Talen 3878 till 3884 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 3878 | = | MMMDCCCLXXVIII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 5 + 1 + 1 + 1 |
| 3879 | = | MMMDCCCLXXIX | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 − 1 |
| 3880 | = | MMMDCCCLXXX | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 |
| 3881 | = | MMMDCCCLXXXI | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 |
| 3882 | = | MMMDCCCLXXXII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 |
| 3883 | = | MMMDCCCLXXXIII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 + 1 |
| 3884 | = | MMMDCCCLXXXIV | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 − 1 |