100

is the integer between.

Math features

 * 100 is an even number.
 * Like all powers of 10, 100 is a Harshad number.
 * 1 = 100%.
 * 100 is a square number.
 * 100 is a happy number, like all powers of 10.

In powers of 10
See also: Powers of 10

The reciprocal of 100 is used in percentage. 1% = 100-1 and 100% = 1.