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166 (number) 
Summary
166 (one hundred [and] sixty-six) is the natural number following 165 and preceding 167.
| ||||
|---|---|---|---|---|
| Cardinal | one hundred sixty-six | |||
| Ordinal | 166th (one hundred sixty-sixth) | |||
| Factorization | 2 × 83 | |||
| Divisors | 1, 2, 83, 166 | |||
| Greek numeral | ΡΞϚ´ | |||
| Roman numeral | CLXVI | |||
| Binary | 101001102 | |||
| Ternary | 200113 | |||
| Senary | 4346 | |||
| Octal | 2468 | |||
| Duodecimal | 11A12 | |||
| Hexadecimal | A616 | |||
In mathematics edit
166 is an even number and a composite number. It is a centered triangular number.[1]
Given 166, the Mertens function returns 0. 166 is a Smith number in base 10.[2]
In astronomy edit
- 166 Rhodope is a dark main belt asteroid, in the Adeona family of asteroids
- 166P/NEAT is a periodic comet and centaur in the outer Solar System
- HD 166 is the 6th magnitude star in the constellation Andromeda
In the military edit
- 166th Signal Photo Company was the official photo unit in the 89th Division of George Patton's Third Army in World War II
- Convoy ON-166 was the 166th of the numbered ON series of merchant ship convoys outbound from the British Isles to North America departing February 11, 1943
- Marine Medium Helicopter Squadron 166 is a United States Marine Corps helicopter
- USCGC Tamaroa (WMEC-166) was a United States Coast Guard cutter during World War II
- USS Alcedo (SP-166) was a United States Navy yacht. She was the first American vessel lost in World War I
- USS Baron (DE-166) was a United States Navy Cannon-class destroyer escort during World War II
- USS Bush (DD-166) was a United States Navy Wickes-class destroyer during the World War I
- USS Cabell (AK-166) was a United States Navy Alamosa-class cargo ship during World War II
- USS Fond du Lac (APA-166) was a United States Navy Haskell-class attack transport ship during World War II
- USS Jamestown (AGTR-3/AG-166) was a United States Navy Oxford-class technical research ship following World War II
In sports edit
- Sam Thompson’s 166 RBIs in 1887 stood as a Major League Baseball record until Babe Ruth broke the record in 1921
In transportation edit
- British Rail Class 166
- The now-defunct elevated IRT Third Avenue Line, 166th Street station in the Bronx, New York
- London Buses route 166
- Piaggio P.166 is a twin-engined push prop-driven utility aircraft developed by the Italian aircraft manufacturer Piaggio
- Banat Air Flight 166 crashed on take-off en route from Romania on December 13, 1995
- Alfa Romeo 166 produced from 1998 to 2007
- Ferrari 166 model cars produced from 1948 to 1953
- Ferrari 166 Inter (1949) Coachbuilt street coupe and cabriolet
In other fields edit
166 is also:
- The year AD 166 or 166 BC
- The atomic number of an element temporarily called Unhexhexium
See also edit
External links edit
Wikimedia Commons has media related to 166 (number).
- Number Facts and Trivia: 166
- The Number 166
- VirtueScience: 166 Archived 2011-06-07 at the Wayback Machine
- 166th Street (3rd Avenue El)