10 = X in Roman numerals
No, the Roman numeral for 5 is V. X is the Roman numeral for 10.
The 7 main Roman numerals are: M D C L X V and I
16
MCXVII
LV
D
V
That is 29.
3409 in Roman numerals is MMMCDIX
DCCCXXXII in roman numeral is 832.
X is 10 and I is 1. To get 12 you simply string them together. So it would be XII.
58 = LVIII