106891

This number is a composite.

Just showing those entries submitted by 'Bajpai': (Click here to show all)

+ The smallest brilliant number that contains all the invertible digits (0, 1, 6, 8, 9). Note that when rotated by 180 degrees, it becomes a prime number (168901). [Bajpai]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell