Hindu
12 = XII in Roman numerals
The Roman numerals are XLV.
MCMLII
XXI
Hindu
12 = XII in Roman numerals
18 in roman numerals looks like XVIII
The Roman numerals are XLV.
300 would be represented by 'CCC' in roman numerals.
MDCCCXCV
MMDCCCLXXXVI
MCMLXXXV
MCMLXV
XL
MCMLII
mmxiii