Legend
F_ba Decomposition of the basenumber in its prime factors.
Date Date of discovery by the author.
Hypertext links to related topics in number theory
Comm Comments about the palindromic square number.
Factorization
[p7]
F_ba 31346828297209660045268842120992233 =
11 * 26317 * 35869 * 3018875969268280256297011
Date July 5, 2024 (Patrick De Geest / CUDA program by Robert Xiao)
[p6]
F_ba 25980813040115834424688125458775024 =
2 * 2 * 2 * 2 * 3 * 3 * 281 * 1813592171033 * 354033446837470327
Date August 4, 2024 (Patrick De Geest / CUDA program by Robert Xiao)
[p5]
F_ba 25584361094815754876257141366406384 =
2 * 2 * 2 * 2 * 1599022568425984679766071335400399
Date August 24, 2024 (Patrick De Geest / CUDA program by Robert Xiao)
[p4]
F_ba 21471116183870468837446052903107642 =
2 * 26756311 * 401234613095027727055610411
Date June 2, 2024 (Patrick De Geest / CUDA program by Robert Xiao)
[p1]
F_ba 13000968314105181659031023223039969 =
3 * 29556719748977 * 146621686760477579899
Date August 4, 2025 (Patrick De Geest / CUDA program by Robert Xiao)
[8730]
F_ba 7256171055736382499839982033184475 =
5 * 5 * 7 * 11 * 97 * 137 * 6131 * 34171 * 1353927696171894343
Date April 14, 2025 (Patrick De Geest / CUDA program by Robert Xiao)
[8729]
F_ba 3109885844380152888763910885950363 =
61 * 7976141 * 6391779577840085597340563
Date October 18, 2023 (Patrick De Geest / CUDA program by Robert Xiao)
[8728]
F_ba 2602189663685835935193356696699424 =
2 * 2 * 2 * 2 * 2 * 3 * 53 * 103 * 9456007223567 * 525105811529623
Date October 24, 2023 (Patrick De Geest / CUDA program by Robert Xiao)
[8727]
F_ba 2199198533628007527429007800357372 =
2 * 2 * 3 * 3 * 8147 * 54277 * 22157323 * 6234923025315371
Date October 9, 2023 (Patrick De Geest / CUDA program by Robert Xiao)
[8028]
F_ba 982503990036767976718486749830913 =
3 * 11 * 13 * 17 * 23 * 127 * 211 * 16963 * 217537351 * 59234891747
Date July 7, 2023 (Patrick De Geest / CUDA program by Robert Xiao)
[8027]
F_ba 633801296960665546843096376103848 =
2 * 2 * 2 * 7 * 11 * 1789 * 1558563649187 * 369009483805471
Date August 21, 2023 (Patrick De Geest / CUDA program by Robert Xiao)
[8026]
F_ba 247310769186488306440493305677954 =
2 * 3 * 3 * 83 * 443 * 994135477 * 375874732525672981
Date June 19, 2023 (Robert Xiao using his CUDApalin program)
[8025]
F_ba 228562535427841869726146472478815 =
3 * 5 * 71 * 130027 * 1650524193605306963701013
Date June 11, 2023 (David Griffeath / CUDA program by Robert Xiao)
[8022]
F_ba 121835770286544029000701461776971 =
11570914249 * 10529485195785070673779
Date May 12, 2023 (David Griffeath / CUDA program by Robert Xiao)
[6827]
F_ba 30698192507926605052067894676193 =
7 * 95119049 * 104284949563 * 442105207277
Date January 2, 2023 (David Griffeath / CUDA program by Robert Xiao)
[6249]
F_ba 3144120818001204461096631877167 =
3 * 7 * 23 * 4344253 * 51565883 * 29058589295851
Date December 1, 2022 (David Griffeath / CUDA program by Robert Xiao)
[6248]
F_ba 2633464189244332332100361401586 =
2 * 43 * 43 * 12613 * 16836257 * 3353486543580077
Date November 30, 2022 (David Griffeath / CUDA program by Robert Xiao)
[6247]
F_ba 2522532318987074601528732897806 =
2 * 479 * 1669 * 63367 * 119291 * 208710388983049
Date November 30, 2022 (David Griffeath / CUDA program by Robert Xiao)
[6244]
F_ba 1350015677155028833305775848341 =
11 * 122728697923184439391434168031
Date November 24, 2022 (Robert Xiao / David Griffeath)
[6243]
F_ba 1193375854875511918605120376079 =
625454927 * 1908012557514815002177
Date December 4, 2022 (David Griffeath / CUDA program by Robert Xiao)
[6242]
F_ba 1187054882257789974300764887929 =
3 * 11 * 41 * 911 * 963062838168131455894463
Date December 4, 2022 (David Griffeath / CUDA program by Robert Xiao)
[5268]
F_ba 725657034735673961274833643725 =
5 * 5 * 11 * 10477 * 12791 * 10976327 * 1793908287931
Date November 21, 2022 (Robert Xiao / David Griffeath)
[5267]
F_ba 228106257936763286220319446695 =
5 * 43 * 29759 * 140381 * 2010413 * 126324268199
Date November 21, 2022 (Robert Xiao / David Griffeath)
[5265]
F_ba 130303161860097498924329036469 =
3 * 3 * 3 * 11 * 2701571179 * 162398528724507463
Date November 20, 2022 (David Griffeath / CUDA program by Robert Xiao)
[5172]
F_ba 102956548239095784750974549051 =
Prime!
