54 (number)

From Wikipedia, the free encyclopedia
(Redirected from Number 54)
← 53 54 55 →
Cardinalfifty-four
Ordinal54th
(fifty-fourth)
Factorization2 × 33
Divisors1, 2, 3, 6, 9, 18, 27, 54
Greek numeralΝΔ´
Roman numeralLIV
Binary1101102
Ternary20003
Senary1306
Octal668
Duodecimal4612
Hexadecimal3616

54 (fifty-four) is the natural number following 53 and preceding 55.

In mathematics[edit]

54 as the sum of three positive squares

In science[edit]

Astronomy[edit]

In sports[edit]

A Rubik's Cube has 54 colored squares.
Traditional Japanese symbols of the 54 chapters of the Tale of Genji

In other fields[edit]

54 is also:

See also[edit]

References[edit]

  1. ^ "Sloane's A005835 : Pseudoperfect (or semiperfect) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
  2. ^ "Sloane's A076980 : Leyland numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
  3. ^ Sloane, N. J. A. (ed.). "Sequence A025331". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  4. ^ Sloane, N. J. A. (ed.). "Sequence A025323". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  5. ^ "Sloane's A051871 : 19-gonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
  6. ^ "Sloane's A005349 : Niven (or Harshad) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
  7. ^ Sloane, N. J. A. (ed.). "Sequence A007053 (Number of primes <= 2^n)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2022-06-02.
  8. ^ Sloane, N. J. A. (ed.). "Sequence A005727 (n-th derivative of x^x at x=1. Also called Lehmer-Comtet numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.