What is 17 in Roman numerals?

The Arabic number "17" is written as "XVII" in Roman numerals. The "X" represents a quantity of ten, the "V" represents a quantity of five, and "I" represents a quantity of one. The sum of the Roman numerals identifies its numeric value.

There are several letters in the Roman numeral system used to represent a numeric value. Each individual letter should be translated from the Roman numeral to the Arabic numeral then added together to identify the Arabic numeral equivalent. "XVII", for example, can be translated as "10+5+1+1", which equals 17. The Arabic numeral is then "17". Similarly, "XXVIII" can be translated as "10+10+V+1+1+1", which equals 28. The Arabic numeral is then "28".