239
This number is a prime.
Single Curio View: (Seek other curios for this number)
Arctan(1/239) in degrees begins 0.239..., and this is the
only positive integer for which this is true. [Wu and
Caldwell]
Submitted: 2009-02-21 19:41:02; Last Modified: 2009-02-21 19:43:11.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell