The book is now available! 19
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

The only two-digit prime n such that n!/reversal(n)+1 and n!/reversal(n)-1 are both prime. [Patterson]

 

  Submitted: 2005-10-11 09:02:41;   Last Modified: 2008-01-30 11:28:00.



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