111191111

This number is a prime.

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

                              31111911113
                             3311119111133
                            333111191111333
                             9911119111199
                              91111911119

Each of the above five palindromic numbers is prime. 111191111 is the smallest palindromic prime with this property. [Firoozbakht]

Submitted: 2009-05-07 11:06:10; Last Modified: 2009-05-09 01:55:28.