727
This number is a prime.
Just showing those entries submitted by 'Gupta': (Click here to show all)
The smallest odd prime that can be represented as the sum of a cube and its reversal (512 + 215). [Gupta]
The smallest multidigit palindromic self prime. [Gupta]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell