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
One Song to the Tune of Another Boy" and vice versa). Also in recent popular culture bootlegging and bastard pop have taken is a step further, employing the practice of laying down vocals from one track over the music from another. Both "The Star Spangled Banner" and "My Country, 'Tis of Thee" are both examples of taking a song and writing new lyrics for the tune. One Song to the Tune of Another "One Song to the Tune of Another" was the first game played on the BBC Radio 4 comedy panel game "I'm Sorry I Haven't a Clue" and is still almost always played every other