126

This number is a composite.

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

126^126 + 126! + 126*126 + 126/126 + 126 is prime. It is interesting that the digits of 126 have the same property. [Firoozbakht]

126! - 126*126 - 126/126 is a 212-digit prime. [Firoozbakht]