47
This number is a prime.
Single Curio View: (Seek other curios for this number)
47 squares are each adjacent to at least one distinct digit
prime number. [Gaydos]
Submitted: 2020-04-05 13:14:16; Last Modified: 2020-04-05 14:02:02.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell