Question: is 2 a cube number?
Answer: Cubic Number. a positive integer. The first few are 1, 8, 27, 64, 125, 216, 343, ... ... The number of positive cubes needed to represent the numbers 1, 2, 3, ... are 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 2, ...