This number is a prime.
Single Curio View: (Seek other curios for this number)809 is the start of 21 consecutive primes which alternate between the forms 6n - 1 and 6n + 1. The smallest start of 22 such primes is the much larger 3954889. [Andersen]
Submitted: 2009-08-30 21:12:16; Last Modified: 2009-08-30 21:20:21.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell