180: Information from Answers.com

180 is the natural number following 179 and preceding 181.

List of numbers — Integers

<< 180 181 182 183 184 185 186 187 188 189 >>

Cardinal

One hundred [and] eighty

Ordinal

180th

Factorization

$2^2 \cdot 3^2 \cdot 5$

Divisors

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180

CLXXX

10110100

130

In mathematics

180 is an even number
180 is an abundant number, as 366 is greater than 180
180 is a composite number
180 is a highly composite number, a positive integer with more divisors than any smaller positive integer
180 has 18 divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
180 is a Harshad number in base 10
180 is a 61-gonal number
180 is a practical number
180 is a Ulam number
180 is a digitally balanced number: in its binary numeral system representation, it has the same number of zeros as ones (10110100)
Factors of 180: 2 × 2 × 3 × 3 × 5
180 is the sum of 2 square numbers: 12² + 6²
180 is the sum of Euler's totient function φ(x) over the first + 24 integers
180 is the sum of six consecutive primes: 19 + 23 + 29 + 31 + 37 + 41
180 is the sum of eight consecutive primes: 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37

180 degrees

The 180th meridian or antimeridian is the meridian defined as 180 degrees (°) longitude. It is the line of longitude exactly opposite the Prime Meridian
Antipodal points on a circle are 180 degrees apart
Radian is a unit of plane angle, equal to 180/π degrees
Reversing, or U-turn in driving refers to performing a 180 degree rotation in order to reverse direction of travel
Szilassi polyhedron has an axis of 180-degree symmetry
180 degrees is the spread, or difference, between the freezing and boiling points of water on the Fahrenheit scale
A bootleg turn is a radical driving maneuver intended to reverse the direction of travel of a forward-moving automobile by 180 degrees in a minimum amount of time
A backside 180 kickflip in aerial skateboarding
Angles equal to two right angles (180 degrees) are straight angles
In normal space, the interior angles of a triangle add up to 180 degrees
Internal angles of a triangle in Euclidean space add up to 180 degrees
The 180 degree rule in film editing guideline states two in the same scene should always have the same left/right relationship to each other
The International Date Line is an imaginary line on the surface of the Earth opposite the Prime Meridian along 180 degrees longitude
The program 180° The Other Side of the News, on Sky News Australia
When two planets are apart 180 degrees, they are considered to be in opposition
180 Degree is a 2004 CD by MC Mong
180° is the sixth studio album of Latin rap artist Gerardo released in 2004
180º Emotional Ollie is a 2004 song by the Ergs on their Dorkrockcorkrod CD

In amusement parks

Adventureland in Altoona, Iowa is 180 acres long
Roller coaster rides which are 180 ft. in height include:
- Fearless Freep's Daredevil Dive, Six Flags Over Georgia
- RipCord, Valleyfair
- Sky Coaster, Schlitterbahn Waterpark Resort
- Skycoaster, Darien Lake Theme Park Resort
- Skycoaster, Kennywood
- Skycoaster, Lake Compounce
- Skycoaster, Six Flags Kentucky Kingdom
- Ultimate Rush, Ultimate Rush Speed & Thrill Park, Reno, Nevada

In astronomy

180 Garumna is a Main belt asteroid
A Japanese spacecraft landed on an asteroid 180 million miles from Earth in 2005

In computing

The Apple PowerBook 180 portable computer released in 1992
The 180 nanometer (180 nm or 0.18 µm) semiconductor process technology 1999-2000, by companies like Intel, Texas Instruments, IBM, and TSMC
Treo 180 is a PDA/communication device made by Handspring
180SearchAssistant is an adware program that displays pop-ups based on a user's browsing habits

In geography

The main entrance hall of the Colorado State Capitol is open 180 feet to the top of the dome, about the height of an 18-story building
The Hunsecker's Mill Covered Bridge in Lancaster County, Pennsylvania is 180 feet long
Lagunas de Mejia National Sanctuary, on the coast of Arequipa, Peru, has 180 types of birds
The Round Valley Reservoir in Clinton, New Jersey reaches depths of 180 feet
VerKeerderkill Falls is the highest waterfall in Sam's Point Preserve in the Shawangunk Mountains in Ulster County, New York at 180 feet tall
The Wilson River Bridge in Tillamook, Oregon covers a span of 180 feet
Davison's, 180 Peachtree Street, Atlanta
The Winecoff Hotel, 176 Peachtree Street NW, Atlanta
The Mayfair Mall in Wauwatosa, Wisconsin contains over 180 stores on two levels

