32

This number is a composite.

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

+ The smallest number n such that all the positive values of n-3^k are all primes, (i.e., k=0, 1, 2, 3). [Loungrides]

+ The number of primes consisting of all distinct odd digits only. Note that a dozen of them (six pairs) are emirps. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell