M = 1000
But higher numerals can be obtained by using brackets and superscripts.
For example: (M)M means 1000*1000*1000 = 1 000 000 000 which is one billion
The number 222 can be represented by the Roman numeral CCXXII
The Roman numeral MCMXXV represents the number 1925.
The number 27 as a Roman numeral is XXVII
The Roman numeral for the number 1973 is MCMLXXIII
The roman numeral CXCIV is the number 194.
A googleplexian being the highest number in existance, that would be the highest roman number. But I believe you mean highest roman numeral, which would be an M with a line over it, meaning 1,000,000.
The number 222 can be represented by the Roman numeral CCXXII
The Roman numeral MCMXXV represents the number 1925.
The roman numeral CXCIV is the number 194.
The Roman numeral for the number 1973 is MCMLXXIII
Roman numeral MCMLXXX is the number 1980.
The number 27 as a Roman numeral is XXVII
The Roman Numeral L is equivalent to the number 50.
No Roman numeral exists for zero.
That is not a valid Roman Numeral.
The number 130 is represented by the Roman numeral CXXX
It is the Roman Numeral for the number 6. It is the Roman Numeral for the number 6.