A number can't be cubed and prime. Cubed numbers (other than 1) have more than two factors.
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Yes. For example 3 is the cube of cuberoot(3). However, by definition, a prime number cannot be a PERFECT cube.
no its 5 cubed not 5 cubed 5
19
The sum of the first n cubed numbers is the square of the nth triangular number.
900=2x2x5x5x3x3 There are not any groups of three so the cube root is not a whole number. Now you have to take numbers and guess it. 10 cubed is 1000 9 cubed is 729 9.5 cubed is 902.5 So, keep trying to get close to the amount.