The book is now available! 9871
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ The largest 4-digit prime with 4 distinct digits. Curiously, it is also an emirp whose sum of digits is the square of a prime. [Post]

+ The first case of two consecutive balanced primes that are both distinct-digit primes and emirps. [Loungrides]

+ The largest 4-digit distinct-digit emirp abcd such that abbcccdddd is also emirp, i.e., 9887771111. [Loungrides]




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