69696
This number is a composite.
The only known palindromic square which is the sum of a twin prime pair: 69696 = 2642 = {34847 + 34849}. [Honaker]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
The only known palindromic square which is the sum of a twin prime pair: 69696 = 2642 = {34847 + 34849}. [Honaker]