Themes > Science > Mathematics > About Mathematics, Generalities > Number Notation > Roman Numerals
I=1 V=5 X=10 L=50 C=100 D=500 M=1 000
  _
V=5 000		 _
X=10 000		 _
L=50 000		 _
C = 100 000		 _
D=500 000		 _
M=1 000 000

Examples:

 
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
21 = XXI
 
25 = XXV
30 = XXX
40 = XL
49 = XLIX
50 = L
51 = LI
60 = LX
70 = LXX
80 = LXXX
90 = XC
99 = XCIX

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