DCLX

DCLX is a Roman numeral representing the number 660. In the Roman numeral system, D signifies 500, C signifies 100, and X signifies 10. When arranged as DCLX, the values are added together: 500 + 100 + 10 + 10 = 660. This system of representing numbers relies on a set of symbols with fixed values, and their arrangement determines the overall numerical quantity. The subtractive principle, where a smaller numeral preceding a larger one indicates subtraction (e.g., IV for 4), is not employed in the formation of DCLX. The numeral DCLX is a straightforward additive combination of the individual Roman numeral symbols.