99999199999
This number is a prime.
9 9999199999
The largest palindromic prime less than a googol that has palindromic prime length. [Patterson]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
9 9999199999
The largest palindromic prime less than a googol that has palindromic prime length. [Patterson]