What Is the Missing Number in the Sequence "1, 8, 27, 125, 216?"

What Is the Missing Number in the Sequence "1, 8, 27, 125, 216?"

What Is the Missing Number in the Sequence "1, 8, 27, 125, 216?"

The missing number in the sequence is 64, which goes between 27 and 125. The number sequence is of cubed numbers: 1 is 1 cubed, 8 is the number 2 cubed, 27 is the number 3 cubed and 64 is the number 4 cubed.

A cube number is a number that is multiplied by itself once, and then the result is multiplied by the original number once again. For example, 5 cubed would be 5 x 5 x 5. First, multiply 5 x 5, which is 25. When multiplied again, 25 x 5, the answer is 125. Cubed numbers can be visualized as blocks, such as a Rubik's cube, a 3 x 3 block that would contain 27 blocks if it could be dismantled.