177 (number)
177 is the natural number following 176 and preceding 178.In mathematics
- 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 27 + 72
- 177 is a square-free number
- 177 is an Ulam number
- 177 is a 60-gonal number
- Divisors of 177: 1, 3, 59, 177
- 177 is a semiprime: a product of two prime numbers
- Since the prime factors 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
- 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
- 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
- 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
- was a United States Navy Shearwater-class miscellaneous auxiliary ship during World War II
- was a United States Navy Cimarron-class oil tanker from 1978 to 1981
- was a United States Navy transport ship following World War II
- was a United States Navy ship during World War II
- was a United States Navy following World War I
- was a United States Navy Porpoise-class submarine during World War II
- was a United States Navy during World War II
- 177th Fighter Wing is an Air National Guard fighter unit at Atlantic City International Airport, New Jersey
In transportation
- Cessna 177 aircraft
- Aston Martin One-77
- London Buses route 177
- New York City Subway stations include:
- * Parkchester, a station at East 177th Street and Westchester Avenue, The Bronx, serving the trains
- * West Farms Square – East Tremont Avenue, a station at 177th Street and East Tremont Avenue, The Bronx, serving the trains
- * 175th Street, a station at 175th Street and Fort Washington Avenue, Manhattan, serving the train
- * Tremont Avenue – 177th Street, a demolished station at Tremont and Third Avenues in the Bronx
.177 calibre
- .177 calibre 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
177 is also:
