DCCCXX

DCCCXX is a Roman numeral that represents the number 820. Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers are represented by combinations of letters from the Latin alphabet. The Roman numeral system uses seven symbols, each with a fixed integer value. These symbols are I (1), V (5), X (10), L (50), C (100), D (500), and M (1,000). To form a numeral, the symbols are combined and placed in order of value, starting with the largest. In the case of DCCCXX, the numeral is composed of D (500), CCC (300), and XX (20), which sum up to 820. The use of Roman numerals has declined in modern times, being largely replaced by the more efficient Arabic numeral system. However, they still appear in various contexts, such as the numbering of Super Bowls, the naming of monarchs and popes, and the dating of copyrights.