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[ April 18, 2000 ]
Record Palindromic Triangulars
Patrick De Geest

I found (pdg) two new, sitting closely together,
record Palindromic Triangular numbers [138] & [139].
 They are the first ones discovered in this new millennium. 

Basenumber333470345690102634085
Palindromic Triangular55601235727338276212021267283372753210655
 and
Basenumber333741662509416495210
Palindromic Triangular55691748647274629891519892647274684719655

These beautiful palindromes have a staggering length of 41 digits !
See also my Palindromic Triangulars page.


A000038 Prime Curios! Prime Puzzle
Wikipedia 38 Le Nombre 38 Numberland 38

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Patrick De Geest - Belgium - Short Bio - Some Pictures
E-mail address : pdg@worldofnumbers.com