The book is now available! 1258723
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate:
+ Prime basenumber p of a palindromic pentagonal of length 13 {p(3p - 1)/2 = 2376574756732}. [De Geest]




Prime Curios! © 1999-2009 (all rights reserved)