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, 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 other fields

110 is also:

• A percentage in the expression "To give 110%", meaning to give a little more effort than one's maximum effort
• 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 has been used to mean an indefinite large number - "lots". Similarly eleventy-eleven was used in nineteenth century Mississippi in the same role. Eleventy is the name of an Italian luxury clothing brand.