409
This number is a prime.
Single Curio View: (Seek other curios for this number)
The smallest prime number that becomes a pandigital prime
number (2561387420489) when each of its digits d is
replaced by d^d. [Gaydos]
Submitted: 2016-06-29 13:57:21; Last Modified: 2020-07-28 03:18:12.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell