25183
This number is a prime.
There are 25183 distinct digit numbers that produce distinct digit numbers when multiplied by 13. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
There are 25183 distinct digit numbers that produce distinct digit numbers when multiplied by 13. [Gaydos]