99 (NUMBER)

Cardinal	99 ninety-nine
Ordinal	99th ninety-ninth
Factorization	$3^2\; cdot\; 11$
Divisors	1, 3, 9, 11, 33, 99
Roman numeral	XCIX
Binary	1100011
Hexadecimal	63

Contents

In mathematics

In science

In astronomy

In sports

In other fields

In mathematics

'Ninety-nine' is the ninth repdigit, a palindromic number and a Kaprekar number.
It is the sum of divisors of the first eleven positive integers.

In science

★ The atomic number of einsteinium, an actinide.

In astronomy

Messier object M99, a magnitude 10.5 spiral galaxy in the constellation Coma Berenices.
The New General Catalogue object NGC 99, a magnitude 13.7 spiral galaxy in the constellation Pisces.

In sports

The National Hockey League retired Wayne Gretzky's number 99, making it the only number retired throughout the entire league.

In other fields

'Ninety-nine' is also:

★ Often used as a qualifier for something which is almost but not quite certain: "Ninety-nine percent sure."

★ The designation of American Interstate 99, a freeway in Pennsylvania, planned to be extended into New York.

★ A card game, Ninety-nine.

★ In the marketing practice of psychological pricing, 99 is a common price ending (e.g. $1.99 as opposed to $2).

★ A 99 cents store that sells cheap items for a dollar or less (similarly 99p shops in the UK).

★ The name of the Australian indie band ninetynine.

★ The name of a Japanese comedic duo best known for their show Mecha-Mecha Iketeru!. (Takashi Okamura & Hiroyuki Yabe), Ninety-Nine (comedian)

★ Greg Moore's Champ Car car number. It was retired after his fatal accident.

★ The name of the New England chain Ninety-Nine Restaurant and Pub.

★ Number of balloons in early 1980s German pop song by Nena, ''99 Luftballons'' (also released in English as ''99 Red Balloons'', the latter of which was also covered by Goldfinger)

★ The spoof of the above-named song, by Tom Cavenaugh, "99 Dead Baboons"

★ The number of names of God according to the Koran

★ 99 (song), a song from Toto's second album titled ''Hydra''

★ A brand of tea produced by The Co-operative Group in the United Kingdom since 1930.

★ The year AD '99', 99 BC, or 1999.

★ 99 Records, a record label.

★ Saab 99

★ The 99 is a comic series based on Islamic culture.

★ In the UK and Ireland, a 99 Flake ice cream, or more commonly just 99, is a standard ice cream cornet, usually made with soft, rather than scooped, ice cream, into which a chocolate Flake bar is inserted, typically at a 45-degree angle. They are traditionally sold by ice cream vans and parlours and are a typical summer holiday treat for most British and Irish people. Variations include a 99 with two flakes and a 99 with strawberry, raspberry or chocolate topping sauce.