220 in Roman numerals
CCXX
The number 220 is written CCXX in Roman numerals.
How CCXX breaks down
| Symbols | Value |
|---|---|
CC | 2 × 100 = 200 |
XX | 2 × 10 = 20 |
CCXX | 220 |
Every symbol here is written in descending order and simply added together — no subtractive pairs are involved.
Nearby numbers
| Number | Roman numeral |
|---|---|
| 215 | CCXV |
| 216 | CCXVI |
| 217 | CCXVII |
| 218 | CCXVIII |
| 219 | CCXIX |
| 220 | CCXX |
| 221 | CCXXI |
| 222 | CCXXII |
| 223 | CCXXIII |
| 224 | CCXXIV |
| 225 | CCXXV |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
220 in other notations
| Roman | CCXX |
| Binary | 11011100 |
| Hexadecimal | DC |
| Octal | 334 |
| Written out | two hundred and twenty |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 220:
2 × C = 200 remaining: 20
2 × X = 20 remaining: 0The result reads CCXX — 4 characters, against 3 digits in Arabic numerals.
Frequently asked questions
What is 220 in Roman numerals?
CCXX
How do you read CCXX?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. CC is 200, XX is 20, giving 220 in total.
How do you write 220 in words?
two hundred and twenty.
Why is there no zero?
Roman numerals have no symbol for zero. The concept reached Europe only with Hindu-Arabic numerals, centuries after the system was in use — which is a large part of why it was eventually replaced for arithmetic.