185 (number)

From Wikipedia, the free encyclopedia
← 184 185 186 →
180 181 182 183 184 185 186 187 188 189
List of numbersIntegers
0 100 200 300 400 500 600 700 800 900
Cardinalone hundred eighty-five
Ordinal185th
(one hundred eighty-fifth)
Factorization5 × 37
Greek numeralΡΠΕ´
Roman numeralCLXXXV
Binary101110012
Ternary202123
Octal2718
Duodecimal13512
HexadecimalB916

185 (one hundred [and] eighty-five) is the natural number following 184 and preceding 186.

In mathematics[]

  • 185 is an odd number
  • 185 is a composite number
  • 185 is a deficient number, as 43 is less than 185
  • 185 is an odious number
  • 185 is a square-free number
  • Divisors of 185: 1, 5, 37, 185
  • 185 is the sum of two square numbers in two different ways: 132+ 42 and 112 + 82
  • 185 is the difference of 2 square numbers: 212 - 162 and 932 - 922
  • 185 is a 20-gonal number[1]

In astronomy[]

In the military[]

In music[]

  • Yamaha PSR-185 portable musical keyboard by the Yamaha Corporation

In transportation[]

  • Alfa Romeo 185T Formula One car
  • British Rail Class 185
  • Paxman VP185 - an engine for the British Rail Class 43 (HST), to replace the Paxman Valenta
  • Cessna 185 single-engine plane
  • London Buses route 185
  • 185 series Multiple unit trains in Japan
  • Willow Creek/Southwest 185th Avenue Transit Center, Hillsboro, Oregon
  • Air Tahoma Flight 185 was a scheduled cargo flight from Memphis to Cincinnati which crashed August 13, 2004
  • SilkAir Flight 185, was a scheduled passenger flight from Jakarta, Indonesia to Singapore, which crashed December 19, 1997, the subject of a documentary

In other fields[]

185 is also:

  • The year AD 185 or 185 BC
  • The atomic number of an element temporarily called Unoctpentium
  • The improv game of 185[2] where, given a subject from the audience, players make up jokes beginning with "185 (blanks) walk into a bar." (The number in this case is completely arbitrary, but is 185 by tradition)
  • Minuscule 185 is a Greek minuscule manuscript of the New Testament, on parchment
  • Kevin St. Onge set a Guinness World Record by throwing a single playing card 185 feet (56 m) and one inch on June 12, 1979
  • Rotax 185 is a 9 hp (7 kW), single cylinder, two-stroke, industrial engine, built by Rotax of Austria for fire fighting

See also[]

References[]

  1. ^ "Sloane's A051872 : 20-gonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  2. ^ "185 - The Joke Game". Archived from the original on 2009-10-21.

External links[]

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