The Number

100

One Hundred

Nearby Numbers

Positive, nonzero integers within three units

97
Ninety-Seven
98
Ninety-Eight
99
Ninety-Nine
101
One Hundred and One
102
One Hundred and Two
103
One Hundred and Three

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01

The reciprocal of 100.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 100 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred is a composite number with 9 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred is a composite number with 9 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one hundred has the following 2 prime factors:

2
Two
5
Five

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

22 · 52 = 100

Base Conversions

The number one hundred in 35 different bases