Talen 2878 till 2884 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2878 | = | MMDCCCLXXVIII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2879 | = | MMDCCCLXXIX | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 − 1 |
| 2880 | = | MMDCCCLXXX | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 |
| 2881 | = | MMDCCCLXXXI | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 |
| 2882 | = | MMDCCCLXXXII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 |
| 2883 | = | MMDCCCLXXXIII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 + 1 |
| 2884 | = | MMDCCCLXXXIV | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 − 1 |