130 (number)

← 129 130 131 →
← 130 131 132 133 134 135 136 137 138 139 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred thirty
Ordinal	130th (one hundred and thirtieth)
Factorization	2 × 5 × 13
Divisors	1, 2, 5, 10, 13, 26, 65, 130
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.

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

1. MathWorld - Hexagonal Number
2. 2 Chronicles 24:15

See also

• List of highways numbered 130
• United Nations Security Council Resolution 130
• 130 Liberty Street, New York City