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Cube Sequences

Cube Sequences

The cube of each number is given by multiplying it by itself, then multiplying it by itself again: For example, 43 = 4 x 4 x 4 = 64.

The cubes of numbers can form a sequence:

Term 1 2 3 4 5 ...
13 23 33 43 53 ...
Value 1 8 27 64 125 ...

Example 1

What is the value of the 6th term in the sequence of cubic numbers?

6 x 6 x 6 = 216

Answer: 216

Example 2

Is 333 a cubic number?

6 x 6 x 6 = 216. 7 x 7 x 7 = 343.

Answer: No

See also Cubes