177 (number)

← 176 177 178 →
← 170 171 172 173 174 175 176 177 178 179 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred seventy-seven
Ordinal	177th (one hundred and seventy-seventh)
Factorization	3 × 59
Divisors	1, 3, 59, 177
Roman numeral	CLXXVII
Binary	101100012
Ternary	201203
Quaternary	23014
Quinary	12025
Senary	4536
Octal	2618
Duodecimal	12912
Hexadecimal	B116
Vigesimal	8H20
Base 36	4X36

177 (one hundred [and] seventy-seven) 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 a 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 (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

$\begin{bmatrix} 17 & 89 & 71 \\ 113 & 59 & 5 \\ 47 & 29 & 101 \end{bmatrix}.$

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

In the military

• 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

• 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

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

In transportation

• 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 <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 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

• .177 calibre (4.5 mm) is the smallest size of pellets used in airguns
  • 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:

• 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

• 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

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