52 (number)

Last updated
51 52 53
Cardinal fifty-two
Ordinal 52nd
(fifty-second)
Factorization 22 × 13
Divisors 1, 2, 4, 13, 26, 52
Greek numeral ΝΒ´
Roman numeral LII, lii
Binary 1101002
Ternary 12213
Senary 1246
Octal 648
Duodecimal 4412
Hexadecimal 3416

52 (fifty-two) is the natural number following 51 and preceding 53.

Contents

In mathematics

Fifty-two is

In other fields

A full-size piano has 52 white keys, out of 88 total keys. Piano keyboard.JPG
A full-size piano has 52 white keys, out of 88 total keys.

Fifty-two is:

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References

  1. "Bell, or exponential numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation (oeis.org). Sloane's A000110. Retrieved 30 May 2016.
  2. "10-gonal (or decagonal) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation (oeis.org). Sloane's A001107. Retrieved 30 May 2016.
  3. "Untouchable numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation (oeis.org). Sloane's A005114. Retrieved 30 May 2016.
  4. "Noncototients". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation (oeis.org). Sloane's A005278. Retrieved 30 May 2016.
  5. "Vertically symmetric numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation (oeis.org). Sloane's A053701. Retrieved 8 May 2022.