Trisha Shetty (Editor)

193 (number)

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193
  
194 →

Prime
  
44th

Factorization
  
prime

Divisors
  
1, 193

Cardinal
  
one hundred ninety-three

Ordinal
  
193rd (one hundred and ninety-third)

193 (one hundred [and] ninety-three) is the natural number following 192 and preceding 194.

Contents

In mathematics

  • 193 is an odd number
  • 193 is a centered 32-gonal number
  • 193 is a happy number
  • 193 is a lucky number
  • 193 is an odious number
  • 193 is a square-free number
  • 193 is the sum of 2 square numbers: 122 + 72 (or 144 + 49)
  • 193 is the difference of 2 square numbers: 972 - 962 (or 9409 - 9216)
  • 193 is a prime number
  • 193 is a Cuban prime
  • 193 is a full reptend prime
  • 193 is a Pierpont prime
  • 193 is a Pillai prime
  • 193 is a Proth prime, as it is 3 × 26 + 1
  • 193 is a twin prime with 191
  • 193 is the only odd prime p known for which 2 is not a primitive root of 4 p 2 + 1 .
  • 193 can be written as the difference between the product and the sum of the first four primes
  • 193 is a twin number
  • 193/71 is the most accurate approximation of Euler's Number (e) such that both the numerator and the denominator are integers less than 200 (approx. 99.99897% accurate)

    • In geography

  • Eyebrow No. 193 is a rural municipality in Saskatchewan, Canada
  • House at 193 Vernon Street, a historic house at 193 Vernon Street in Wakefield, Massachusetts

    • In the military

  • 193 Squadron Israeli Air Force AS565 Panther helicopter squadron
  • 193rd Special Operations Wing assigned to the Pennsylvania Air National Guard, the parent unit of the 193rd Special Operations Squadron
  • 193rd Battalion unit in the Canadian Expeditionary Force during World War I
  • 193rd Infantry Brigade United States Army Reserve during World War II
  • Bristol Type 193 Belvedere was a Royal Air Force twin-engined, tandem rotor military helicopter during the 1960
  • No. 193 Squadron was a Royal Air Force squadron during World War II
  • USA 193 is an American military spy satellite launched on December 14, 2006
  • USNS Glomar Explorer (T-AG-193) United States Navy vessel used for deep-sea drilling
  • USNS Walter S. Diehl (T-AO-193) is a United States Navy Henry J. Kaiser-class fleet replenishment oiler
  • USS Abel P. Upshur (DD-193) was a United States Navy Clemson-class destroyer until World War II
  • USS Garfield Thomas (DE-193) was a United States Navy Cannon-class destroyer escort during World War II
  • USS Jacana (AMS-193) was a United States Navy Falcon-class motor minesweeper from 1954–1976
  • USS Lancaster (AK-193) was a United States Navy Alamosa-class cargo ship during World War II
  • USS Sanborn (APA-193) was a United States Navy Haskell-class attack transport during World War II
  • USS Swordfish (SS-193) was a United States Navy Sargo-class submarine during World War II

    • In sports

  • Jordan 193 Formula One car, which Jordan Grand Prix raced in the 1993 Formula One season

    • In telephony

  • 193 is the fire emergency number in Brazil
  • 193 is the medical emergency number in Ghana
  • 193 is the fire emergency number in the Republic of Macedonia, Croatia, Serbia, Kosovo
  • 193 is the medical emergency number for the National Guard in Tunisia

    • In transportation

  • National Airlines Flight 193 crashed into Escambia Bay by Pensacola International Airport on May 8, 1978

    • In other fields

    193 is also:

  • The year AD 193 or 193 BC
  • The atomic number of an element temporarily called Unenntrium
  • 193 Ambrosia is a main belt asteroid
  • Minuscule 193 is a Greek minuscule manuscript of the New Testament, on parchment
  • ICRF 193 is a topoisomerase inhibitor
  • Trial of the 193 was a series of criminal trials in Russia in 1877-1878

    • References

    193 (number) Wikipedia
    (Text) CC BY-SA