212345678987654321
This number is a prime.
21234567 8987654321
The first prime number ending with all the ciphers (1 to 9
to 1) in palindromic order. [Xordan]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
21234567 8987654321
The first prime number ending with all the ciphers (1 to 9
to 1) in palindromic order. [Xordan]