The book is now available! 727
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

727 starts the first chain of four palindromic primes, each formed from the previous one in forward and reverse order: 727, 72727, 727272727, 72727272727272727. [Silva]

 

  Submitted: 2009-09-27 07:53:01;   Last Modified: 2009-09-27 09:26:59.



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