The book is now available! 19991
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

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


The larger of the only two five-digit palindromic primes formed from two primes (19 and 991), one of which is the sum of the digits of the other. [Silva]


  Submitted: 2008-10-06 14:31:08;   Last Modified: 2008-10-06 14:35:26.

Prime Curios! © 2000-2018 (all rights reserved)