Roman numerals

 

Roman numerals

Roman numerals are a numeral system that originated in ancient Rome. And it remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers in this system are represented by combinations of letters from the Latin alphabet.

Number	Roman numeral
0	not defined
1	I
2	II
3	III
4	IV
5	V
6	VI
7	VII
8	VIII
9	IX
10	X
11	XI
12	XII
13	XIII
14	XIV
15	XV
16	XVI
17	XVII
18	XVIII
19	XIX
20	XX
30	XXX
40	XL
50	L
60	LX
70	LXX
80	LXXX
90	XC
100	C
200	CC
300	CCC
400	CD
500	D
600	DC
700	DCC
800	DCCC
900	CM
1000	M
5000	V
10000	X
50000	L
100000	C
500000	D
1000000	M

Roman numerals are a system of numerical notation used by the ancient Romans. They are an additive (and subtractive) system in which letters are used to denote certain base numbers, and additional letters are added to denote increments of those numbers. For example, the number five is represented by the letter V, and the number fifty is represented by the letter L. 

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