171 (one hundred [and] seventy-one) is the natural number following 170 and preceding 172.
171 is an odd number, a composite number, and a deficient number. It is also a triangular number, a tridecagonal number and a 58-gonal number.
171 is a Harshad number, a palindromic number, and an undulating number. 171 is a repdigit in base 7 (333), and also in bases 18, 56, and 170.
171P/Spahr is a periodic comet in our solar system
171 Ophelia is a main belt asteroid, a member of the Themis family of asteroids
Fox Valley No. 171, Saskatchewan, Canada
171st Air Refueling Squadron unit of the Michigan Air National Guard flies the KC-135T Stratotanker
US Air Force 171st Air Refueling Wing Air Mobility Command unit of the Pennsylvania Air National Guard
171st Battalion was a unit based in Quebec City, Quebec in the Canadian Expeditionary Force during World War I
US Army 171st Infantry Brigade based at Fort Jackson, South Carolina
USS Burns (DD-171) was a United States Navy Wickes class destroyer following World War I
USS Carroll (DE-171) was a United States Navy Cannon-class destroyer escort during World War II
USS Claiborne (AK-171) was a United States Navy Alamosa-class cargo ship during World War II
USS Cuttlefish (SS-171) was a United States Navy Cachalot-class submarine during World War II
USS Granville (APA-171) was a United States Navy Haskell-class attack transport during World War II
USS Quest (SP-171) was a United States Navy patrol boat during World War I
USS Storm King (AP-171) was a United States Navy Storm King class auxiliary transport during World War II
Australian Army 171st Aviation Squadron helicopter squadron at Holsworthy Barracks near Sydney
Section 171 of the Cyprus Penal code
Article 171 of the Penal code of Brazil, defines the crime of estelionato (defrauding the unwary, i.e. a "scam" or "confidence trick"). Because of it, in Brazilian Portuguese, um-sete-um (literally, one-seven-one) became a synonym for "scam", and also "swindler" or "compulsive liar".
Article 171 of the Philippines Penal Code (falsification of public documents)
Johnny Bright rushed for a record 171 yards in the Canadian Football League 44th Grey Cup game on November 24, 1956
British Rail Class 171
London Buses route 171
SMRT Bus Service 171
171 is also:
The year AD 171 or 171 BC
E171 is Titanium dioxide
The Compaq 171FS computer monitor
JWH-171 is an analgesic drug that acts as a cannabinoid receptor agonist
Minuscule 171 is a Greek minuscule manuscript of the New Testament, on parchment
SJK 171 was one of the earliest New York City graffiti artists of the late 1960s and 1970s
171 is the Venezuelan emergency telephone number
