Exactly as in the question but if you mean in Roman numerals they are CDXXXVI, DX and CCX respevtively
dx
In Roman numerals 510 = DX
It is: DX which means 500+10 = 510
510 = DX in Roman numerals
i think that it is 510
DX represents the number 510.
It is: 510/2 = 255 which is the equivalent of CCLV in Roman numerals
four hundred thirty-six million, five hundred ten thousand, two hundred ten.
510
It is: 510 = DX
510 510