Date November 19, 2022 (David Griffeath / CUDA program by Robert Xiao)
[4793]
F_ba 69697645997692395446140967172 =
2 * 2 * 3 * 3 * 11 * 19 * 4591 * 2017725258341025134183
Date November 19, 2022 (Robert Xiao)
[4790]
F_ba 13023229862595863669058813031 =
41 * 317639752746240577294117391
Date November 18, 2022 (David Griffeath / CUDA program by Robert Xiao)
[4789]
F_ba 11219988402958206841478502211 =
6421 * 1747389565948949827359991
Date November 18, 2022 (David Griffeath / CUDA program by Robert Xiao)
[3994]
F_ba 2589537706161357166603750274 =
2 * 11 * 19 * 59 * 105001123435299536396227
Date November 13, 2022 (Robert Xiao)
[3992]
F_ba 1373512530649258635292477609 =
31 * 548501 * 80778076662386102939
Date January 21, 2008 (Feng Yuan)
[3991]
F_ba 1208997217707381836451672371 =
9091 * 436979 * 304335824065164139
Date January 27, 2008 (Feng Yuan)
[3978]
F_ba 1103866360472916946437760989 =
3 * 3 * 17 * 78901 * 91441335516007107313
Date January 27, 2008 (Feng Yuan)
[3611]
F_ba 307319174379604964632119143 =
23 * 23 * 97 * 5989109472835440621911
Date November 13, 2022 (Robert Xiao)
[3610]
F_ba 259534999916657357224172376 =
2 * 2 * 2 * 3 * 113 * 2927 * 3041 * 35171 * 305690814509
Date November 13, 2022 (Robert Xiao)
[3609]
F_ba 219293240651172832756867922 =
2 * 9941 * 11029737483712545657221
Date January 21, 2008 (Feng Yuan)
[3606]
F_ba 122063831551139898460740721 =
7 * 1345027 * 12964565188350430189
Date January 15, 2008 (Feng Yuan)
[3605]
F_ba 121096650591136334960853879 =
3 * 1061 * 370471 * 102693102555499103
Date January 19, 2008 (Feng Yuan)
[3584]
F_ba 111000000000091000000000111 =
Prime!
Date November 13, 2022 (Robert Xiao)
[3503]
F_ba 110000010000091000010000011 =
71329 * 1542149896957632940459
Date November 13, 2022 (Robert Xiao)
[3470]
F_ba 110000000000091000000000011 =
53 * 9192607 * 225776180588915041
Date November 13, 2022 (Robert Xiao)
[3432]
F_ba 101010000000990100000010101 =
17 * 5941764705940594117647653
Date November 13, 2022 (Robert Xiao)
[3359]
F_ba 101000000001091100000000101 =
461 * 3299 * 66410711456696665459
Date November 13, 2022 (Robert Xiao)
[3356]
F_ba 101000000000990100000000101 =
7 * 13 * 293 * 682049 * 5553883742816723
Date November 13, 2022 (Robert Xiao)
[3308]
F_ba 100100100009990010001001001 =
9901 * 2540231 * 3979992367193771
Date November 13, 2022 (Robert Xiao)
[3285]
F_ba 100100001009990010100001001 =
9901 * 86860897 * 116394031619533
Date November 13, 2022 (Robert Xiao)
[3264]
F_ba 100100000009990010000001001 =
Prime!
