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
Gelatinous cube who's not either glued to the floor or fast asleep. In fact, we're pretty sure the "Dungeon Master's Guide" reads: "The first player to ask "Can't I just get out of the way?" automatically defeats the Gelatinous Cube"." Rob Bricken from io9 named the gelatinous cube as the 5th most memorable D&D monster. Chris Sims of the on-line magazine "Comics Alliance" stated of the gelatinous cube that "there can be no question of what is the greatest monster" in "D&D", calling the gelatinous cube "amazing". Gelatinous cube A gelatinous cube is a fictional monster from the "Dungeons & Dragons" fantasy