140

← 139 141 → 140
← 140 141 142 143 144 145 146 147 148 149 → List of numbers — Integers ← 100 110 120 130 140 150 160 170 180 190 →
Cardinal	one hundred [and] forty
Ordinal	140th (one hundred [and] fortieth)
Factorization
Divisors	1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70
Roman numeral	CXL
Binary	100011002
Octal	2148
Duodecimal	B812
Hexadecimal	8C16

140 is the natural number following 139 and preceding 141.

In mathematics

140 is an abundant number and a harmonic divisor number. It is the sum of the squares of the first seven integers, which makes it a square pyramidal number, and in base 10 it is divisible by the sum of its digits, which makes it a Harshad number.

The sum of Euler's totient function φ(x) over the first twenty-one integers is 140.

In computing

• The C-140 Gateway C-Series notebook computer
• The Dell XPS M140 low end model laptop computer
• The Macintosh PowerBook 140
• Logitech X140 computer speakers
• Fishfinder 140, sonar technology from Garmin
• The Twitter entry-character limit, a well-known characteristic of the service

In the military

• HMS Justice (W-140), a Royal Navy ship classified as a rescue tug
• Lockheed CP-140 Aurora is a Canadian Forces Air Command (AIRCOM) maritime patrol aircraft
• USS Alarm (AM-140) was a United States Navy Admirable minesweeper during World War II
• USS Brookings (APA-140) was a United States Navy Haskell class attack transport during World War II
• USS Claxton (DD-140) was a United States Navy Wickes-class destroyer
• USS General M. B. Stewart (AP-140) was a United States Navy General G. O. Squier class transport ship during World War II
• USS J. R. Y. Blakely (DE-140) was a United States Navy Edsall-class destroyer escort during World War II
• USS Situla (AK-140) was a United States Navy Crater-class cargo ship during World War II

In sports

• The 140th Belmont Stakes was won by Da' Tara on June 7, 2008
• MLB players with 140 career home runs include Pinky Higgins and Terry Pendleton

In transportation

• A140 Road in Norfolk and Suffolk, East Anglia, England
• Highway 140 in the Niagara region of Ontario
• Interstate 140 in North Carolina and Tennessee
• K-140 state highway in Kansas
• M-140 state highway route in Michigan
• U.S. Route 140 was a U.S. highway connecting Baltimore, Maryland to Gettysburg, Pennsylvania
• Lockheed JetStar C-140A and C-140B business jet produced from the early 1960s through the 1970s
• London Buses route 140 is a Transport for London contracted bus route in London
• The 140 C Ouest steam locomotive
• The Cessna 140 is a single engine, two-seat, light general aviation aircraft first produced in 1946
• China Airlines Flight 140 crashed en route from Taipei, Taiwan to Nagoya, Japan. on April 26, 1994
• The Hunter 140 dinghy
• The Pamlico 140 beginner's Recreational-style kayak
• The Toyota Corolla E140

In other fields

140 is also:

• The year AD 140 or 140 BC
• 140 AH is a year in the Islamic calendar that corresponds to 757 – 758 CE
• 140 Siwa is a large and dark main belt asteroid
• The age that Job died at (Bible, Job 42:16)
• The atomic number of Unquadnilium, a temporary chemical element
• Psalm 140
• Sonnet 140 by William Shakespeare
• Latvia ranks #140 in world population
• Hotels such as the Hotel 140 (140 Clarendon Street, Boston), and the Maison 140 (140 Lasky Drive, Beverly Hills)
• The Verizon Building at 140 West Street, New York City, adjacent to the World Trade Center site
• I-140 Petition for Immigrant Worker form in the Permanent residence process
• PRO 140 antibody found on T lymphocytes of the human immune system
• Telephone Directory assistance in Egypt

See also

• List of highways numbered 140
• United Nations Security Council Resolution 140
• United States Supreme Court cases, Volume 140

External links

• The Number 140 at The Database of Number Correlations