The book is now available! 7649689
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

7649689 is the lesser of the only pair of seven-digit cousin (i.e., with a difference of 4) emirps with left-truncatable reversals. [Opao]

 

  Submitted: 2003-11-18 20:33:21;   Last Modified: 2008-12-06 17:10:54.



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