The book is now available! 21
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

Single Curio View:   (Seek other curios for this number)


Blackjack primes are separated by exactly 21 consecutive composite numbers. Note that the pair {1129, 1151} is the smallest example.


  Submitted: 2000-05-31 22:25:22;   Last Modified: 2008-09-22 21:22:36.

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