# 177 (number)

This article may contain indiscriminate, excessive, or irrelevant examples. (October 2010) |

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Cardinal | one hundred seventy-seven | |||

Ordinal |
177th (one hundred seventy-seventh) | |||

Factorization | 3 × 59 | |||

Divisors | 1, 3, 59, 177 | |||

Greek numeral | ΡΟΖ´ | |||

Roman numeral | CLXXVII | |||

Binary |
10110001_{2} | |||

Ternary |
20120_{3} | |||

Quaternary |
2301_{4} | |||

Quinary |
1202_{5} | |||

Senary |
453_{6} | |||

Octal |
261_{8} | |||

Duodecimal |
129_{12} | |||

Hexadecimal |
B1_{16} | |||

Vigesimal |
8H_{20} | |||

Base 36 |
4X_{36} |

**177** (**one hundred [and] seventy-seven**) is the natural number following 176 and preceding 178.

## Contents

## In mathematics[edit]

- 177 is an odd number
- 177 is a composite number
- 177 is a deficient number, as 63 is less than 177
- 177 is a Leyland number since it can be expressed as 2
^{7}+ 7^{2} - 177 is a square-free number
- 177 is a Ulam number
- 177 is a 60-gonal number
^{[1]} - Divisors of 177: 1, 3, 59, 177
- 177 is a semiprime: a product of two prime numbers (3 and 59)
- Since the prime factors (3 and 59) are Gaussian primes, 177 is a Blum integer
- 177 is a digitally balanced number: in its binary numeral system representation, it has the same number of zeros as ones (10110001)
- 177 is the magic constant of a magic square using only Chen primes
- 177 is the smallest magic constant for a 3 x 3 prime magic square

## In astronomy[edit]

- 177 Irma is a large and dark Main belt asteroid
- Arp 177, APG 177 or VV 840 is a group of galaxies in the constellation Boötes
- Comet 177P/Barnard is a periodic comet in the solar system

## In the military[edit]

- Heinkel He 177 Greif was a German long-range bomber during World War II
- Saunders-Roe SR.177 project to develop a jet- and rocket-powered interceptor aircraft for the British Royal Air Force and Navy during the 1950s
- WE.177 was the last air-launched nuclear bomb of the British Armed Forces
- USNS
*Shearwater*(T-AG-177) was a United States Navy*Shearwater*-class miscellaneous auxiliary ship during World War II - USS
*Cimarron*(AO-177) was a United States Navy*Cimarron*-class oil tanker from 1978 to 1981 - USS
*Europa*(AP-177) was a United States Navy transport ship following World War II - USS
*Kingsbury*(APA-177) was a United States Navy*Haskell*-class attack transport ship during World War II - USS
*O'Bannon*(DD-177) was a United States Navy*Wickes*-class destroyer following World War I - USS
*Pickerel*(SS-177) was a United States Navy*Porpoise*-class submarine during World War II - USS
*Reybold*(DE-177) was a United States Navy*Cannon*-class destroyer escort during World War II - 177th Fighter Wing is an Air National Guard fighter unit at Atlantic City International Airport, New Jersey

## In sports[edit]

- 177 is the 2nd highest possible score in darts that can be obtained by throwing three darts in a single visit to the oche
- Tennis Hall of Famer Martina Navratilova holds the all-time titles record for men or women with 177

## In telephony[edit]

- 177 is the police emergency telephone number in Morocco
- 177 is the public transport information telephone number in Norway

## In transportation[edit]

- Cessna 177 aircraft
- Aston Martin One-77
- London Buses route 177
- New York City Subway stations include:
- Parkchester (IRT Pelham Line), a station at East 177th Street and Westchester Avenue, The Bronx, serving the 6 and <6> trains
- West Farms Square – East Tremont Avenue (IRT White Plains Road Line), a station at 177th Street and East Tremont Avenue, The Bronx, serving the 2 and 5 trains
- 175th Street (IND Eighth Avenue Line), a station at 175th Street and Fort Washington Avenue, Manhattan, serving the A train
- Tremont Avenue – 177th Street (IRT Third Avenue Line), a demolished station at Tremont and Third Avenues in the Bronx

## .177 calibre[edit]

- .177 calibre (4.5 mm) is the smallest size of pellets used in airguns
- This calibre is used for hunting small game such as rabbits and pigeons.
- BAM B26 .177 calibre air rifle
- Benelli Kite .177 calibre air pistol
- Benelli Kite Young .177 calibre air pistol
- National CO2 .177 calibre air pistol

## In other fields[edit]

**177** is also:

- The year AD 177 or 177 BC
- 177 AH is a year in the Islamic calendar that corresponds to 793 – 794 CE
- The atomic number of an element temporarily called Unseptseptium
- 177 is a Bishōjo game released for the NEC PC-8801 system by DB Soft in 1986

## See also[edit]

- List of highways numbered 177
- United Nations Security Council Resolution 177
- United States Supreme Court cases, Volume 177
- Pennsylvania House of Representatives, District 177

## External links[edit]

Wikimedia Commons has media related to .177 (number) |

- Number Facts and Trivia: 177
- The Number 177
- The Positive Integer 177
- VirtueScience: 177
- Number Gossip: 177

## References[edit]

**^**"Sloane's A249911 : 60-gonal numbers".*The On-Line Encyclopedia of Integer Sequences*. OEIS Foundation. Retrieved 2016-05-28.