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From Wikipedia, the free encyclopedia

← 129  130  131 →
Cardinal one hundred thirty
Ordinal 130th
(one hundred thirtieth)
Factorization 2 × 5 × 13
Divisors 1, 2, 5, 10, 13, 26, 65, 130
Greek numeral ΡΛ´
Roman numeral CXXX
Binary 100000102
Ternary 112113
Quaternary 20024
Quinary 10105
Senary 3346
Octal 2028
Duodecimal AA12
Hexadecimal 8216
Vigesimal 6A20
Base 36 3M36

130 (one hundred [and] thirty) is the natural number following 129 and preceding 131.

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Transcription

Contents

In mathematics

130 is a sphenic number. It is a noncototient since there is no answer to the equation x - φ(x) = 130.

130 is the only integer that is the sum of the squares of its first four divisors, including 1: 12 + 22 + 52 + 102 = 130.

130 is the largest number that cannot be written as the sum of four hexagonal numbers.[1]

In religion

The Second Book of Chronicles says that Jehoiada died at the age of 130.[2]

In other fields

One hundred [and] thirty is also:

References

See also

This page was last edited on 20 April 2017, at 17:24
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