Some cube numbers are also square numbers, for example 64 is a square number (8 × 8) and a cube number (4 × 4 × 4); this happens if and only if the number is a perfect sixth power.
Some cube numbers are also square numbers. Example 64 is a square number (8 × 8). Example 64 is a cube number (4 × 4 × 4). This happens if and only. The number is a perfect sixth power.