800 in Roman numerals
DCCC
The number 800 is written DCCC in Roman numerals.
How DCCC breaks down
| Symbols | Value |
|---|---|
D | 500 |
CCC | 3 × 100 = 300 |
DCCC | 800 |
Every symbol here is written in descending order and simply added together — no subtractive pairs are involved.
Nearby numbers
| Number | Roman numeral |
|---|---|
| 795 | DCCXCV |
| 796 | DCCXCVI |
| 797 | DCCXCVII |
| 798 | DCCXCVIII |
| 799 | DCCXCIX |
| 800 | DCCC |
| 801 | DCCCI |
| 802 | DCCCII |
| 803 | DCCCIII |
| 804 | DCCCIV |
| 805 | DCCCV |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
800 in other notations
| Roman | DCCC |
| Binary | 1100100000 |
| Hexadecimal | 320 |
| Octal | 1440 |
| Written out | eight hundred |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 800:
D = 500 remaining: 300
3 × C = 300 remaining: 0The result reads DCCC — 4 characters, against 3 digits in Arabic numerals.
Frequently asked questions
What is 800 in Roman numerals?
DCCC
How do you read DCCC?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. D is 500, CCC is 300, giving 800 in total.
How do you write 800 in words?
eight hundred.
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.