11
This number is a prime.
Single Curio View: (Seek other curios for this number)
The largest prime number that cannot be written as the sum
of four hexagonal numbers. Note that it is the only prime
number that cannot be represented using five hexagonal
numbers. [Capelle]
Submitted: 2009-08-18 10:15:15; Last Modified: 2009-08-18 11:55:17.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell