Letters of the alphabet used in ancient Rome to represent numbers: I = 1; V = 5; X = 10; L = 50; C = 100; D = 500; M = 1000. The numbers one through ten are written I, II, III, IV, V, VI, VII, VIII, IX, and X. Roman numerals are often used to signify divisions of a long work, or of a work with many parts.
What is the Roman numeral 4?
The number of characters in the Roman numerals for 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, (i.e., I, II, III, IV, V, VI, VII, VIII, IX, X, ) are 1, 2, 3, 2, 1, 2, 3, 4, 2, 1, 2, 3, 4, (OEIS A006968).
Can the Roman numeral 4 Be IIII?
IIII versus IV on Clocks. Expressed as Roman numerals, the first twelve numbers are usually given as I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII. However, on many clock faces, when the numbers on the dial are in Roman numerals, IIII replaces IV.