In the military

180th Airlift Squadron unit of the Missouri Air National Guard at Rosecrans Air National Guard Base, Saint Joseph, Missouri
180th Battalion (Sportsmen), CEF unit of the Canadian Expeditionary Force during the World War I
180th Fighter Wing United States Air Force unit assigned to the Ohio Air National Guard at Toledo Express Airport, Ohio
Standard Form 180, Request Pertaining to Military Records authorization form of the U.S. military
USNS David C. Shanks (T-AP-180) was a U.S. Navy troop transport during World War II
USS Fentress (AK-180) was a U.S. Navy Alamosa-class cargo ship following World War II
USS Flamingo (IX-180) was a U.S. Navy Flamingo-class coastal minesweeper during World War II
USS Lavaca (APA-180) was a U.S. Navy Haskell-class attack transport during World War II
USS Pollack (SS-180) was a U.S. Navy a United States Porpoise-class submarine during World War II
USS Sentinel (SP-180) was a U.S. Navy motorboat built ship during World War I
USS Stansbury (DD-180) was a U.S. Navy Wickes class destroyer during World War I
USS Trumpeter (DE-180) was a U.S. Navy Cannon class destroyer escort ship during World War II
USS Willamette (AO-180) was a U.S. Navy Cimarron-class fleet replenishment oiler from 1981-1999
USCG Seagoing Buoy Tender U.S. Coast Guard 180-class cutters. Among those 180 feet long:

Class A (Cactus)

Class B (Mesquite)

Class C (Iris)

In movies

Joy Scouts is the 180th Our Gang short comedy film, released on June 24, 1939
Horsing Around is the 180th short starring the Three Stooges released September 12, 1957
McQ (1974) was the 180th film featuring actor John Wayne
Actor Henry Jones appeared in over 180 movies and television shows
Volée Air Flight 180 - A Boeing 747-200 aircraft in the 2000 thriller Final Destination, based on the real-life 1996 crash of TWA Flight 800
No. 5 The Film (2004) is a 180-second short film with a budget of $42,000,000
Strange New World (1975) is about astronauts who return to Earth after a 180-year orbit of the Sun
The Reagans, a 180-minute television movie, aired on CBS on November 30, 2003

In music

A.M. 180 is a 1998 song by the rock group Grandaddy on the album Under the Western Freeway
Gary Glitter charted 26 hit singles between 1972 - 1995 which spent 180 weeks in the UK Top 100
Group 180 was a Hungarian ensemble during 1978-1990
The Definitive Collection (2001) by ABBA ranked #180 on Rolling Stone magazine's list of the 500 greatest albums of all time
180, A pseudonym for Japanese music composer Naoki Maeda (as used in “Paranoia”)
Among Sony/ATV Music Publishing’s most valuable holdings is the Northern Songs catalogue of 180 songs written by The Beatles (mostly by Lennon/McCartney)
The "Cumana Song" is a mambo (1947) with a suggested tempo of 180 beats per minute
The song "Hey Ya!" (2003) by Outkast ranked # on Rolling Stone magazine's list of The 500 Greatest Songs of All Time
"One Eight Zero" is the name of a song by the band Grendel.

In population

Saint Lucia ranks #180 in world population
Liberia ranks #180 in countries by population density
Monaco ranks #180 in countries by population growth rate, according to the United Nations
Pakistan's population of 172,800,000 is expected to reach nearly 180 million by end of the decade
Snop, Bulgaria has a population of about 180
Roč, Croatia has a population of 180 people
Brent Eleigh, England had a population of 180 in 2005
Little Whelnetham, England had a population of 180 in 2005
Westley, England had a population of population of 180 in 2005
Megali Mantineia, Greece had a population of 180 in 2001
Reuler, Luxembourg had a population of population of 180 in 2005
Wezuperbrug, Netherlands has a population of about 180

U.S. towns with a population of 180 in the 2000 census include:

In sports

A trick in extreme sports where a rider rotates half a turn while airborne and lands
Sam Chapman had 180 career career home runs
Professional boxer Henry Armstrong fought in 180 fights (149-21, 10 draws)
Canadian horse racing jockey Emma-Jayne Wilson had 180 wins in 2005
British flat racing champion jockey Ryan L. Moore had 180 wins in 2006
Peruvian football star Teodoro Fernández had 157 goals in 180 matches
NFL quarterback Rich Gannon had 180 touchdowns in his career from 1987-2004
The maximum possible score in one turn at darts (three treble 20s). 180 was a 1986 darts video game

In three minutes

180 seconds (or three minutes)
- Soundies were 3-minute musical films from 1940–1946
- 3 Minute Wonder on Channel 4 in the United Kingdom
- 3-Minute Rule song by the Beastie Boys
- Disney Channel's 3 Minute Game Show
- Mr. 3 Minutes, a 2006 film about making decisions and accomplishing tasks in 3 minutes
- The Three Minute Chatshow comedy radio show
- The Three-Minute Universe, a Star Trek: The Original Series novel
- Three Minute Moments, a 2007 British comedy feature film about speed dating
- Three Minutes, an episode of Lost
- Three-minute pop song describes the average time of a pop single
- 3-Minute warning in football
- 3-minute egg timer
- Sextuplets born in 180 seconds