Date November 13, 2022 (Robert Xiao)
[3210]
F_ba 100010001099990001100010001 =
5325559 * 12072469 * 1555543400731
Date November 13, 2022 (Robert Xiao)
[3197]
F_ba 100010000100990101000010001 =
571 * 170227 * 1028913520317575953
Date November 13, 2022 (Robert Xiao)
[3192]
F_ba 100010000099990001000010001 =
261971 * 381759813490768065931
Date November 13, 2022 (Robert Xiao)
[3148]
F_ba 100001001099990001100100001 =
499 * 1367 * 22447 * 32220109 * 202698239
Date November 13, 2022 (Robert Xiao)
[3145]
F_ba 100001001009990010100100001 =
619 * 4007 * 40317570668934376997
Date November 13, 2022 (Robert Xiao)
[3138]
F_ba 100001000999990000100100001 =
7 * 13 * 19 * 57837478889525737478369
Date November 13, 2022 (Robert Xiao)
[3108]
F_ba 100000110009990010011000001 =
5217809 * 301825631 * 63497435119
Date November 13, 2022 (Robert Xiao)
[3103]
F_ba 100000110000091000011000001 =
Prime!
Date November 13, 2022 (Robert Xiao)
[3100]
F_ba 100000109999990000011000001 =
Prime!
Date November 13, 2022 (Robert Xiao)
[2975]
F_ba 64897400105515621177314682 =
2 * 11 * 11 * 53 * 173 * 29247581504654842709
Date May 20, 2001 (Pete Leadbetter)
[2974]
F_ba 22859776159292529974209485 =
3 * 5 * 13 * 29921 * 75193211 * 52105387133
Date November 12, 2022 (Robert Xiao)
[2673]
F_ba 4275548277509699161443659 =
11 * 14591 * 26638764104333924159
Date January 8, 2008 (Feng Yuan)
[2672]
F_ba 2198834453254769178871872 =
2 * 2 * 2 * 2 * 2 * 2 * 3 * 19 * 602750672493083656489
Date January 2, 2008 (Feng Yuan)
[2671]
F_ba 2107561207005423534632462 =
2 * 13 * 81060046423285520562787
Date January 2, 2008 (Feng Yuan)
[2650]
F_ba 1110000000009100000000111 =
24514421 * 45279470398631891
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2589]
F_ba 1100001000009100001000011 =
19 * 613 * 169545697 * 557047503829
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2556]
F_ba 1100000000009100000000011 =
39439 * 27891173711531732549
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2522]
F_ba 1010100000099010000010101 =
2721632611 * 371137528267591
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2495]
F_ba 1010001000099010001000101 =
739 * 2178191 * 627453297704249
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2484]
F_ba 1010000100099010010000101 =
7 * 13 * 13 * 29 * 29440058882997930743
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2463]
F_ba 1010000000109110000000101 =
7 * 7 * 13 * 5573 * 425393 * 668809693957
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2460]
F_ba 1010000000099010000000101 =
Prime!
