2

This number is a prime.

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

The only prime pronic number. [Homewood]

The smallest n where the sum of the nth prime + the nth composite number - 4, the sum of their squares - 4, the sum of their cubes - 4 and the sum of their fourth powers - 4 are all prime [Homewood]