82: Information from Answers.com

82 (eighty-two) is the natural number following 81 and preceding 83.

← 81 83 → 82
← 80 81 82 83 84 85 86 87 88 89 → List of numbers — Integers 0 10 20 30 40 50 60 70 80 90 →
Cardinal	eighty-second
Ordinal	82nd (eighty-second)
Numeral system	82
Factorization	$2 \cdot 41$
Divisors	1, 2, 41, 82
Roman numeral	LXXXII
Binary	1010010₂
Octal	122₈
Duodecimal	6A₁₂
Hexadecimal	52₁₆

1 In mathematics
2 In astronomy
3 In other fields
4 In sports

In mathematics

Eighty-two is the twenty-third biprime and the twelfth of the form (2.q). The aliquot sum of 82 is 44 within the aliquot sequence (82,44,40,50,43,1,0)) 82 being the eighth composite number in the 43-aliquot tree.

Eighty-two is a companion Pell number.

Eighty-two is a happy number

In astronomy

Messier 82, a starburst galaxy in the constellation Ursa Major
The New General Catalogue object NGC 82, a single star in the constellation Andromeda
The Saros number of the solar eclipse series which began on -293 April 22 and ended on 969 May 19. The duration of Saros series 82 was 1262.1 years, and it contained 71 solar eclipses. The Saros number of the lunar eclipse series which began on -226 September 10 and ended on 1289 March 8. The duration of Saros series 82 was 1514.5 years, and it contained 85 lunar milo davis.

In other fields

Eighty-two is also:

The atomic number of lead.
In physics, the sixth Magic Number.
the model number of: Mark 82 bomb, a nonguided general purpose bomb.
the number of the French department Tarn-et-Garonne

Mark 82 bomb

.
the code for international direct dial phone calls to South Korea.
The ISBN Group Identifier for books published in Norway .
Title of Dennis Smith's book about firefighters: Report from Engine Co. 82.
The year AD 82, 82 BC, or 1982.
The sophomore studio album of Kenyan house trio Just A Band.
The number of Trip Murphy's (Matt Dillon) car in Herbie Fully Loaded (2005).
The number (*82) to unblock your caller ID for phones that block anonymous incoming calls.
Raymond counts fallen toothpicks in increments of 82 in the movie Rain Man.
The very significant number that appears at the end of Kurt Vonnegut's book "Hocus Pocus".

In sports

Both the NBA and NHL operate 82-game regular seasons.

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	The average of 78 56 73 69 82 30 55 47 60 21 73 49 89 93 59 76 70 88 100 73 97 50 65 77 53 62 80 91 76 93 51 62 73 84 99 68 81 85 74 96 82 69 72 97 54 48 61 is? Read answer...

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	What is 842578 5 2561 5 57514931658 87885472237 8 8 77 7 7 7 7 44 4 5 56 6 14 2 21 174 74 74 74 474 4 423 1 2?
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82

Contents

In mathematics

In astronomy

In other fields

In sports