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
The Cube (film) anything behind. When the Man states that if he re-enters his Cube where he won't get out again, Watson ranted about having to depend on the squares. Watson decides to go back to his Cube. When Mr. Thomas enters asking if someone else was in his Cube, the Man states that there was a visitor. Mr. Thomas states that other visitor was acting and introduces him to Jack Van Evera who asks Mr. Thomas if they can take out the part about the thumbnails. As they leave, Jack asks Mr. Thomas what the rest of these Cubes are for anyway.