A cube number is a number that can be expressed as the product of an integer multiplied by itself twice. In simpler terms, if you take a whole number and multiply it by itself two more times, the result is a cube number. For example, 2 cubed (2 × 2 × 2) equals 8, and 3 cubed (3 × 3 × 3) equals 27. Cube numbers can be represented visually as cubes in three-dimensional space. The first few cube numbers are 1, 8, 27, 64, and 125, corresponding to the cubes of 1, 2, 3, 4, and 5, respectively. These numbers have various applications in mathematics, science, and engineering.