The book is now available! 3623
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ This Sophie-Germain prime is the least prime p > 5 such that p times the p-th prime is a palindrome: 3623 * 33827 = 122555221. [Hasler]




Prime Curios! © 2000-2017 (all rights reserved)