This number is a composite.

+ The sums of the powers zero through six respectively of the digits of 322 are all primes. [Goins]

+ 322 * 3^2^2 + 1 is prime. [Kelishadi]

(There are 3 curios for this number that have not yet been approved by an editor.)

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell