Talen 2171 till 2177 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2171 | = | MMCLXXI | = | 1000 + 1000 + 100 + 50 + 10 + 10 + 1 |
| 2172 | = | MMCLXXII | = | 1000 + 1000 + 100 + 50 + 10 + 10 + 1 + 1 |
| 2173 | = | MMCLXXIII | = | 1000 + 1000 + 100 + 50 + 10 + 10 + 1 + 1 + 1 |
| 2174 | = | MMCLXXIV | = | 1000 + 1000 + 100 + 50 + 10 + 10 + 5 − 1 |
| 2175 | = | MMCLXXV | = | 1000 + 1000 + 100 + 50 + 10 + 10 + 5 |
| 2176 | = | MMCLXXVI | = | 1000 + 1000 + 100 + 50 + 10 + 10 + 5 + 1 |
| 2177 | = | MMCLXXVII | = | 1000 + 1000 + 100 + 50 + 10 + 10 + 5 + 1 + 1 |