3262811042
This number is a composite.
3262811042 = 74 + 2394 = 1574 + 2274 is the smallest number that can be expressed as the sum of two prime fourth powers in two different ways. Strangely, it is smaller than the equivalent number for third powers! [Hartley]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell