Eight is an English equivalent of 'octo'. The word in classical Latin is pronounced 'ohk-toh'. It's a loan word from the earlier, classical Greek of the ancient Greeks.
The Roman numeral DCCLXXXVII represents the number 787
Nothing - XVXIX is not a valid Roman numeral.
1963.
45
29
The Roman numeral DCCLXXXVII represents the number 787
Nothing - XVXIX is not a valid Roman numeral.
1963.
45
29
14
46.
19
That is not proper form for a Roman Numeral.
It is: XV = 15
IX is the number 9.
Roman numbers are capital English alphabets. Like 1 in Roman Numeral is captial "i" so: I.