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2418]
F_ba 1001001000999001001001001 =
53 * 30757 * 614065459557297281
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2387]
F_ba 1001000000999001000001001 =
1697 * 589864467294638185033
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2359]
F_ba 1000101009999000101010001 =
7159 * 27109 * 3264161 * 1578724811
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2336]
F_ba 1000100010099010100010001 =
9901 * 101010000010000010101
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2331]
F_ba 1000100009999000100010001 =
23 * 59 * 3331 * 221252889550098503
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2313]
F_ba 1000011099999000011100001 =
31 * 1301 * 1245169 * 19913038361459
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2296]
F_ba 1000010100099010010100001 =
71 * 2297 * 6131758509869027023
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2291]
F_ba 1000010099999000010100001 =
197 * 2423 * 2095003467193624571
Date November 1, 2022 (David Griffeath / Rust program by Robert Xiao)
[2176]
F_ba 831775153121251039203514 =
2 * 11 * 37807961505511410872887
Date January 13, 1998 (Mike Bennett)
[2175]
F_ba 722956456358957313434535 =
3 * 5 * 11 * 241 * 2753 * 695581 * 9494174983
Date May 14, 2002 (Hidenori Takahashi)
[2173]
F_ba 136569391518194940977041 =
16411 * 145759 * 431659 * 132264151
Date January 1, 2008 (Feng Yuan)
[1940]
F_ba 25886574803023261617726 =
2 * 3 * 3 * 3 * 1427 * 1039081 * 323301302087
Date April 19, 2002 (Feng Yuan)
[1939]
F_ba 25145697104636357696394 =
2 * 3 * 4190949517439392949399
Date April 19, 2002 (Feng Yuan)
[1938]
F_ba 20706193716777033766268 =
2 * 2 * 11 * 8681 * 159006247 * 340928771
Date April 19, 2002 (Feng Yuan)
[1935]
F_ba 12093315807217013334121 =
13 * 31 * 43 * 197 * 40327871 * 87841627
Date April 19, 2002 (Feng Yuan)
[1918]
F_ba 11100000000910000000111 =
Prime!
Date April, 2002 (Feng Yuan)
[1865]
F_ba 11000010000910001000011 =
Prime!
Date April, 2002 (Feng Yuan)
[1842]
F_ba 11000000000910000000011 =
7 * 13 * 59 * 2048798659137642019
Date April, 2002 (Feng Yuan)
[1812]
F_ba 10101000009901000010101 =
9901 * 19926917 * 51197080853
Date April, 2002 (Feng Yuan)
[1769]
F_ba 10100000010911000000101 =
Prime!
Date April, 2002 (Feng Yuan)
[1766]
F_ba 10100000009901000000101 =
Prime!
Date April, 2002 (Feng Yuan)
[1730]
F_ba 10010010099900101001001 =
97 * 1601 * 12433 * 24049 * 215575049
Date April, 2002 (Feng Yuan)
[1721]
F_ba 10010001099900110001001 =
32325907 * 309658785441043
Date April, 2002 (Feng Yuan)
[1708]
F_ba 10010000099900100001001 =
277 * 1499 * 71633 * 336542208239
Date April, 2002 (Feng Yuan)
[1674]
F_ba 10001001099900110010001 =
1092397 * 9155097551439733
Date April, 2002 (Feng Yuan)
[1671]
F_ba 10001001009901010010001 =
Prime!
Date April, 2002 (Feng Yuan)
[1666]
F_ba 10001000999900010010001 =
7 * 13 * 79 * 577 * 2266183 * 1063908299
Date April, 2002 (Feng Yuan)
[1646]
F_ba 10000110099900101100001 =
617 * 8111 * 98737 * 20237892679
Date April, 2002 (Feng Yuan)
[1641]
F_ba 10000110000910001100001 =
263 * 2011 * 18907624039096757
Date April, 2002 (Feng Yuan)
[1638]
F_ba 10000109999900001100001 =
83 * 193 * 421 * 1399 * 352771 * 3004531
Date April, 2002 (Feng Yuan)
[1556]
F_ba 3823177109095314778621 =
11 * 167 * 174392527 * 11934037279
Date June 27, 1997 (Pete Leadbetter)
[1555]
F_ba 3036233455854775865623 =
11 * 191 * 80621 * 17925072804263
Date March 31, 2002 (Feng Yuan)
[1554]
F_ba 2211007906320264673878 =
2 * 3 * 402012869 * 916640600677
Date March 31, 2002 (Feng Yuan)
[1553]
F_ba 2016192509426760663598 =
2 * 41 * 101 * 103 * 2363521438969013
Date March 31, 2002 (Feng Yuan)
[1551]
F_ba 1121621184033823231539 =
3 * 11 * 37 * 719 * 1277619844690361
Date March 30, 2002 (Feng Yuan)
[1374]
F_ba 637323988797048057098 =
2 * 11 * 23 * 73 * 127 * 137 * 359 * 587 * 1621 * 2903
Date December 5, 1997 (Mike Bennett)
[1373]
F_ba 263397138410176890086 =
2 * 11 * 941 * 1865411 * 6820625663
Date March 30, 2002 (Feng Yuan)
[1372]
F_ba 260088804053044407026 =
2 * 131 * 18713 * 53048969111371
Date March 30, 2002 (Feng Yuan)
[1371]
F_ba 229359782235085482225 =
3 * 5 * 5 * 7 * 31 * 11173 * 1261323454543
Date March 30, 2002 (Feng Yuan)
[1368]
F_ba 128501150236577373669 =
3 * 23 * 6653 * 279924171152117
Date March 30, 2002 (Feng Yuan)
[1353]
F_ba 111000000091000000111 =
503 * 2417 * 3423311 * 26670551
Date April, 2002 (Feng Yuan)
[1316]
F_ba 110001000091000100011 =
9901 * 11110089899101111
Date April, 2002 (Feng Yuan)
[1293]
F_ba 110000000091000000011 =
46567 * 18739103 * 126056611
Date April, 2002 (Feng Yuan)
[1267]
F_ba 101010000990100010101 =
Prime!
