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) columns. Other equipment in the board game are track pieces, discs, clips, z shaped platform pieces, cannons, blocks, a ball flipper, a beam and card pieces,and a 7 cm x 7 cm x 7 cm plastic cube for playing a series of physical games. The cube is used for a container and to connect onto the cube platform for the electronic games. A reducer also comes with the cube, allowing it to reduce the size of the open top of the cube. This is, in almost all games involving the cube, removed in a simplify. Many well known and classic