71 in Roman numerals
LXXI
The number 71 is written LXXI in Roman numerals.
How LXXI breaks down
| Symbols | Value |
|---|---|
L | 50 |
XX | 2 × 10 = 20 |
I | 1 |
LXXI | 71 |
Every symbol here is written in descending order and simply added together — no subtractive pairs are involved.
Nearby numbers
| Number | Roman numeral |
|---|---|
| 66 | LXVI |
| 67 | LXVII |
| 68 | LXVIII |
| 69 | LXIX |
| 70 | LXX |
| 71 | LXXI |
| 72 | LXXII |
| 73 | LXXIII |
| 74 | LXXIV |
| 75 | LXXV |
| 76 | LXXVI |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
71 in other notations
| Roman | LXXI |
| Binary | 1000111 |
| Hexadecimal | 47 |
| Octal | 107 |
| Written out | seventy-one |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 71:
L = 50 remaining: 21
2 × X = 20 remaining: 1
I = 1 remaining: 0The result reads LXXI — 4 characters, against 2 digits in Arabic numerals.
Frequently asked questions
What is 71 in Roman numerals?
LXXI
How do you read LXXI?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. L is 50, XX is 20, I is 1, giving 71 in total.
How do you write 71 in words?
seventy-one.
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.