17 in Roman Numerals
17 written in Roman numeralsXVII
17 = XVII. Read left to right: X (10) + V (5) + II (2) = 17.
Going the other way, the Roman numeral XVII equals the number 17.
How to write 17 in Roman numerals
- Tens: 10 is X.
- Ones: 7 is VII.
- Put them together, largest first: X + VII = XVII.
XVII uses only additive notation: every symbol is the same size or smaller than the one before it, so you simply add them up.
17 is an odd number, a prime number and written with 4 symbols in Roman numerals.
Where you might see XVII
- In dates written in Roman numerals, XVII can stand for day 17 of the month.
- Super Bowl XVII was the 17th Super Bowl, played in early 1983.
- Book chapters, outlines, movie sequels and royal names use numerals like XVII for the number 17.
Multiples of XVII
| Sum | Number | Roman numeral |
|---|---|---|
| 17 × 2 | 34 | XXXIV |
| 17 × 3 | 51 | LI |
| 17 × 5 | 85 | LXXXV |
| 17 × 10 | 170 | CLXX |
Numerals near XVII
| Number | Roman numeral |
|---|---|
| 12 | XII |
| 13 | XIII |
| 14 | XIV |
| 15 | XV |
| 16 | XVI |
| 17 | XVII |
| 18 | XVIII |
| 19 | XIX |
| 20 | XX |
| 21 | XXI |
| 22 | XXII |
Questions
How do you write 17 in Roman numerals?
17 is written XVII.
What number is XVII?
XVII is 17.