191

This number is a prime.

Single Curio View:   (Seek other curios for this number)
When the palindromic prime 191 is doubled and one is added to this result, the resulting number is yet another palindromic prime. [Dobb]

Submitted: 2003-12-28 10:35:17;   Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell