The word hundred is a noun and defined as a number equal to 10 times 10. First used before the 12 century, the word hundred is made up of the Old English word hund- and the Goth word -red or rathjo meaning account or number. The original Roman numeral for hundred is “C”.
The Hindu–Arabic numeral system was invented by Indian mathematicians between the 1st and 4th century. As the system spread through Eurasia, it was adopted by Arabic mathematicians around the 9th century AD. It wasn’t until the Middle ages when the famous Italian mathematician Fibonacci popularized the Hindu-Arabic numeral system in Europe with his book Liber Abaci (Book of Calculation). In most English speaking countries the symbol for hundred is 100.
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