2760427
This number is a composite.
Just showing those entries submitted by 'Gaydos': (Click here to show all)
The smallest brilliant Cyclops number for which the sum of
the number before the zero and the number after the zero is
another brilliant Cyclops number (276+427=703). [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell