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
Cube Cove, Alaska Cove School, operated by the Chatham School District, closed in or before 2002. Cube Cove, Alaska Cube Cove was an unincorporated community and census-designated place on the northwestern side of Admiralty Island in the Hoonah-Angoon Census Area of the U.S. state of Alaska. The population was 72 at the 2000 United States Census, but it was not included in the 2010 census. What was Cube Cove was located at . According to the United States Census Bureau, the CDP had a total area of , of which is land and , or 2.48%, is water. Cube Cove first appeared on