The book is now available! 13
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

The 13th of May 2011 will be a "double Friday the 13th," i.e., the sum of the digits of 5/13/2011 equals 13. The next time this will happen in a prime year is 1/13/2141. [Caldwell]

 

  Submitted: 2006-10-15 12:03:55;   Last Modified: 2008-01-30 11:19:12.



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