This number is a prime.

+ The smallest 4-digit prime whose the 4th power begins with four identical digits, i.e., 4273^4=333373881243841. Note that R(4273^4) is prime. [Loungrides]

+ The first of eleven consecutive primes that are all Yarborough primes. [Gaydos]

(There is one curio for this number that has not yet been approved by an editor.)

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell