199

This number is a prime.

Single Curio View:   (Seek other curios for this number)
1000^199-999^199 is the only non titanic prime of the form p=1000^x-999^x. Note that the component 199 is equal to the smallest emirp of the form q=100^x-99^x. [Loungrides]

Submitted: 2009-12-15 18:58:41;   Last Modified: 2009-12-16 02:26:08.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell