2398
This number is a composite.
Single Curio View: (Seek other curios for this number)
Exactly one-half of the first 2398 numbers generated by the formula n2 + n + 41 are prime. [Burton]
Submitted: 2001-07-10 21:14:34; Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell