How to write 71 in Roman numerals
Roman numerals are built place by place, from the largest value to the smallest. For 71 the places are 70 (tens), 1 (ones).
- Write 70 as
LXX. - Write 1 as
I.
Joined together, LXX + I gives LXXI.
71 digit by digit
| Place | Value | Numeral | Rule used |
|---|---|---|---|
| tens | 70 | LXX | the five symbol plus two |
| ones | 1 | I | one symbol |
Check LXXI by reading it back
Reading LXXI from left to right and adding the pieces: LXX = 70, I = 1. Together that is 70 + 1 = 71, so LXXI and 71 match.
Mistakes to avoid with LXXI
- Never repeat a symbol more than three times in a row. When a fourth would be needed, the subtractive form takes over.
- Only I, X and C may be placed before a larger symbol to subtract, so LXXI never contains forms such as VX or LC.
- Read LXXI as one number, not letter by letter: add the values left to right, except where a smaller symbol sits before a larger one.
Facts about the number 71
- 71 is an odd number and a prime number.
- In binary 71 is
1000111and in hexadecimal it is47. - Written out, 71 is "seventy-one".
- The digits of 71 add up to 8.
Where you will see 71 in Roman numerals
Sports fans see the number 71 displayed as LXXI when tracking the sequence of annual championship games in certain leagues. Organizers assign Roman numerals to these events to give each edition a distinct, timeless identity.
Numbers near 71
FAQ
What is 71 in Roman numerals?
71 is written LXXI in Roman numerals. It is built from LXX (70), I (1).
How do you write 71 in lowercase Roman numerals?
Lowercase Roman numerals use the same rules, so 71 is lxxi. Lowercase is common for page numbers in a book's preface and for outline levels.
How do I convert any number to Roman numerals?
Split the number into thousands, hundreds, tens and ones, write each part with the symbols I, V, X, L, C, D and M, then join them from largest to smallest. Or paste it into the Roman numeral converter, which also converts back.
More roman numerals
- 70 (LXX): previous page
- 72 (LXXII): next page
- Roman numerals chart: the full list