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770s Establishments
77 may refer to: * 77 (number) * one of the years 77 BC, AD 77, 1977, 2077 Music * 77 (band), a Spanish hard rock band * 77 (Matt Kennon album), ''77'' (Matt Kennon album) * ''Talking Heads: 77'', debut album by Talking Heads * 77 (Nude Beach album), ''77'' (Nude Beach album), an album by the band Nude Beach See also * '77 (other) * 7/7, the 7 July 2005 London bombings * * List of highways numbered {{Numberdis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
77 (number)
77 (seventy-seven) is the natural number following 76 and preceding 78. Seventy-seven is the smallest positive integer requiring five syllables in English. In mathematics 77 is: *the 22nd discrete semiprime and the first of the (7×q) family. *a Blum integer since both 7 and 11 are Gaussian primes. *the sum of three consecutive squares, 42 + 52 + 62. *the sum of the first eight prime numbers. *the number of integer partitions of the number 12. * the largest number that cannot be written as a sum of distinct numbers whose reciprocals sum to 1. *the number of digits of the 12th perfect number. It is possible for a sudoku puzzle to have as many as 77 givens, yet lack a unique solution. It and 49 are the only 2-digit numbers whose home primes (in base 10) have not been calculated. In science *The atomic number of iridium *The boiling point of nitrogen (in kelvins) *The temperature, in Fahrenheit, some characteristics of semiconductors are specifically given in a datasheet (77&nbs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |