1,001 in Roman numerals
1,001 in Roman numerals
MI
1,001 is written MI in Roman numerals. That is 2 symbol groups added together, reading left to right from the largest value down.
How it breaks down
| Group | Value | Subtraction | Running total |
|---|---|---|---|
| M | 1,000 | — | 1,000 |
| I | 1 | — | 1,001 |
No subtraction needed
MI is purely additive — every symbol is simply added to the one before it, with no subtractive pairs like IV or IX. Numbers avoid subtraction when none of their digits is a 4 or a 9.
The symbols
| Symbol | Value | Used here |
|---|---|---|
| I | 1 | yes — 1× |
| V | 5 | no |
| X | 10 | no |
| L | 50 | no |
| C | 100 | no |
| D | 500 | no |
| M | 1,000 | yes — 1× |
The same number, other ways
- In words
- One thousand one
- Roman numeral
- MI
- Symbol count
- 2 characters
- Binary
- 1111101001
- Hexadecimal
- 3E9
The numbers either side
| Number | Roman numeral |
|---|---|
| 999 | CMXCIX |
| 1,000 | M |
| 1,001 | MI ← |
| 1,002 | MII |
| 1,003 | MIII |
Common questions
- What is 1001 in Roman numerals?
- 1,001 is MI.
- What does MI mean?
- MI is the Roman numeral for 1,001 — 1000 + 1.
- How do you write 1001 in Roman numerals?
- Take the largest value that fits and repeat until nothing is left: M (1000), then I (1). That gives MI.
Related pages
- 999 in Roman numerals CMXCIX
- 1,000 in Roman numerals M
- 1,002 in Roman numerals MII
- 1,003 in Roman numerals MIII
- 4 in Roman numerals IV
- 9 in Roman numerals IX
- 14 in Roman numerals XIV
- 19 in Roman numerals XIX
- 40 in Roman numerals XL
- 42 in Roman numerals XLII
- 49 in Roman numerals XLIX
- 50 in Roman numerals L
Sources
- Calculated on this page — At One Place