168 (number)

168 is the natural number following 167 and preceding 169.

List of numbers — Integers << 160 161 162 163 164 165 166 167 168 169 >>
Cardinal	One hundred [and] sixty-eight
Ordinal	168th
Factorization	$2^3 \cdot 3 \cdot 7$
Roman numeral	CLXVIII
Binary	10101000
Hexadecimal	A8

In mathematics

• 168 is an even number
• 168 is an abundant number, as 312 is greater than 168
• 168 is a composite number
• There are 168 primes less than 1000
• 168 is the order of the group PSL(2,7), the second smallest nonabelian simple group
• From Hurwitz's automorphisms theorem, 168 is the maximum possible number of automorphisms of a genus 3 Riemann surface, this maximum being achieved by the Klein quartic, whose symmetry group is PSL(2,7). The Fano plane has 168 symmetries
• Factors of 168: 2 x 2 x 2 x 3 x 7
• Divisors of 168: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168
• 168 is the sum of four consecutive prime numbers: 37 + 41 + 43 + 47
• 168 is the product of first two perfect numbers.

In astronomy

• 168P/Hergenrother is a periodic comet in our solar system
• 168 Sibylla is a dark Main belt asteroid

In geography

• The 168th meridian east and 168th meridian west

In the military

• USNS Catawba (T-ATF-168) is a the United States Navy fleet tugboat
• USS Amick (DE-168) was a United States Navy Cannon class destroyer escort during World War II
• USS Charlevoix (AK-168) was a United States Navy Alamosa-class cargo ship during World War II
• USS Gage (APA-168) was a United States Navy Haskell-class attack transport during World War II
• USS Maddox (DD-168) was a United States Navy Wickes class destroyer during World War I
• USS Nautilus (SS-168) was a United States Navy Narwhal class submarine during World War II
• USS Southland (IX-168) was a United States Navy steamer during World War II
• USS War Hawk (AP-168) was a LaSalle Class transport during World War II

In movies

• The 168 Film Project in Los Angeles

In music

• Blazin Squad’s song “Where The Story Ends” (2002) includes lyrics, “In a week there's seven days. 168 hours and a million ways”
• Omarion’s song “Never Gonna Let You Go (She's a Keepa)“ includes lyrics, “I’ll grill you from Thursday to Thursday. 7 days, 1 week, 168 hours”

In population

• Suriname ranks #168 in world population
• U.S. towns with a population of 168 in the 2000 census include:
  • Alden, Kansas
  • Bassett, Arkansas
  • Cedar, Nebraska
  • Clara Township, Pennsylvania
  • Dennison, Minnesota
  • Estelline, Texas
  • Ferris, Illinois
  • Hallett, Oklahoma
  • Hubbard, Wisconsin
  • Ithaca, Nebraska
  • Kettle River, Minnesota
  • La Feria North, Texas
  • Le Flore, Oklahoma
  • Logan, Nebraska
  • Lohman, Missouri
  • Morrowville, Kansas
  • New Baltimore, Pennsylvania
  • Pershing, Nebraska
  • Pickstown, South Dakota
  • Quitman, Louisiana
  • Shamrock Lakes, Indiana
  • Sidney, Indiana
  • Summit, Wisconsin
  • Twin Lakes, Minnesota

In sports

• José Hernández hit 168 home runs in his MLB career
• Shoeless Joe Jackson hit 168 triples in his MLB career
• MLB pitchers with 168 wins in their career include Bob Forsch and Dave Stewart
• NFL quarterback Drew Brees had 168 touchdowns with the San Diego Chargers (2001–2005) and New Orleans Saints (2006 through the 2008 season)
• Three-time Olympic gold medalist in the hammer throw, John Flanagan set a world record in 1904 (168 feet, 1 inch)
• Australian cricket captain Michael Clarke's highest Test score is 168

In theatre

• The original Broadway production of The New Yorkers opened at The Broadway Theatre on December 8, 1930, and closed the following May after 168 performances
• Knickerbocker Holiday is a Broadway musical opened at the Ethel Barrymore Theatre on October 19, 1938 and closed March 11, 1939 after 168 performances
• A Day in Hollywood / A Night in the Ukraine opened at London's Mayfair Theatre on March 28, 1979 and ran for 168 performances

In transportation

• New York City Subway stations
  • 168th Street (New York City Subway); a subway station complex at 168th Street and Broadway consisting of:
    • 168th Street (IRT Broadway – Seventh Avenue Line); serving the 1 train
    • 168th Street (IND Eighth Avenue Line); serving the A C trains
  • 168th Street (BMT Jamaica Line); was the former terminal of the BMT Jamaica Line in Queens
• British Rail Class 168
• RATB route 168; a bus route in Romania
• VASP Flight 168 from Rio de Janeiro, Brazil to Fortaleza; crashed on June 8, 1982
• Highways and routes numbered 168 include:
  • Alabama State Route 168
  • Connecticut Route 168 in Connecticut and Massachusetts
  • Indiana State Road 168
  • Kentucky Route 168
  • Maryland Route 168
  • M-168 (Michigan highway)
  • Missouri Route 168
  • Nevada State Route 168
  • New Jersey Route 168
  • North Carolina Highway 168
  • Ohio State Route 168
  • Pennsylvania Route 168
  • Tennessee State Route 168
  • Texas State Highway 168
    • Texas State Highway Loop 168
  • Utah State Route 168
  • Virginia State Route 168
  • Washington State Route 168 (proposed)
  • Wisconsin Highway 168
  • National Route 168 connects Shingū, Wakayama, Japan and Hirakata, Osaka, Japan
  • Malaysia Federal Route 168, Langkawi Island, Kedah, Malaysia

In TV and radio

• The Rifleman ran on ABC from 1958 to 1963 for 168 episodes
• Hogan's Heroes ran on CBS from 1965 to 1971 for 168 episodes
• The Mary Tyler Moore Show ran on CBS from 1970 to 1977 for 168 episodes. The final episode originally aired March 19, 1977
• Barney Miller ran on ABC from 1975 to 1982 for 168 episodes
• The Practice ran on ABC from 1997 to 2004 for 168 episodes
• Channel 168 on The Dish Network is Spike
• Channel 168 on Sirius XM Satellite Radio is Fox News Talk

In other fields

168 is also:

There are 168 pips on a double-six set of dominoes

• The year AD 168 or 168 BC
• 168 AH is a year in the Islamic calendar that corresponds to 784 – 785 CE
• The number of hours in a week, or 7 x 24 hours
• In the game of dominoes, tiles are marked with a number of spots, or pips (or are blank). The Double 6 set (28 tiles) totals 168 pips
• Tracy 168, a New York City writer
• The Superman: Krypton Coaster 168 feet (51 m) high roller coaster at Six Flags Fiesta Texas
• Minuscule 168 is a Greek minuscule manuscript of the New Testament
• 168 is the death toll of the 1995 Oklahoma City bombing.

See also

• List of highways numbered 168
• United States Supreme Court cases, Volume 168
• United Nations Security Council Resolution 168

External links

• Number Facts and Trivia: 168
• The Number 168
• The Positive Integer 168
• Prime curiosities: 168
• VirtueScience: 168
• International Association of Firefighters Local 168, Paducah, KY
• International Alliance of Theatrical Stage Employees Local 168, Vancouver Island, Canada

References

• This Week's Finds in Mathematical Physics