Comparison of the size of N + 1 power of N and (n + 1) power of n

Comparison of the size of N + 1 power of N and (n + 1) power of n

When n = 1,2, the power of N + 1 is less than the power of (n + 1)
When n > 2, the power of N + 1 is greater than the power of (n + 1)