12343
This number is a prime.
Just showing those entries submitted by 'Leonardis': (Click here to show all)
123⁴+3 = 228886644 is a number containing the even digits with repetitions. The sequence of digits 12343 in the first member of the equality forms a prime number. [Leonardis]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell