8

This number is a composite.

Just showing those entries submitted by 'Bajpai': (Click here to show all)

+ The only known cube that is the sum of the first n odd primes (3+5=8). [Bajpai]

+ The smallest cube k such that 3^k + k and 3^k - k both are prime. [Bajpai]

(There are 2 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