2401

This number is a composite.

Single Curio View:   (Seek other curios for this number)
Smallest fourth power that becomes prime when its most significant (or left-most) digit is deleted. The next is 279841. [Post]

Submitted: 2013-05-26 12:26:33;   Last Modified: 2013-05-26 13:23:14.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell