42 number

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42 is the natural number following 41 and followed by 43.

Template:Numbers 40s
Cardinal forty-two
Ordinal42nd (forty-second)
Factorization2 × 3 × 7
Divisors 2, 3, 6, 7, 14, 21
Roman numeralXLII
Binary101010
Hexadecimal2A
IEEE Float42.0 = 42280000 hexadecimal
Hebrewמב (Mem Bet)

In mathematics

This composite number's factorization makes it a sphenic number. It is also the third 15-gonal number, a Catalan number, a meandric number, an open meandric number, a Harshad number and a self number. It is bracketed by twin primes.

In astronomy

In religion

In pop culture

The number 42 is The Ultimate Answer to Life, the Universe and Everything, according to Douglas Adams' book The Hitchhiker's Guide to the Galaxy. Numerous others have parodied the already facetiously portrayed mysticism of 42 and it is speculated that the following references are derived from Adams' original use:

It is also interesting to note that 47 shares 42's status as a cult figure integer, and tongue-n-cheek legends concerning these numbers are numerous.

In other fields

Forty-two is also:

External Links

da:42 (tal) de:Zweiundvierzig es:Cuarenta y dos eo:Kvardek du fr:42 (nombre) ko:42 ia:42 it:Quarantadue he:42 (מספר) hu:42 (szám) nl:42 (getal) ja:42 no:42 (tall) pt:Quarenta e dois ru:42 (число) sl:42 (število) fi:42 (luku) sv:42 (tal) zh:42