In transportation

Airplanes

The Cessna 180 airplane
The Bücker Bü 180 Student was German two-seat sporting/training aircraft in the 1930s
The Piaggio P.180 Avanti twin-engine airplane
The Rennes - Saint-Jacques Airport main runway is fitted for middle-range flights, of planes with up to around 180 passengers

Automotive

The Chrysler 180 was the base name for a series of large saloon cars produced by Chrysler Europe
The Mercedes-Benz W120 and W121 Ponton cars produced from 1953-1962 under model numbers 180 and 190
The Nissan 180SX hatchback coupe based on the S13 chassis from the Nissan S platform
The Packard 180 introduced in 1940 by the Packard Motor Car Company to replace the discontinued V-12 as their top-of-the-line luxury model
The Simca Type 180 automobile straight-4 engine produced in the 1970s
The Turbo-Hydramatic 180 was an automatic transmission developed by General Motors

Buses

London Buses route 180
Renault PR 180-2 Articulated Bus articulated bus chassis by Renault
Hong Kong’s New World First Bus has an annual ridership of 180 million passengers
Panyu Public Transport, Guangdong, China has a fleet of 180 buses
The Gallatin, Tennessee bus system has 180 bus routes
The Hendersonville, Tennessee bus system has 180 bus routes

Highways

Highways and routes numbered 180 include:
- Interstate 180
  - I-80 (Illinois)
  - I-80 (Nebraska)
  - I-80 (Pennsylvania)
  - I-80 (Wyoming)
- U.S. Route 180 runs from Tusayan, Arizona to Hudson Oaks, Texas
- Alabama State Route 180
- Arizona State Route 180A
- Arkansas Highway 180
- California State Route 180
- Georgia State Route 180
- Illinois Route 180
- Kentucky Route 180
- Maryland Route 180
- M-180 (Michigan) (former)
- Missouri Route 180
- New York State Route 180
- Ohio State Route 180
- Oregon Route 180
- Tennessee State Route 180
- Texas State Highway 180
- Virginia State Route 180
- West Virginia Route 180
- Wisconsin Highway 180
- Winnipeg Route 180
- Pyrenees Highway, B180, western Victoria, Australia
- A180, Northern England
- Route 180 connects Okayama, Okayama and Matsue, Shimane, Japan
- North-South Port Link Federal Route 180 in Klang Valley, Malaysia
- Mexican Federal Highway 180

Rails

British Rail Class 180
New York City Subway at 180th Street, Bronx, New York
- 180th Street–Bronx Park former elevated station on the IRT White Plains Road Line 2 and 5 trains
- 180th Street was the former station terminal for the defunct IRT Third Avenue Line which closed April 28, 1973
- East 180th Street rail yard

In TV and radio

180 lines was an early electronic television system
I Love Lucy ran on CBS from 1951 - 1957 with 180 episodes
Family Ties ran on NBC from 1982 - 1989 with 180 episodes
The Golden Girls ran on NBC from 1985 - 1992 with 180 episodes
Seinfeld ran on NBC from 1989 - 1998 with 180 episodes. Its finale originally aired May 14, 1998
The Principal and the Pauper, the 180th episode of the FOX animated television series The Simpsons, originally aired on September 28, 1997
Chaos Theory, the 180th episode of the NBC series ER, originally aired on September 26, 2002
Care-Takin’ Care of Business, the 180th episode of the FOX animated television series King of the Hill, originally aired on March 13, 2005
Elementary School Musical, the 180th episode of the Comedy Central animated television series South Park, originally aired on November 12, 2008
The Canadian children's television show Polka Dot Shorts ran on TVOntario from 1993-2001 with 180 episodes
Rachael Carpani appeared on the Australian TV show McLeod's Daughters from in 180 episodes from 2001 - 2008
Channel 180 on The Dish Network is ABC Family (HD)
Channel 180 on XM Satellite Radio is MLB Play-by-Play

In other fields

180 is also:

The year AD 180 or 180 BC
The atomic number of an element temporarily called Unoctnilium
180 minutes is 3 hours, as in a 180-minute videotape
180 is an astrological aspect considered to be negative in influence
Stuntman Karel Soucek dropped 180 feet in a barrel above the floor of the Astrodome on January 19, 1995
180 is the beginning of 1-800 toll-free telephone number calls
Scores on the Law School Admission Test (LSAT) are converted to a scaled score from 120 - 180, with the median about 151
180 is a lightly carbonated citrus energy drink
Many U.S. states have required 180-day school years
The RD-180 is a dual-combustion chamber, dual nozzle, Russian-developed rocket engine, derived from the RD-170 used in Zenit rockets
180/Movement for Democracy and Education, a U.S. national campus activist organization active from 1998-2004
The U.S. Food and Drug Administration offers a 180-day exclusivity period to generic drug manufacturers. One (or a few) generic manufacturers can produce the generic version of a drug
Lithol Rubine BK, food dye classification # E180
The Hollywood Wax Museum displays house 180 wax figures of movie and TV personalities as well as characters

External links

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