1111111111111111417
This number is a prime.
111111111 1111111417
The smallest prime whose sum and product of digits are the same perfect number, (i.e., 28). [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
111111111 1111111417
The smallest prime whose sum and product of digits are the same perfect number, (i.e., 28). [Loungrides]