130 (number): Difference between revisions
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130 is the largest number that cannot be written as the sum of four [[hexagonal number]]s.<ref>[http://mathworld.wolfram.com/HexagonalNumber.html MathWorld - Hexagonal Number]</ref> |
130 is the largest number that cannot be written as the sum of four [[hexagonal number]]s.<ref>[http://mathworld.wolfram.com/HexagonalNumber.html MathWorld - Hexagonal Number]</ref> |
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==In religion== |
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The [[Books of Chronicles|Second Book of Chronicles]] says that [[Jehoiada]] died at the age of 130.<ref>{{bibleverse||2 Chronicless|24:15|NIV}}</ref> |
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==In other fields== |
==In other fields== |
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Revision as of 15:32, 25 March 2015
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|---|---|---|---|---|
| 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 | |||
| Senary | 3346 | |||
| Octal | 2028 | |||
| Duodecimal | AA12 | |||
| Hexadecimal | 8216 | |||
130 (one hundred [and] thirty) is the natural number following 129 and preceding 131.
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:
- The year AD130 or 130 BC
- The 130 nanometer process is a semiconductor process technology by semiconductor companies
- A 130-30 fund or a ratio up to 150/50 is a type of collective investment vehicle
- The C130 Hercules aircraft
References
- ^ MathWorld - Hexagonal Number
- ^ 2 Chronicless 24:15Template:Bibleverse with invalid book