M is 1000 and D is 500. This is represented as MMMD.
3500 = MMMD
3500 = MMMD
They are MM and MMMD respectively
the answer to what is the roman numeral for 101 is CI
'XXV' is the Roman Numeral. I think you wish to know the Arabic (Modern) number, which is '25'.
No, K is not a roman numeral.
There is not a Roman Numeral for 0.
The roman numeral for one is I.
Vivid is not a Roman numeral
V is a roman numeral representing the number 5.
M is a roman numeral that represents 1000.
The number 80 is represented by the Roman numeral LXXX