Migration complete - please let us know if anything isn't working.
This number is a composite.
Just showing those entries submitted by 'Gaydos': (Click here to show all)
The smallest integer that is the sum of a prime number and the prime's sum of digits in two different ways (1993 + 22 and 2011 + 4). [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell