The book is now available! 12233...33221 (25-digits)
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
                                                 12233 3444455555 4444333221
Single Curio View:   (Seek other curios for this number)

 

This palindromic prime of 5-by-5 digits consists of five 5's, surrounded on each side by four 4's, three 3's, two 2's and one 1. (The only other similar prime is 122333221.) [Hasler]

 

  Submitted: 2009-02-04 18:55:41;   Last Modified: 2009-02-05 07:56:35.



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