Date April, 2002 (Feng Yuan)
[1256]
F_ba 101001000990100100101 =
19 * 89 * 7621 * 7837365643091
Date April, 2002 (Feng Yuan)
[1247]
F_ba 101000100990101000101 =
453299023 * 222811203787
Date April, 2002 (Feng Yuan)
[1234]
F_ba 101000001091100000101 =
Prime!
Date April, 2002 (Feng Yuan)
[1231]
F_ba 101000000990100000101 =
163 * 9901 * 62582760116627
Date April, 2002 (Feng Yuan)
[1209]
F_ba 100101009990010101001 =
23 * 101929 * 42698523733703
Date April, 2002 (Feng Yuan)
[1200]
F_ba 100100109990011001001 =
709 * 141184922411863189
Date April, 2002 (Feng Yuan)
[1187]
F_ba 100100009990010001001 =
1283 * 128521 * 607062447307
Date April, 2002 (Feng Yuan)
[1175]
F_ba 100011099990001110001 =
7 * 13 * 9649 * 113900204872339
Date April, 2002 (Feng Yuan)
[1164]
F_ba 100010109990011010001 =
Prime!
Date April, 2002 (Feng Yuan)
[1161]
F_ba 100010100990101010001 =
12071 * 82859831 * 99990001
Date April, 2002 (Feng Yuan)
[1156]
F_ba 100010099990001010001 =
3766409 * 26553170404489
Date April, 2002 (Feng Yuan)
[1082]
F_ba 25686162978506292366 =
2 * 3 * 3 * 13 * 19 * 67 * 5101 * 10067 * 1679189
Date February 2, 1998 (Mike Bennett)
[950]
F_ba 2282211769458230805 =
3 * 5 * 13 * 11868481 * 986111879
Date February 14, 2001 (William Rex Marshall)
[947]
F_ba 1363859210193543291 =
3 * 257 * 1768948391950121
Date February 9, 1998 (Mike Bennett)
[934]
F_ba 1110000009100000111 =
Prime!
Date April, 2002 (Feng Yuan)
[903]
F_ba 1100010009100100011 =
19 * 23 * 43 * 58539194779421
Date April, 2002 (Feng Yuan)
[888]
F_ba 1100000009100000011 =
2878391 * 382157951821
Date April, 2002 (Feng Yuan)
[866]
F_ba 1010100099010010101 =
Prime!
