Which of the following are correct ways to describe the set of nonnegative integers less than or equal to 100 that are perfect cubes?
1) All numbers from 1 to 100
2) All numbers from 1 to 100 that are divisible by 3
3) All numbers from 1 to 100 that are divisible by 2
4) All numbers from 1 to 100 that are perfect squares