Basic GCSE(F)

The cube of each number is given by multiplying it by itself, then multiplying it by itself again: For example, 4^{3} = 4 x 4 x 4 = 64.

The cubes of numbers can form a sequence:

Term | 1 | 2 | 3 | 4 | 5 | ... |
---|---|---|---|---|---|---|

1^{3} | 2^{3} | 3^{3} | 4^{3} | 5^{3} | ... | |

Value | 1 | 8 | 27 | 64 | 125 | ... |

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

Answer: 216

6 x 6 x 6 = 216

2. Is 333 a cubic number?

Answer: No

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

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