64 (number) it is possible to find sequences of 64 consecutive integers such that each inner member shares a factor with either the first or the last member, 64 is an Erdős–Woods number. In base 10, no integer added up to its own digits yields 64, hence it is a self number. 64 is a superperfect number—a number such that σ(σ("n")) = 2"n". 64 is the index of Graham's number in the rapidly growing sequence 3↑↑↑↑3, 3 ↑ 3,… Sixty-four is: 64 (number) 64 (sixty-four) is the natural number following 63 and preceding 65. Sixty-four is the square of 8, the cube
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