Migration complete - please let us know if anything isn't working.
This number is a prime.
Just showing those entries submitted by 'Gaydos': (Click here to show all)
257^100 is the smallest 100th power whose reversal is prime. [Gaydos]
The 257th, 258th, and 259th centuries are the smallest three consecutive centuries to have no years that are powers of other numbers, i.e., no squares, cubes, 4th powers, etc. [Gaydos]
1068349 is the smallest positive integer that together with its smallest prime factor (257) is pandigital. [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