13309
This number is a prime.
Single Curio View: (Seek other curios for this number)
The only known prime p such that the palindromic number
1p9(1)p is a probable prime. [Firoozbakht]
Submitted: 2009-05-07 00:14:29; Last Modified: 2009-05-07 01:42:53.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell