1480028201

This number is a prime.

+ The only emirp term in the first discovered 3-by-3 magic square with consecutive primes by Harry Nelson :

                         __________
      8  1  6            1480028201  1480028129  1480028183

      3  5  7            1480028153  1480028171  1480028189

      4  9  2            1480028159  1480028213  1480028141
Note how the consecutive primes' order compares with the Lo Shu magic square. [Beedassy]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell