8821

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The smallest prime such that replacing each digit d with d^3 yields a perfect square, i.e., 8821 -> 51251281 -> 7159^2. [Bajpai]

Submitted: 2018-07-08 20:41:38;   Last Modified: 2020-06-14 22:56:48.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell