512
This number is a composite.
Single Curio View: (Seek other curios for this number)
512 is the smallest (and only known) cube such that 512*2^512-1 is prime. [Gupta]
Submitted: 2003-02-09 05:57:16; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell