Ongoing project

borderprp.htm Border PRP's around 'Powers of ten'

borderprp(30000-34999).txt Table in text format from 30000 to 34999

borderprp(35000-99999).txt Table in text format from 35000 to 99999

Two PDF files provided by Norman Luhn:

Largest-n-digit-prp.pdf A packed list of all PRP's of the form 10ⁿ – d up to 30000

Smallest-n-digit-prp.pdf A packed list of all PRP's of the form 10ⁿ + d up to 30000

intro.htm Introduction to palindromes

weblinks.htm Some thematic websources

palrecs.htm Various palindromic number records

triangle.htm Palindromic triangulars

beautiful.htm The most beautiful palindromic triangular

alltria.htm Exhaustive list of palindromic triangulars

subtria.htm Subsets of palindromic triangulars

detail_A.htm Details Part A from [1] to [49]

detail_B.htm Details Part B from [50] to [99]

detail_C.htm Details Part C from [100] to [149]

tetra.htm Palindromic tetrahedrals

tedet.htm Details of palindromic tetrahedrals

square.htm Palindromic squares

allsquar.htm Exhaustive list of palindromic squares up to length 31

allsquar2.htm List of palindromic squares from length 32

subsquar.htm Subsets of palindromic squares

sqdet.htm Details of palindromic squares

exosquar.htm Extraordinary squares and powers (non-palindromic allowed)

cube.htm Palindromic cubes

cubdet.htm Details of palindromic cubes

centered.htm [ New ] Centered Palindromic Polygonals

circular.htm Circular primes

palpri.htm Palindromic primes overview

palprim1.htm Palindromic primes page 1

palprim2.htm Palindromic primes page 2

palprim3.htm Palindromic primes page 3

palprim4.htm Palindromic primes page 4

palprim5.htm Palindromic primes page 5

          judpalpri.htm Assignment 2

          assign3.htm Assignment 3

bonham.htm Palprimes where the sum over all digits is a minimum

bonham2.htm Multiple Palprimes "Four in a row"

undulat.htm Smoothly Undulating Palindromic Primes - SUPP's

          suppsorted.htm SUPP's - Sorted By Length

wing.htm Palindromic Wing Primes - PWP's

          pwpsorted.htm PWP's - Sorted By Length

deplat.htm Plateau and Depression Primes - PDP's

          pdpsorted.htm PDP's - Sorted By Length

          facpdp131.htm PDP's - Factorizations of 133...331

          facpdp313.htm PDP's - Factorizations of 311...113

merlon.htm Palindromic Merlon Primes - PMP's

          pmpsorted.htm PMP's - Sorted By Length

consec.htm Palindromic pronic numbers of the form n(n+1)

quapron.htm Palindromic quasipronic numbers of the form n(n+2)

consemor.htm Palindromic quasipronics of the form n(n+X)

squadd1.htm Palindromic incremented squares of the form n^2+1

squaddn.htm Palindromic incremented squares of the form n^2+X

squdecn.htm [ Updating ] Palindromic decremented squares of the form n^2–X

quasisq.htm Palindromic quasi_over_squares of the form n^2+(n+1)

          quadet.htm The details

quasimor.htm [ Updating ] Palindromic quasi_over_squares of the form n^2+(n+X)

sumsquare.htm Palindromic sums of squares of consecutive integers

pocosupa.htm Powers of Consecutives Summing to Palindromes

sumcube.htm Palindromic sums of cubes of consecutive integers

sumprime.htm Palindromic sums of powers of consecutive primes

sumpower.htm Palindromic quasi_under_squares of the form n+(n+1)^2

varipal.htm Various palindromic sumpatterns

firstpal.htm Sum of first n 'type of numbers' is palindromic

sequenc.htm More palindromic products of integer sequences

reversal.htm Palindromic products of nonpalindromic integers and their reversals

pythago.htm Palindromic Pythagorean triples

nobase10.htm Palindromic numbers beyond base 10

palconca.htm Palindromic subsets of concatenated sequences

ninedigits.htm The nine digits most recent page

ninedig5.htm The nine digits page 5

ninedig4.htm The nine digits page 4

ninedig3.htm The nine digits page 3

ninedig2.htm The nine digits page 2

ninedig1.htm The nine digits page 1

abreu.htm John Abreu's palindrome puzzle (wonplate 49)

