64 (number) 64 (number) 64 (sixty-four) is the natural number following 63 and preceding 65. Sixty-four is the square of 8, the cube of 4, and the sixth power of 2. It is the smallest number with exactly seven divisors. It is the lowest positive power of two that is adjacent to neither a Mersenne prime nor a Fermat prime. 64 is the sum of Euler's totient function for the first fourteen integers. It is also a dodecagonal number and a centered triangular number. 64 is also the first whole number that is both a perfect square and a perfect cube. Since
The Cube (game show) see one side of the Cube before the action is frozen, spun to another face of the Cube and then resumed. Slow-motion shots are again common to show action replays of the task a contestant just completed, or the critical moment of a game, to heighten the excitement of whether the contestant will succeed or fail. The show makes extensive use of CGI to project images onto the walls and ceiling of the Cube, while a screen on the floor is also capable of showing images. These film techniques make the seemingly simple tasks that are put before the contestants