The book is now available! 11111...79999 (40-digits)
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
                                 1111111112 2233333333 4445556677 7777779999
+ Least integer that consists of exactly the digits (with multiplicity) of the first 22 primes. Not only is this number prime, but also an emirp. [Chandler]




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