DCCCXLII

DCCCXLII is the Roman numeral representation of the number 842. In the Roman numeral system, 'D' represents 500, 'C' represents 100, 'X' represents 10, and 'II' represents 2. The numeral is constructed by combining these symbols in a way that reflects their numerical value. The placement of the symbols generally follows a principle where larger values are placed before smaller values, indicating addition. Therefore, DCCCXLII is read as 500 + 100 + 100 + 100 + 10 + 10 + 1 + 1. This calculation results in 500 + 300 + 20 + 2, which equals 842. This specific Roman numeral would have been used in ancient Rome for various purposes, including recording numbers, dates, and quantities. The system's longevity is notable, with its influence still recognized in modern times, particularly in clock faces and the numbering of certain historical events or centuries.