Hundred
One hundred (100) is the
natural number following
ninety-nine and preceding
one hundred one. In
scientific notation, it is written as 10
2. The standard
SI prefix for a hundred is "
hecto-". The
Roman numeral for hundred is
C (for
centum). This number is important as the basis of
percentages (literally "per hundred"), with 100% being a full amount. It is used in many physical units.
See also: List of numbers, Hundred (division), century, the year AD 100