The book is now available! 6771737983
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ A prime formed from five concatenated consecutive primes in ascending order. Another prime is formed if the same five primes are arranged in descending order, i.e., 8379737167. [Blanchette]




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