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  2. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    Power of two. A power of two is a number of the form 2n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent . Powers of two with non-negative exponents are integers: 20 = 1, 21 = 2, and 2n is two multiplied by itself n times.

  3. The Magical Number Seven, Plus or Minus Two - Wikipedia

    en.wikipedia.org/wiki/The_Magical_Number_Seven...

    The Magical Number Seven, Plus or Minus Two. " The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information " [1] is one of the most highly cited papers in psychology. [2] [3] [4] It was written by the cognitive psychologist George A. Miller of Harvard University 's Department of Psychology and published ...

  4. 63 (number) - Wikipedia

    en.wikipedia.org/wiki/63_(number)

    Mathematics. 63 is the sum of the first six powers of 2 (2 0 + 2 1 + ... 2 5 ). It is the eighth highly cototient number, [1] and the fourth centered octahedral number after 7 and 25. [2] For five unlabeled elements, there are 63 posets. [3]

  5. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    637: 63 - 7 × 9 = 0. 14: It is divisible by 2 and by 7. 224: it is divisible by 2 and by 7. Add the last two digits to twice the rest. The result must be divisible by 14. 364: 3 × 2 + 64 = 70. 1,764: 17 × 2 + 64 = 98. 15: It is divisible by 3 and by 5. 390: it is divisible by 3 and by 5. 16

  6. Magic square - Wikipedia

    en.wikipedia.org/wiki/Magic_square

    Most-perfect magic square when it is a pandiagonal magic square with two further properties (i) each 2×2 subsquare add to 1/k of the magic constant where n = 4k, and (ii) all pairs of integers distant n/2 along any diagonal (major or broken) are complementary (i.e. they sum to n 2 + 1).

  7. 11.22.63 - Wikipedia

    en.wikipedia.org/wiki/11.22.63

    11.22.63 was released on DVD and Blu-ray on August 9, 2016, in Region 1. The release includes all eight episodes, as well as a special feature titled "When the Future Fights Back", where King, Abrams, Carpenter and Franco talk about elements of the production that turned King's novel into an event series.

  8. 7 - Wikipedia

    en.wikipedia.org/wiki/7

    7 is the only number D for which the equation 2 n − D = x 2 has more than two solutions for n and x natural. In particular, the equation 2 n − 7 = x 2 is known as the Ramanujan–Nagell equation. There are 7 frieze groups in two dimensions, consisting of symmetries of the plane whose group of translations is isomorphic to the group of integers.

  9. 2023–24 R.S.C. Anderlecht season - Wikipedia

    en.wikipedia.org/wiki/2023–24_R.S.C._Anderlecht...

    2023–24 R.S.C. Anderlecht season. All statistics correct as of 11 May 2024. The 2023–24 season is Royal Sporting Club Anderlecht's 116th season in existence and 88th consecutive in the Belgian Pro League. They also competed in the Belgian Cup, where they were eliminated in the quarter-finals.