53 (number)

← 52 53 54 →
← 50 51 52 53 54 55 56 57 58 59 → List of numbers ; Integers ; ← 0 10 20 30 40 50 60 70 80 90 →
Cardinal	fifty-three
Ordinal	53rd; (fifty-third)
Factorization	prime
Prime	16th
Divisors	1, 53
Greek numeral	ΝΓ´
Roman numeral	LIII
Binary	1101012
Ternary	12223
Senary	1256
Octal	658
Duodecimal	4512
Hexadecimal	3516

Last updated April 04, 2024

53 (fifty-three) is the natural number following 52 and preceding 54. It is the 16th prime number.

In mathematics

Fifty-three is the 16th prime number. It is also an Eisenstein prime, an isolated prime, a balanced prime and a Sophie Germain prime.^[1] 53 is a sexy prime with 47 and 59.
The sum of the first 53 primes is 5830, which is divisible by 53, a property shared by only a few other numbers.^[2]^[3]
53 cannot be expressed as the sum of any integer and its decimal digits, making 53 a self number.^[4]
53 is the smallest prime number that does not divide the order of any sporadic group.

In science

The atomic number of iodine

Astronomy

Messier object M53, a magnitude 8.5 globular cluster in the constellation Coma Berenices
The New General Catalogue object NGC 53, a magnitude 12.6 barred spiral galaxy in the constellation Tucana

In other fields

Fifty-three is:

The racing number of Herbie, a fictional Volkswagen Beetle with a mind of his own, first appearing in the 1968 film The Love Bug
The code for international direct dial phone calls to Cuba
53 Days is a northeastern US rock band
53 Days a novel by Georges Perec
In How the Grinch Stole Christmas! , and its animated TV special adaptation, the Grinch says he has put up with the Whos' Christmas cheer for 53 years.
Fictional 53rd Precinct in the Bronx was found in the TV comedy "Car 54, Where Are You?"
"53rd & 3rd" a song by the Ramones
The number of Hail Mary beads on a standard, five decade Catholic Rosary (the Dominican Rosary).^[5]
The number of bytes in an Asynchronous Transfer Mode packet.
UDP and TCP port number for the Domain Name System protocol.
53-TET (53 tone, equal temperament) is a musical temperament that has a fifth that is closer to pure than our current system.
53 More Things To Do In Zero Gravity is a fictional book mentioned in The Hitchhiker's Guide to the Galaxy

Sports

The maximum number of players on a National Football League roster
Most points by a rookie in an NBA playoff game, by Philadelphia's Wilt Chamberlain, 1960
Most field goals (three-game series, NBA playoffs), by Michael Jordan, 1992

Related Research Articles

29 (twenty-nine) is the natural number following 28 and preceding 30. It is a prime number.

81 (eighty-one) is the natural number following 80 and preceding 82.

83 (eighty-three) is the natural number following 82 and preceding 84.

89 (eighty-nine) is the natural number following 88 and preceding 90.

31 (thirty-one) is the natural number following 30 and preceding 32. It is a prime number.

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

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

55 (fifty-five) is the natural number following 54 and preceding 56.

57 (fifty-seven) is the natural number following 56 and preceding 58.

59 (fifty-nine) is the natural number following 58 and preceding 60.

600 is the natural number following 599 and preceding 601.

2000 is a natural number following 1999 and preceding 2001.

3000 is the natural number following 2999 and preceding 3001. It is the smallest number requiring thirteen letters in English.

4000 is the natural number following 3999 and preceding 4001. It is a decagonal number.

5000 is the natural number following 4999 and preceding 5001. Five thousand is the largest isogrammic numeral in the English language.

6000 is the natural number following 5999 and preceding 6001.

7000 is the natural number following 6999 and preceding 7001.

8000 is the natural number following 7999 and preceding 8001.

251 is the natural number between 250 and 252. It is also a prime number.

41 (forty-one) is the natural number following 40 and preceding 42.

References

↑ Sloane, N. J. A. (ed.). "SequenceA005384(Sophie Germain primes)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation. Retrieved 2016-05-30.
↑ Sloane, N. J. A. (ed.). "SequenceA045345(Numbers n such that n divides sum of first n primes A007504(n).)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
↑ Puzzle 31.- The Average Prime number, APN(k) = S(Pk)/k from The Prime Puzzles & Problems Connection website
↑ Sloane, N. J. A. (ed.). "SequenceA003052(Self numbers)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation. Retrieved 2016-05-30.
↑ "Rosary Workshop: Rosary - origin of rosary prayers".

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[1] Sloane, N. J. A. (ed.). "SequenceA005384(Sophie Germain primes)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation. Retrieved 2016-05-30.

[2] Sloane, N. J. A. (ed.). "SequenceA045345(Numbers n such that n divides sum of first n primes A007504(n).)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.

[3] Puzzle 31.- The Average Prime number, APN(k) = S(Pk)/k from The Prime Puzzles & Problems Connection website

[4] Sloane, N. J. A. (ed.). "SequenceA003052(Self numbers)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation. Retrieved 2016-05-30.

[5] "Rosary Workshop: Rosary - origin of rosary prayers".

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