117 (one hundred and seventeen) is the natural number following 116 and preceding 118.

? 116 118 ? 117
? 110 111 112 113 114 115 116 117 118 119 ? List of numbers ? Integers ? 100 110 120 130 140 150 160 170 180 190 ?
Cardinal	one hundred and seventeen
Ordinal	117th (one hundred and seventeenth)
Numeral system	114
Factorization
Divisors	1, 3, 9, 13, 39, 117
Roman numeral	CXVII
Binary	11101012
Octal	1658
Duodecimal	9912
Hexadecimal	7516

In mathematics

One hundred seventeen is the smallest possible length of the longest side of a Heronian tetrahedron (one whose sides are all rational numbers).¹²

117 is a pentagonal number.

In base 10, it is a Harshad number.

In astronomy

• In astronomy, the Saros number of the solar eclipse series which began on 792 June at 05:51:16 UT and will end on 2054 August at 18:01:55 UT. The duration of Saros series 117 is 1262.11 years, and it contains 71 solar eclipses.
• The Saros number of the lunar eclipse series which began on 1094 April at 17:26:38 UT and will end on 2374 May at 19:33:35 UT. The duration of Saros series 119 is 1280.14 years, and it contains 72 lunar eclipses.
• The NGC (New General Catalog) 1 object 117, a 15th magnitude spiral galaxy in the constellation Cetus
• 117 Lomia is a large main belt asteroid

In the military

• US Air Force F-117 Nighthawk Stealth Fighter
• USNS Mission Los Angeles (T-AO-117) was a United States Navy Mission Buenaventura Class fleet oilers during World War II which launched August 10, 1945
• USS Dorsey (DD-117) was a United States Navy Wickes class destroyer during World War I which launched April 9, 1918
• USS Gemsbok (IX-117) was a United States Navy Armadillo-class tanker which launched on November 9, 1943
• USS Haskell (APA-117) was a United States Navy her class of attack transports during World War II which launched June 13, 1944
• USS Saidor (CVE-117) was a United States Navy Commencement Bay class escort carrier from 1944 to 1947
• USS Strive (AM-117) was a U.S. Navy Auk-class minesweeper for removing mines, which launched on May 16, 1942
• USS Wateree (ATF-117) was a fleet ocean tug which launched in June 1944
• Wallbangers (VAW-117) is a United States Navy AEWs squadron which operates from the USS Nimitz

In TV

• The TV series ?The Brady Bunch? ran on ABC from 1969 to 1974 for 117 episodes
• The TV series ?Crossing Jordan? ran on NBC from 2001 to 2007 for 117 episodes

In other fields

One hundred seventeen is also:

• The year AD 117 or 117 BC.
• 117 AH is a year in the Islamic calendar that corresponds to 734 ? 735 CE
• April 27 is the 117th day of the year, except in leap years when April 26 is
• The atomic number of an undiscovered element temporarily called ununseptium
• A substitute for the number 17, which is considered unlucky in Italy. When Renault exported the R17 to Italy, it was renamed R117
• Costa Rica ranks #117 in world population
• Texas Instruments BOLT-117 (BOmb, Laser Terminal-117), was the world's first laser guided bomb in 1967
• 117 (1998) was the second album by musician Izzy Stradlin
• OSS 117: Cairo, Nest of Spies (2006) is a French film directed by Michel Hazanavicius about French secret agent, OSS 117
• 117 film format used by Kodak's first Brownie camera. See 120 film.
• The number to call Guardia di Finanza for customs/financial/border police in Italy
• The fire emergency telephone number in Portugal
• 1-1-7 is the national emergency telephone number in the Philippines
• The police emergency telephone number in Switzerland
• Master Chief Petty Officer John-117, protagonist in the Halo series
• OSS 117 is the codename for Hubert Bonisseur de La Bath, a fictional secret agent from Jean Bruce
• The MBB/Kawasaki BK 117 twin-engined medium utility/transport helicopter
• STS-117 was a Space Shuttle mission flown by Space Shuttle Atlantis on June 8, 2007
• Sonnet 117 by William Shakespeare
• London Bus route 117 is a Transport for London contracted bus route in London
• West 117th?Madison Avenue Highland Square is a station on the RTA Red Line in Cleveland, Ohio
• M-117 is a 14.5 mile long state highway route in Michigan
• The R117 road in Dublin, Ireland
• GL-117 is an open source action flight simulator for Windows, Linux and Mac
• Cemetery 117 is an ancient cemetery discovered in 1964 near Sudan, approximately 13,140 to 14,340 years old.
• The 117th Kentucky Derby was won by Strike the Gold on May 4, 1991
• The 117th Westminster Kennel Club Dog Show was won by Ch. Salilyn's Condor, an English Springer Spaniel on February 8, 1993
• The 117th annual Tournament of Roses Parade was held January 1, 2006
• Marie-Louise Meilleur, at the time of her death at 117 years and 230 days in 1998, was recognized as the world?s oldest person
• Kincaid Lawrence "Cade" Foster AKA Subject 117 was the main protagonist in the science fiction show First Wave *The number of colonists that disappeared from Roanoke Island in the late 1500s, leaving only the word "Croatoan" carved on a tree.

See also

• List of highways numbered 117
• National longevity recordholders
• Oldest people

References

1. ^ Ivars Peterson, "Perfect Pyramids" MAA Online July 28, 2003
2. ^ Weisstein, Eric W. "Heronian Tetrahedron." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/HeronianTetrahedron.html

External links

• Teamsters Local 117

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Year 117 (CXVII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.

Events

By place

Roman Empire

• Trajan subdues a Jewish revolt (the Kitos War), then falls seriously ill, leaving Hadrian in command of the east.
• On his death bed, Trajan adopts Hadrian and designates him as his successor.
• August 9?Emperor Trajan dies, leaving the Roman Empire at its maximal territorial extent.
• Hadrian, who will reign until 138, succeeds him.
  • Hadrian, a Spaniard like Trajan, is an excellent officer who has had a brilliant career. He is well-cultured man, who as Emperor inaugurates a civil government, giving up the policy of conquest of his predecessor in order to consolidate the empire.
• Hadrian returns large parts of Mesopotamia to the Parthians as part of a peace settlement.
• Construction begins on the Pantheon in Rome.

By topic

Religion

• John I becomes the 7th Bishop of Jerusalem.

Births

• Aelius Aristides, Greek orator

Deaths

• Hermione of Ephesus, Maurus, Pantalemon and Sergius, Astius and several others ? Christian martyrs in persecution of Trajan
• August 9?Trajan, Roman emperor (illness)
• Gaius Cornelius Tacitus, Roman historian (approximate date)

The Roman Empire reached its maximal extent between 116 and 117 AD.