MCC
They are all numeric characters, exactly as you have written it.
Exactly as you have done in the question: 45000
It is: (IV)CCXX which means 1000*4+200+20 = 4220
That is numeric.
MCC
They are all numeric characters, exactly as you have written it.
It is the same as 350
00.9
9.00 is the same as 9
1975
Without the leading zero: 9057606387
Exactly as you have done in the question: 45000
You've done it. 1,400 is another way
1,200
It is: (IV)CCXX which means 1000*4+200+20 = 4220
MCC