484

This number is a composite.

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

sigma(484) = prime(4)*prime(8)*prime(4). 484 is the largest known (up to 10^8) such number. [Firoozbakht]

π(484) = phi(484)-4*8*4. [Firoozbakht]