119 (number)

← 118 119 120 →
← 110 111 112 113 114 115 116 117 118 119 → List of numbers ; Integers ; ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred nineteen
Ordinal	119th; (one hundred nineteenth)
Factorization	7 × 17
Divisors	1, 7, 17, 119
Greek numeral	ΡΙΘ´
Roman numeral	CXIX
Binary	11101112
Ternary	111023
Senary	3156
Octal	1678
Duodecimal	9B12
Hexadecimal	7716

Last updated November 24, 2024

119 (one hundred [and] nineteen) is the natural number following 118 and preceding 120.

Mathematics

119 is a Perrin number, preceded in the sequence by 51, 68, 90 (it is the sum of the first two mentioned).^[1]
119 is the sum of five consecutive primes (17 + 19 + 23 + 29 + 31).
119 is the sum of seven consecutive primes (7 + 11 + 13 + 17 + 19 + 23 + 29).
119 is a highly cototient number.^[2]
119 is one of five numbers to hold a sum-of-divisors of 144 = 12 ² (the others are 66, 70, 94, and 115).^[3]
119 is the order of the largest cyclic subgroups of the monster group.^[4]
119 is the smallest composite number that is 1 less than a factorial (120 is 5!).^[5]
119 is a semiprime, and the fourth in the {7×q} family.^[6]

Telephony

119 is an emergency telephone number in some countries
A number to report youth at risk in France^[7]
119 is the emergency number in Afghanistan that belongs to police and interior ministry.
The South Korean emergency call number
The Chinese fire station call number
119 is the number for the UK's NHS Test and Trace service (created in response to the COVID-19 pandemic)

In other fields

119 is the default port for unencrypted NNTP connections.
Project 119 is a governmental program of the People's Republic of China targeting sports that China has not traditionally excelled in at the Summer Olympics, to maximize the number of medals won during the games.
119 is also the atomic number of the theoretical element ununennium.
Union Pacific No. 119, a 4-4-0 American Type standard gauge steam locomotive of the Union Pacific Railroad that was memorialized in railroading history on the right-hand side of Andrew J. Russell's famous "Joining of the Lines" photograph taken on 10 May 1869, at Promontory, Utah, during the celebration of the completion of the First transcontinental railroad, where it was cowcatcher to cowcatcher with Central Pacific Railroad's Jupiter (locomotive).

Related Research Articles

10 (ten) is the even natural number following 9 and preceding 11. Ten is the base of the decimal numeral system, the most common system of denoting numbers in both spoken and written language.

21 (twenty-one) is the natural number following 20 and preceding 22.

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

35 (thirty-five) is the natural number following 34 and preceding 36.

86 (eighty-six) is the natural number following 85 and preceding 87.

87 (eighty-seven) is the natural number following 86 and preceding 88.

34 (thirty-four) is the natural number following 33 and preceding 35.

58 (fifty-eight) is the natural number following 57 and preceding 59.

1000 or one thousand is the natural number following 999 and preceding 1001. In most English-speaking countries, it can be written with or without a comma or sometimes a period separating the thousands digit: 1,000.

300 is the natural number following 299 and preceding 301.

360 is the natural number following 359 and preceding 361.

400 is the natural number following 399 and preceding 401.

600 is the natural number following 599 and preceding 601.

800 is the natural number following 799 and preceding 801.

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.

6000 is the natural number following 5999 and preceding 6001.

177 is the natural number following 176 and preceding 178.

262 is a natural number preceded by the number 261 and followed by 263. It has the prime factorization 2·131.

References

↑ "Sloane's A001608 : Perrin sequence". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 27 May 2016.
↑ "Sloane's A100827 : Highly cototient numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 27 May 2016.
↑ Sloane, N. J. A. (ed.). "SequenceA000203(Sum of divisors of n.)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation. Retrieved 11 July 2024.
↑ J. H. Conway et al.: Atlas of Finite Groups. Clarendon Press, Oxford, 1985. ISBN 0-19-853199-0 (Page 223)
↑ Sloane, N. J. A. (ed.). "SequenceA033312(a(n) = n! - 1)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
↑ Sloane, N. J. A. (ed.). "SequenceA001358(Semiprimes (or biprimes): products of two primes.)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
↑ Descriptive website

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[1] "Sloane's A001608 : Perrin sequence". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 27 May 2016.

[2] "Sloane's A100827 : Highly cototient numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 27 May 2016.

[3] Sloane, N. J. A. (ed.). "SequenceA000203(Sum of divisors of n.)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation. Retrieved 11 July 2024.

[4] J. H. Conway et al.: Atlas of Finite Groups. Clarendon Press, Oxford, 1985. ISBN 0-19-853199-0 (Page 223)

[5] Sloane, N. J. A. (ed.). "SequenceA033312(a(n) = n! - 1)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.

[6] Sloane, N. J. A. (ed.). "SequenceA001358(Semiprimes (or biprimes): products of two primes.)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.

[7] Descriptive website

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