17 in Roman Numerals
XVII
17 in Roman numerals is XVII, and is spelled seventeen.
How to write 17 in Roman numerals
To write 17 in Roman numerals, combine X (10) and VII (7) to get XVII.
The numeral XVII is read from left to right, from the largest value to the smallest, adding each symbol as you go.
| Value | Roman |
|---|---|
| 10 | X |
| 7 | VII |
| 17 | XVII |
Facts about the number 17
- 17 is an odd number.
- 17 is a prime number: it has no divisors other than 1 and itself.
- The digits of 17 add up to 8.
- 17 has 2 divisors.
17 in other number systems
| Decimal | 17 |
| Roman | XVII |
| Binary | 10001 |
| Octal | 21 |
| Hexadecimal | 11 |
Frequently asked questions
How do you write 17 in Roman numerals?
17 is written as XVII in Roman numerals.
What does the Roman numeral XVII mean?
XVII represents the number 17 (seventeen).
Is 17 a prime number?
Yes, 17 is a prime number.
What is 17 in binary and hexadecimal?
17 is 10001 in binary and 11 in hexadecimal.
Related numbers
Or open 17 in the converter and browse the full Roman numerals chart.