The book is now available! 73037
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ The only palindromic prime of form ab0ba for which both ab and ba are prime-digit primes.

+ The smallest prime that can be represented as the sum of a square and its reversal in two different ways. [Gupta]

Prime Curios! © 2000-2018 (all rights reserved)  privacy statement