1,999 in Roman numerals
MCMXCIX
The number 1,999 is written MCMXCIX in Roman numerals. As a year it appears in copyright lines and cornerstones written this way.
How MCMXCIX breaks down
| Symbols | Value |
|---|---|
M | 1,000 |
CM | 900 |
XC | 90 |
IX | 9 |
MCMXCIX | 1,999 |
This numeral uses the subtractive rule: a smaller symbol placed before a larger one is subtracted from it. Only six such pairs are legal — IV (4), IX (9), XL (40), XC (90), CD (400) and CM (900).
Nearby numbers
| Number | Roman numeral |
|---|---|
| 1,994 | MCMXCIV |
| 1,995 | MCMXCV |
| 1,996 | MCMXCVI |
| 1,997 | MCMXCVII |
| 1,998 | MCMXCVIII |
| 1,999 | MCMXCIX |
| 2,000 | MM |
| 2,001 | MMI |
| 2,002 | MMII |
| 2,003 | MMIII |
| 2,004 | MMIV |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
1,999 in other notations
| Roman | MCMXCIX |
| Binary | 11111001111 |
| Hexadecimal | 7CF |
| Octal | 3717 |
| Written out | one thousand nine hundred and ninety-nine |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 1,999:
M = 1000 remaining: 999
CM = 900 remaining: 99
XC = 90 remaining: 9
IX = 9 remaining: 0The result reads MCMXCIX — 7 characters, against 4 digits in Arabic numerals.
Frequently asked questions
What is 1,999 in Roman numerals?
MCMXCIX
How do you read MCMXCIX?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. M is 1,000, CM is 900, XC is 90, IX is 9, giving 1,999 in total.
How do you write 1,999 in words?
one thousand nine hundred and ninety-nine.
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.