Which Roman numeral represents the value 100?

The value 100 in Roman numerals is represented by the letter 'C.' In the Roman numeral system, specific letters correspond to certain values: 'C' stands for 100, 'V' stands for 5, 'D' represents 500, and 'L' represents 50. Each of these symbols is foundational to understanding how numbers are constructed in this ancient numeral system. The letter 'C' is derived from the Latin word "centum," which means one hundred, reinforcing its representation of this value.