twonine.htm Palindromic products of two ninedigital numbers

twopan.htm Palindromic products of two pandigital numbers

propan3.txt List of palindromes as products of two pandiagonals

penta.htm Palindromic pentagonals

pendet.htm Factorization of the palindromic pentagonals

hexa.htm Palindromic hexagonals

hexdet.htm Factorization of the palindromic hexagonals

hepta.htm Palindromic heptagonals

hepdet.htm Factorization of the palindromic heptagonals

octa.htm Palindromic octagonals

ocdet.htm Factorization of the palindromic octagonals

nona.htm Palindromic nonagonals

nondet.htm Factorization of the palindromic nonagonals

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Prime factors of ...

topic1.htm Home Primes -

Repeated factorisation of concatenated prime factors of the composites

factorlist.htm [ Updated ] the concatenated numbers from Sm1 up to Sm200

revfact.htm the reversed concatenated numbers from Rsm1 up to Rsm200

repunits.htm the repunits from R1 up to R100

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year2002.htm Facts and figures about 2002 the last palindromic year

yearmmii.htm Facts and figures about 2002 continued...

truncat.htm List of the 4260 left-truncatable primes

threedigits.htm Squares containing at most three distinct digits

crump.htm Finding Tridigital Squares using the 'Quadratic Residues' technique

samedigits.htm Numbers whose digits occur with same frequency + Classific. P2

class_P3.htm Classification P3

class_P4.htm Classification P4

class_P5.htm Classification P5

trisopf.htm Sets of 3 composites in bidirectional SOPF progression/retrogression

pictures.htm Some (not so) recent photographs of the editor of this website

mpjscalc.htm Multiple precision JavaScript calculator

isolatin.htm Iso Latin I character set

colors.htm All the 140 colourful exotic color names

whatsnew.htm What was new in my website ?

arch_new_2002.htm Whatsnew? archive of 2002

arch_new_2001.htm Whatsnew? archive of 2001

arch_new_2000.htm Whatsnew? archive of 2000

brierproject.htm The Prime Brier Brothers Project

search.htm Pop Up from this 'homepage'

bennett.htm Pop Up from 'square.htm' & WONplate 74

dna.htm Pop Up from WONplate 17

huen.htm Pop Up from WONplate 17

sedo.htm Pop Up from WONplate 16

wilson.htm Pop Up from 'square.htm'

borderprp.htm Border PRP's around 'Powers of ten'

borderprp(00000-04999).txt Table in text format from 00000 to 04999 ( complete )

borderprp(05000-09999).txt Table in text format from 05000 to 09999 ( complete )

borderprp(10000-14999).txt Table in text format from 10000 to 14999 ( complete )

borderprp(15000-19999).txt Table in text format from 15000 to 19999 ( complete )

borderprp(20000-24999).txt Table in text format from 20000 to 24999 ( complete )

borderprp(25000-29999).txt Table in text format from 25000 to 29999 ( complete )

Largest-n-digit-prp.pdf A packed list of all PRP's of the form 10^n – d up to 30000

Smallest-n-digit-prp.pdf A packed list of all PRP's of the form 10^n + d up to 30000

borderprp(30000-34999).txt Table in text format from 30000 to 34999

borderprp(35000-99999).txt Table in text format from 35000 to 99999

megaprp.htm Search for the first PRP megaprime of the form 10⁹⁹⁹⁹⁹⁹ + y.

outputdata1.htm Output data of 10^999999 + y (y < 500000 )

doublecheck.htm Doublechecking PRP candidates

palsumpow.htm Worksheet - Palindromic Sums of Powers

seq197.htm Worksheet - Sequence from Wonplate 197

appending 1s to n.txt Worksheet from Wonplate 197