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Roman Numerals

I 1 XVII 17 LX 60
II 2 XVIII 18 LXX 70
III 3 XIX 19 LXXX 80
IV 4 XX 20 XC 90
V 5 XXI 21 C 100
VI 6 XXII 22 CC 200
VII 7 XXIII 23 CCC 300
VIII 8 XXIV 24 CCCC/CD 400
IX 9 XXV 25 D 500
X 10 XXVI 26 DC 600
XI 11 XXVII 27 DCC 700
XII 12 XXVIII 28 DCCC 800
XIII 13 XXIX 29 CM 900
XIV 14 XXX 30 M 1000
XV 15 XL 40 MCM 1900
XVI 16 L 50 MM 2000
Examples :-
1066 MLXVI     1595 MDXCV
1120 MCXX     1676 MDCLXXVI
1299 MCCXCIX     1745 MDCCXLV
1315 MCCCXV     1851 MDXXXLI
1488 MCDLXXXVIII     1989 MCMLXXXIX
    1998 MCMXCVIII    

(L - Libra = pound, S - Solidus = shilling, D - Denarius = penny)

Unus 1 C (centum) 100
Duo 2 D (dimidium/half) 500
Tres 3 M (mille) 1000
Quinque 5
Sex 6
Septum 7
Octo 8
Novem 9
Decem 10

RFM 9/91 updated 10/98

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