Date April, 2002 (Feng Yuan)
[845]
F_ba 1010000109110000101 =
17 * 257 * 9901 * 14461 * 1614589
Date April, 2002 (Feng Yuan)
[842]
F_ba 1010000099010000101 =
79 * 5417 * 221077 * 10675591
Date April, 2002 (Feng Yuan)
[812]
F_ba 1001000999001001001 =
151 * 23293 * 284598192107
Date April, 2002 (Feng Yuan)
[798]
F_ba 1000110099010110001 =
209687 * 4769537925623
Date April, 2002 (Feng Yuan)
[795]
F_ba 1000110009100110001 =
114761 * 8714720236841
Date April, 2002 (Feng Yuan)
[792]
F_ba 1000109999000110001 =
67 * 14927014910449403
Date April, 2002 (Feng Yuan)
[741]
F_ba 795559265009384106 =
2 * 3 * 7 * 11 * 17 * 101 * 3511 * 285646849
Date April 29, 1997 (Graham Lyons)
[740]
F_ba 633856150760638652 =
2 * 2 * 7 * 11 * 31 * 167 * 641 * 620160067
Date November 29, 1997 (Mike Bennett)
[739]
F_ba 404099764753665981 =
3 * 7 * 11 * 13 * 331 * 406541861717
Date February 14, 2001 (William Rex Marshall)
[738]
F_ba 306950094269977057 =
4713493 * 65121576349
Date January 5, 1997 (Patrick De Geest)
[737]
F_ba 228138929476341405 =
3 * 5 * 3067 * 5407 * 917144983
Date February 14, 2001 (William Rex Marshall)
[736]
F_ba 207254460945174618 =
2 * 3 * 4327 * 7982992872089
Date January 27, 1998 (Mike Bennett)
[734]
F_ba 135772344267730059 =
3 * 101 * 157 * 36083 * 79098163
Date December 28, 1996
[640]
F_ba 40447213778058769 =
11 * 33658081 * 109246259
Date December 7, 1996
[637]
F_ba 13661181333262459 =
Prime!
Date November 25, 1996
[636]
F_ba 13593470459544309 =
3 * 4531156819848103
Date November 26, 1996
[635]
F_ba 12797593520483481 =
3 * 31 * 37 * 223 * 16677800567
Date November 28, 1996
[634]
F_ba 11863792420598929 =
419 * 15439 * 1833962069
Date November 29, 1996
[633]
F_ba 11843191515764821 =
37 * 12329 * 25962061577
Date November 29, 1996
[622]
F_ba 11100000910000111 =
3079 * 3605066875609
Date December 18, 1996
[603]
F_ba 11001000910010011 =
Prime!
Date December 18, 1996
[588]
F_ba 11000000910000011 =
7 * 13 * 4813 * 26237 * 957241
Date December 18, 1996
[570]
F_ba 10101009901010101 =
59 * 157 * 21803 * 50014609
Date December 17, 1996
[563]
F_ba 10100109901100101 =
109 * 163 * 1097 * 17029 * 30431
Date December 17, 1996
[556]
F_ba 10100010911000101 =
7 * 13 * 141811 * 782655301
Date December 17, 1996
[553]
F_ba 10100009901000101 =
26153 * 386189343517
Date December 17, 1996
[545]
F_ba 10011099900111001 =
163 * 3137 * 19578511571
Date December 17, 1996
[536]
F_ba 10010109901101001 =
23 * 433 * 1005132031439
Date December 17, 1996
[531]
F_ba 10010099900101001 =
389 * 25732904627509
Date December 17, 1996
[486]
F_ba 6819209882215742 =
2 * 11 * 109 * 2843707206929
Date April 29, 1997 (Graham Lyons)
[485]
F_ba 3138199296186067 =
19 * 165168384009793
Date November 13, 1996
[484]
F_ba 3107974295870663 =
197 * 15776519268379
Date November 13, 1996
[483]
F_ba 3066446727654243 =
3 * 17 * 41 * 1466497717673
Date November 12, 1996
[482]
F_ba 2564053868197734 =
2 * 3 * 11 * 38849301033299
Date February 28, 1997
[481]
F_ba 2201019508986478 =
2 * 17 * 15461 * 4187042747
Date February 23, 1997
[415]
F_ba 314155324482867 =
3 * 3 * 7 * 23 * 41 * 47 * 1993 * 56453
Date November 8, 1996
[414]
F_ba 210786628549538 =
2 * 313 * 336719853913
Date November 25, 1996
[411]
F_ba 129610990752569 =
23 * 96181 * 58590163
Date November 5, 1996
[402]
F_ba 111000091000111 =
367 * 302452564033
[387]
F_ba 110010091010011 =
59 * 1864577813729
[378]
F_ba 110000091000011 =
Prime!
[364]
F_ba 101010990110101 =
17 * 179 * 117539 * 282413
[357]
F_ba 101001091100101 =
157 * 31481 * 20435153
[354]
F_ba 101000990100101 =
7 * 13 * 2741 * 404925571
[346]
F_ba 100110990111001 =
Prime!
