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119 (number)

From Wikipedia, the free encyclopedia

← 118 119 120 →
Cardinalone hundred nineteen
Ordinal119th
(one hundred nineteenth)
Factorization7 × 17
Divisors1, 7, 17, 119
Greek numeralΡΙΘ´
Roman numeralCXIX
Binary11101112
Ternary111023
Senary3156
Octal1678
Duodecimal9B12
Hexadecimal7716

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

Mathematics

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Telephony

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  • 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

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See also

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References

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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.). "Sequence A000203 (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.). "Sequence A033312 (a(n) = n! - 1)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  6. ^ Sloane, N. J. A. (ed.). "Sequence A001358 (Semiprimes (or biprimes): products of two primes.)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  7. ^ Descriptive website