Work out perfect cube checker instantly with clear inputs, formula shown and shareable results.
A perfect cube is the cube of an integer. Because cubing preserves sign, negative perfect cubes such as −8 = (−2)³ exist too.
Perfect cube test
v is a perfect cube if round(∛v)³ = v
Yes, 1728 = 12³ — a gross, in old measure.
Ten: 1, 8, 27, 64, 125, 216, 343, 512, 729 and 1000.