[343]
F_ba 100110091011001 =
53 * 733 * 29483 * 87403
[340]
F_ba 100109990011001 =
29 * 96401 * 35809469
[310]
F_ba 98275825201587 =
3 * 11 * 17 * 17 * 10304689651
Date Octobre 10, 1996
[309]
F_ba 69800670077028 =
2 * 2 * 3 * 11 * 528792955129
Date Octobre, 1996
[308]
F_ba 30395080190573 =
7 * 22621 * 191952359
Date Octobre 6, 1996
[264]
F_ba 6360832925898 =
2 * 3 * 11 * 96376256453
[263]
F_ba 3069306930693 =
3 * 93257 * 10970783
[262]
F_ba 2634812417864 =
2 * 2 * 2 * 11 * 29 * 1321 * 781567
[261]
F_ba 2149099165358 =
2 * 23 * 101 * 462569773
[258]
F_ba 1349465117841 =
3 * 3 * 53 * 61 * 46378153
[251]
F_ba 1110009100111 =
39047 * 28427513
[244]
F_ba 1101009101011 =
547 * 1663 * 1210351
[235]
F_ba 1100009100011 =
43 * 25581606977
[229]
F_ba 1011099011101 =
Prime!
[222]
F_ba 1010109110101 =
7 * 13 * 24043 * 461677
[219]
F_ba 1010099010101 =
79 * 22901 * 558319
[192]
F_ba 128817084669 =
3 * 7 * 13 * 163 * 2894831
[191]
F_ba 112247658961 =
47 * 241 * 823 * 12041
[190]
F_ba 111283619361 =
3 * 37094539787
[178]
F_ba 101116809851 =
23 * 5407 * 813091
[162]
F_ba 83163115486 =
2 * 11 * 1831 * 2064523
[161]
F_ba 30693069307 =
5303 * 5787869
[160]
F_ba 30101273647 =
67 * 449272741
[159]
F_ba 22865150135 =
5 * 7013 * 652079
[156]
F_ba 13579355059 =
17053 * 796303
[151]
F_ba 11100910111 =
151 * 73515961
[146]
F_ba 11010911011 =
13693 * 804127
[141]
F_ba 11000910011 =
7 * 13 * 311 * 388711
[137]
F_ba 10207355549 =
8609 * 1185661
[134]
F_ba 10110911101 =
61 * 9901 * 16741
[131]
F_ba 10109901101 =
1543 * 1553 * 4219
[130]
F_ba 10106064399 =
3 * 277 * 12161329
[113]
F_ba 2481623254 =
2 * 11 * 4007 * 28151
[112]
F_ba 2062386218 =
2 * 23 * 73 * 137 * 4483
[95]
F_ba 306930693 =
3 * 19 * 29 * 185681
[90]
F_ba 111091111 =
Prime!
[85]
F_ba 110091011 =
263 * 418597
[70]
F_ba 64030648 =
2 * 2 * 2 * 11 * 727621
[69]
F_ba 30001253 =
Prime!
[67]
F_ba 12866669 =
61 * 210929
[66]
F_ba 12028229 =
197 * 61057
[65]
F_ba 11129361 =
3 * 73 * 89 * 571
[56]
F_ba 3069307 =
601 * 5107
[55]
F_ba 2294675 =
5 * 5 * 263 * 349
[54]
F_ba 2012748 =
2 * 2 * 3 * 167729
[51]
F_ba 1270869 =
3 * 17 * 24919
[48]
F_ba 1109111 =
509 * 2179
[44]
F_ba 1042151 =
11 * 17 * 5573
[37]
F_ba 798644 =
2 * 2 * 7 * 11 * 2593
[31]
F_ba 30693 =
3 * 13 * 787
[30]
F_ba 24846 =
2 * 3 * 41 * 101
[29]
F_ba 22865 =
5 * 17 * 269
[20]
F_ba 2636 =
2 * 2 * 659
[19]
F_ba 2285 =
5 * 457
[15]
F_ba 836 =
2 * 2 * 11 * 19
[14]
F_ba 307 =
Prime!
[13]
F_ba 264 =
2 * 2 * 2 * 3 * 11
[7]
F_ba 26 =
2 * 13
[
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( © All rights reserved ) - Last modified : August 5, 2025.
Patrick De Geest - Belgium 
- Short Bio - Some Pictures
E-mail address : pdg@worldofnumbers.com
Details of Palindromic Squares
All Squares up to length 31 
