110 (number)

← 109 110 111 →
← 110 111 112 113 114 115 116 117 118 119 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred ten
Ordinal	110th (one hundred tenth)
Factorization	2 × 5 × 11
Divisors	1, 2, 5, 10, 11, 22, 55, 110
Greek numeral	ΡΙ´
Roman numeral	CX
Binary	11011102
Ternary	110023
Senary	3026
Octal	1568
Duodecimal	9212
Hexadecimal	6E16

110 (one hundred [and] ten) is the natural number following 109 and preceding 111.

In mathematics

110 is a sphenic number and a pronic number. Following the prime quadruplet (101, 103, 107, 109), at 110, the Mertens function reaches a low of −5.

110 is the sum of three consecutive squares, $110=5^{2}+6^{2}+7^{2}$.

RSA-110 is one of the RSA numbers, large semiprimes that are part of the RSA Factoring Challenge.

In base 10, the number 110 is a Harshad number and a self number.

In science

• The atomic number of darmstadtium.

In religion

• According to the Bible, the figures Joseph and Joshua both died aged 110.

In sports

Olympic male track and field athletics run 110 metre hurdles. (Female athletes run the 100 metre hurdles instead.)

The International 110, or the 110, is a one-design racing sailboat designed in 1939 by C. Raymond Hunt.

In other fields

110 is also:

• The years AD 110 or 110 BC
• A common name for mains electricity in North America, despite the nominal voltage actually being 120 V (range 110–120 V). Normally spoken as "one-ten".
• 1-1-0, the emergency telephone number used to reach police services in Iran, Germany, Estonia, China, Indonesia, and Japan. Also used to reach the fire and rescue services in Norway and Turkey.
• The age a person must attain in order to be considered a supercentenarian.
• A card game related to Forty-five (card game).
• A percentage in the expression "To give 110%", meaning to give a little more effort than one's maximum effort
• The number of stories of each of the towers of the former World Trade Center in New York.
• The number of stories (by common reckoning) of the Sears Tower in Chicago.
• The TCP port used for POP3 email protocol
• A 110 block is a type of punch block used to connect sets of wires in a structured cabling system.
• The abjad (ابجد) translation of word "علی" (Ali) in Arabic and Persian.
• Lowest number to not be considered a favourite by anyone among 44,000 people surveyed in a 2014 online poll and subsequently adopted by British television show QI as the show's favourite number in 2017.

Eleventy

Compare twelfty.

As 110

• One hundred and ten is also known as "eleventy", a term made famous in its ordinal form by linguist and author J. R. R. Tolkien (Bilbo Baggins celebrates his eleventy-first birthday at the beginning of The Lord of the Rings) and derived from the Old English hund endleofantig.
• Eleventy is used in the comic reading of a phone number in the Irish TV series The Savage Eye by Dave McSavage playing an opiate user advertising life insurance.

Other meanings of eleventy

• Eleventy is the name of open-source software for building websites.
• Eleventy has also been used to mean an indefinite large number - "lots". Similarly eleventy-eleven was used in nineteenth century Mississippi in the same role.

See also

• 110s decade
• List of highways numbered 110
• List of 110th Street, New York City Subway stations
• 110 film