56 (number)

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← 55 56 57 →
Cardinal fifty-six
Ordinal 56th
(fifty-sixth)
Factorization 23 × 7
Divisors 1, 2, 4, 7, 8, 14, 28, 56
Greek numeral ΝϚ´
Roman numeral LVI, lvi
Binary 1110002
Ternary 20023
Senary 1326
Octal 708
Duodecimal 4812
Hexadecimal 3816

56 (fifty-six) is the natural number following 55 and preceding 57.

Contents

Mathematics

Regular 56-gon, associated by the Pythagoreans with Typhon Regular polygon 56.svg
Regular 56-gon, associated by the Pythagoreans with Typhon

56 is a composite number, and a tetranacci number. [1]

Mythology

Plutarch [2] states that the Pythagoreans associated a polygon of 56 sides with Typhon and that they associated certain polygons of smaller numbers of sides with other figures in Greek mythology.

Organizations

References

  1. ↑ Sloane, N. J. A. (ed.). "SequenceA000078(Tetranacci numbers)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation. Retrieved 2016-05-30.
  2. ↑ Plutarch, Moralia V: 30