6661

This number is a prime.

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

The sum of cube of factorial of digits of the smallest beastly prime (6!^3 + 6!^3 + 6!^3 + 1!^3) yields an emirp. [Bajpai]

The first 4-digit beastly invertible prime found in the first ten thousand invertible digits (in order of their occurrence) in decimal expansion of π. [Bajpai]