142 (number)

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141142143
Cardinalone hundred forty-two
Ordinal142nd
(one hundred and forty-second)
Factorization2 × 71
Divisors1, 2, 71, 142
Roman numeralCXLII
Binary100011102
Ternary120213
Quaternary20324
Quinary10325
Senary3546
Octal2168
DuodecimalBA12
Hexadecimal8E16
Vigesimal7220
Base 363Y36
 
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141142143
Cardinalone hundred forty-two
Ordinal142nd
(one hundred and forty-second)
Factorization2 × 71
Divisors1, 2, 71, 142
Roman numeralCXLII
Binary100011102
Ternary120213
Quaternary20324
Quinary10325
Senary3546
Octal2168
DuodecimalBA12
Hexadecimal8E16
Vigesimal7220
Base 363Y36

142 (one hundred [and] forty-two) is the natural number following 141 and preceding 143.

In mathematics[edit]

There is no answer to the equation φ(x) = 142, making 142 a nontotient. There are 142 planar graphs with 6 unlabeled vertices.[1]

In astrophysics[edit]

In business and accounting[edit]

In chemistry[edit]

In geography[edit]

In media[edit]

In literature and publications[edit]

In the military[edit]

In music[edit]

In timekeeping[edit]

In transportation[edit]

In other uses[edit]

See also[edit]

References[edit]

  1. ^ Erich Friedman, "What's Special About This Number": 142. Accessed 5 JAN 2008.