165 (number)
| ||||
|---|---|---|---|---|
| Cardinal | one hundred sixty-five | |||
| Ordinal |
165th (one hundred and sixty-fifth) | |||
| Factorization | 3 × 5 × 11 | |||
| Divisors | 1, 3, 5, 11, 15, 33, 55, 165 | |||
| Roman numeral | CLXV | |||
| Binary | 101001012 | |||
| Ternary | 200103 | |||
| Quaternary | 22114 | |||
| Quinary | 11305 | |||
| Senary | 4336 | |||
| Octal | 2458 | |||
| Duodecimal | 11912 | |||
| Hexadecimal | A516 | |||
| Vigesimal | 8520 | |||
| Base 36 | 4L36 | |||
165 (one hundred [and] sixty-five) is the natural number following 164 and preceding 166.
In mathematics
165 is an odd number, a composite number, and a deficient number. It is a sphenic number, a tetrahedral number, and the sum of the divisors of the first fourteen integers.
165 is a self number in base 10 and a palindromic number in binary.
165 is a unique period in base 2.
In astronomy
- 165 Loreley is a large Main belt asteroid
- 165P/LINEAR is a periodic comet in our solar system
In the military
- USNS American Explorer (T-AOT-165) was a United States Navy tanker, part of the U.S. Reserve Fleet, Beaumont, Texas
- USS Bonita (SS-165) was a United States Navy Barracuda-class submarine during World War II
- USS Bullock (AK-165) was a United States Navy Alamosa-class cargo ship during World War II
- USS Counsel (AM-165) was a United States Navy Admirable-class minesweeper during World War II
- USS Counsel (AM-165) was a United States Navy Haskell-class attack transport during World War II
- USS Flicker (IX-165) was a United States Navy minesweeper during World War II
- USS Georgetown (AG-165) was a United States Navy Oxford-class technical research ship following World War II
- USS Meredith (DD-165) was a United States Navy Wickes class destroyer during World War I
- USS Parks (DE-165) was a United States Navy Cannon class destroyer escort during World War II
- USS Prince Georges (AP-165) was a United States Navy Crater-class transport and cargo ship during World War II
- USS Wenonah (SP-165) was a United States Navy yacht during World War I
- Caproni Ca.165 Italian fighter aircraft developed before World War II
- The 165 Squadron, Republic of Singapore Air Force Air Defence Operations Command, Republic of Singapore Air Force
In transportation
- British Rail Class 165
- The Blériot 165 was a French four-engine biplane airliner of the 1920s
- The Cessna 165 single-engine plane of the 1930s
- LOT Polish Airlines Flight 165, en route from Warsaw to Cracow Balice airport crashed during a snowstorm on April 2, 1969
In other fields
165 is also:
- The year AD 165 or 165 BC
- 165 AH is a year in the Islamic calendar that corresponds to 781 – 782 CE
- The atomic number of an element temporarily called Unhexpentium
- G.165 is a Telecommunication Standardization Sector standard for echo cancellers, used in telephony
- The human gene Zinc finger protein 165, or ZNF165
See also
- List of highways numbered 165
- United States Supreme Court cases, Volume 165
- United Nations Security Council Resolution 165
- Pennsylvania House of Representatives, District 165
- U.S. Income Tax sections 165(d) Professional Gamblers and 165(d) Recreational Gamblers
External links
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