64 (number) 64 (number) 64 (sixty-four) is the natural number following 63 and preceding 65. Sixty-four is the square of 8, the cube of 4, and the sixth power of 2. It is the smallest number with exactly seven divisors. It is the lowest positive power of two that is adjacent to neither a Mersenne prime nor a Fermat prime. 64 is the sum of Euler's totient function for the first fourteen integers. It is also a dodecagonal number and a centered triangular number. 64 is also the first whole number that is both a perfect square and a perfect cube. Since
This Is the Day...This Is the Hour...This Is This! than I liked what was on them, so it was about why you'd buy into one brand over another." The "Watchmen"-themed "Def. Con. One" was released by the band's early label Chapter 22 on 1 July 1988, reaching number 63 on the UK Singles Chart. Later in the year, the band were signed to major label RCA Records, who released "This Is the Day...This is the Hour...This Is This!" in the United Kingdom on 1 May 1989 and in the United States and Japan on 18 July 1989. Not all the samples on the album were licensed, as the band