80609
This number is a composite.
Just showing those entries submitted by 'Earls': (Click here to show all)
The smallest brilliant semiprime whose digits contain circles, i.e., using only the digits 0, 6, 8, 9, in which each of the four digits appears at least once (80609 = 149 * 541). [Earls]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell