Best Answer

Cubed means multiplied by itself and then multiplied by itself,

e.g. 43 means 4x 4=16, 16x4=64,

so,43=64

Q: What are cubed numbers?

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A number can't be cubed and prime. Cubed numbers (other than 1) have more than two factors.

The sum of the first n cubed numbers is the square of the nth triangular number.

Numbers multiplied by it's self 3 times

The sum of the first n cubed numbers is: [n*(n+1)/2]2 which is the same as the square of the sum of the first n numbers.

2,628,071 and 2,628,073. 138 cubed is 2,628,072

Perfect cubes.

The cubed numbers up to 100 are: 1, 8, 27, 64.

8 is 2 cubed 27 is 3 cubed

The first 5 cubed numbers are 1x1x1=1, 2x2x2=8, 3x3x3=27, 4x4x4=64 and 5x5x5=125. :)

If you mean the sum of two cubed numbers then the answer is simply 'none' with the trivial exception of all of them being 0. For more info check out "Fermat's last theorem".

101

A cubed number has been multiplied by itself 3 times, so x cubed is x times x times x.