2,011 in Roman numerals
MMXI
The number 2,011 is written MMXI in Roman numerals. As a year it appears in copyright lines and cornerstones written this way.
How MMXI breaks down
| Symbols | Value |
|---|---|
MM | 2 × 1,000 = 2,000 |
X | 10 |
I | 1 |
MMXI | 2,011 |
Every symbol here is written in descending order and simply added together — no subtractive pairs are involved.
Nearby numbers
| Number | Roman numeral |
|---|---|
| 2,006 | MMVI |
| 2,007 | MMVII |
| 2,008 | MMVIII |
| 2,009 | MMIX |
| 2,010 | MMX |
| 2,011 | MMXI |
| 2,012 | MMXII |
| 2,013 | MMXIII |
| 2,014 | MMXIV |
| 2,015 | MMXV |
| 2,016 | MMXVI |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
2,011 in other notations
| Roman | MMXI |
| Binary | 11111011011 |
| Hexadecimal | 7DB |
| Octal | 3733 |
| Written out | two thousand and eleven |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 2,011:
2 × M = 2000 remaining: 11
X = 10 remaining: 1
I = 1 remaining: 0
The result reads MMXI — 4 characters, against 4 digits in Arabic numerals.
Frequently asked questions
What is 2,011 in Roman numerals?
MMXI
How do you read MMXI?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. MM is 2,000, X is 10, I is 1, giving 2,011 in total.
How do you write 2,011 in words?
two thousand and eleven.
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.