2

This number is a prime.

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

The limiting sum in the infinite series of the reciprocal of triangular numbers. [Beedassy]

The only "eban" prime, i.e., devoid of the letter 'e' in its English name. [Beedassy]

The only prime digit whose complement is a nonprime digit. [Beedassy]