2001
Roman numerals....
1 = I
2 = II
3 = III
4 = IV (or IIII on old clocks, watches and sundials)
5 = V
6 = VI
7 = VII
8 = VIII
9 = IX
10 = X
20 = XX
30 = XXX
40 = XL
50 = L
60 = LX
70 = LXX
80 = LXXX
90 = XC
100 = C
500 = D
1000 = M
2000 = MM
3000 = MMM
After 3000 thousand are written by either placing a horizontal bar over a numeral, to indicate that the numeral should be multiplied by 1000, or by placing the numeral inside brackets, which also indicates that it should be multiplied by 1000. Examples...
4000 = [IV]
10000 = [X]
523000 = [DXXIII]
1000000 = [M]
The numbers 11 - 19 and 21 - 29 etc follow the same pattern as the numbers 1 to 9 but preceeded by X or XX etc. The same applies to numbers preceeded by 100s or 1000s. Some examples...
14 = XIV
44 = XLIV
88 = LXXXVIII
151 = CLI
423 = CDXXIII
666 = DCLXVI
1066 = MLXVI
2009 = MMIX
MM is 2000 in Roman numerals.
MM
In Roman numerals: ((MM)) = 10,000*2000 = 20,000,000
January 13th 2000 can also be written as 01-13-2000 and in Roman numerals that would be I.XIII.MM
The equivalent of the Roman numeral MM is 2000
iv, xii, mm
It is: III-XIII-MM
It is: III-VI-MM
VIII V MM
In Roman numerals the letter M equals 1,000. To write 2,000 you need 2xM (2x1,000) so it is written like this MM
M is 1000 and MM is 2000 so 1200 would be MCC
2007 = MMVII (MM=2000, VII=7).