820 in Roman Numerals
DCCCXX
820 in Roman numerals is DCCCXX, and is spelled eight hundred twenty.
How to write 820 in Roman numerals
To write 820 in Roman numerals, combine DCCC (800) and XX (20) to get DCCCXX.
The numeral DCCCXX is read from left to right, from the largest value to the smallest, adding each symbol as you go.
| Value | Roman |
|---|---|
| 800 | DCCC |
| 20 | XX |
| 820 | DCCCXX |
Facts about the number 820
- 820 is an even number.
- 820 is a composite number. Its prime factorization is 22 × 5 × 41.
- The digits of 820 add up to 10.
- 820 has 12 divisors.
820 in other number systems
| Decimal | 820 |
| Roman | DCCCXX |
| Binary | 1100110100 |
| Octal | 1464 |
| Hexadecimal | 334 |
Frequently asked questions
How do you write 820 in Roman numerals?
820 is written as DCCCXX in Roman numerals.
What does the Roman numeral DCCCXX mean?
DCCCXX represents the number 820 (eight hundred twenty).
Is 820 a prime number?
No, 820 is a composite number.
What is 820 in binary and hexadecimal?
820 is 1100110100 in binary and 334 in hexadecimal.
Related numbers
Or open 820 in the converter and browse the full Roman numerals chart.