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130

 
WordNet: 130
Note: click on a word meaning below to see its connections and related words.

The adjective has one meaning:

Meaning #1: being ten more than one hundred twenty
  Synonyms: one hundred thirty, cxxx


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Wikipedia: 130 (number)
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130
Cardinal one hundred [and] thirty
Ordinal 130th
(one hundred [and] thirtieth)
Factorization  2 \cdot 5 \cdot 13
Divisors 1, 2, 5, 10, 13, 26, 65, 130
Roman numeral CXXX
Binary 100000102
Octal 2028
Duodecimal AA12
Hexadecimal 8216

130 is the natural number following 129 and preceding 131.

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In mathematics

One hundred [and] thirty 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 the military

In transportation

In other fields

One hundred [and] thirty is also:

References

  1. ^ MathWorld - Hexagonal Number

See also


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WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "130 (number)" Read more