Is 721 a cube number?
Cube Question: Is 721 a cube number?
For 721 to be a cube number the following equation must be true:
n3 = 721 where n is a whole number.
In other words, if n*n*n = 721, then 721 is a cube number.
There are no whole numbers you can set to n to make the equation above 721.
Therefore, we can conclude that 721 is NOT a cube number.
Answer: Is 721 a cube number? = NO
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