132 (number)
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132 is a natural number that follows 131 and precedes 133. It is among the numbers used in counting and measurement. In the decimal system, it consists of three digits: one hundred, three tens, and two ones.
132 is an even number, since it is divisible by 2. It is not a prime number, because it has divisors other than 1 and itself.
Mathematical properties
The prime factorization of 132 is 2 × 2 × 3 × 11, which can be written as 2² × 3 × 11. Its complete divisors are 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, and 132—a total of 12 divisors.
The sum of its divisors excluding the number itself is 1 + 2 + 3 + 4 + 6 + 11 + 12 + 22 + 33 + 44 + 66 = 204. Because 204 exceeds 132, the number is classified as an abundant number.
Number systems
In binary, 132 is written as 10000100. In hexadecimal, it is 84. In Roman numerals, it can be written as CXXXII.
General use
Like other three-digit numbers, 132 is used as a designation: a street or road number, a year (such as 132 AD), a code in various systems, and a scientific measurement. Its meaning depends on context and the system in which it is used; it has no inherent significance as a number itself.