185 (number)
 |
| ||||
|---|---|---|---|---|
| Cardinal | one hundred eighty-five | |||
| Ordinal | 185th (one hundred eighty-fifth) | |||
| Factorization | 5 × 37 | |||
| Greek numeral | ΡΠΕ´ | |||
| Roman numeral | CLXXXV | |||
| Binary | 101110012 | |||
| Ternary | 202123 | |||
| Senary | 5056 | |||
| Octal | 2718 | |||
| Duodecimal | 13512 | |||
| Hexadecimal | B916 | |||
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
- 185 is a 20-gonal number[1]
In astronomy
- 185 Eunike is a large, dark, main belt asteroid
- NGC 185 is a dwarf elliptical galaxy in the constellation Cassiopeia
- SN 185 was a supernova which appeared in the year 185, between the constellations Circinus and Centaurus
In the military
- 185 Airborne Division Folgore of the Italian Army during World War II
- 185th Air Refueling Squadron unit of the Oklahoma Air National Guard
- 185th Aviation Brigade of the United States Army is a unit of the Mississippi Army National Guard
- 185th Canadian Infantry Battalion (Cape Breton Highlanders), CEF
- 185th Infantry Brigade (United Kingdom) unit of the British Expeditionary Force during World War II
- 185th Infantry Regiment (United States) is a combat regiment of the United States Army from the California Army National Guard
- German destroyer Lütjens (D185) was a guided missile destroyer of the Bundesmarine (West German Navy)
- HMS Avenger (F185) was a Royal Navy Type 21 frigate from 1975–1994
- HMS Decoy (1894) was a Royal Navy Template:Sclass-
- Polikarpov I-185 was a Soviet fighter aircraft designed in 1941, but never produced
- RMAS Salmoor (A185), a Royal Maritime Auxiliary Service SAL-class mooring and salvage vessel
- US Air Force 185th Air Refueling Wing unit at Sioux Gateway Airport
- USS Bagley (DD-185) was a United States Navy Template:Sclass- following World War I
- USS Koka (ATA-185) was a United States Navy tugboat destroyer during World War II
- USS Riddle (DE-185) was a United States Navy during World War II
- USS Snapper (SS-185) was a United States Navy Template:Sclass- during World War II
In music
- Yamaha PSR-185 portable musical keyboard by the Yamaha Corporation
In transportation
- Alfa Romeo 185T Formula One car
- British Rail Class 185
- 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
- I-185 (disambiguation)
- List of highways numbered 185
- United Nations Security Council Resolution 185
- United States Supreme Court cases, Volume 185
- PS 185, John M. Langston, New York City
- Pennsylvania House of Representatives, District 185
References
- ^ "Sloane's A051872 : 20-gonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
- ^ "185 - The Joke Game". Archived from the original on 2009-10-21.
External links
Wikimedia Commons has media related to 185 (number).