Talen 2784 till 2790 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2784 | = | MMDCCLXXXIV | = | 1000 + 1000 + 500 + 100 + 100 + 50 + 10 + 10 + 10 + 5 − 1 |
| 2785 | = | MMDCCLXXXV | = | 1000 + 1000 + 500 + 100 + 100 + 50 + 10 + 10 + 10 + 5 |
| 2786 | = | MMDCCLXXXVI | = | 1000 + 1000 + 500 + 100 + 100 + 50 + 10 + 10 + 10 + 5 + 1 |
| 2787 | = | MMDCCLXXXVII | = | 1000 + 1000 + 500 + 100 + 100 + 50 + 10 + 10 + 10 + 5 + 1 + 1 |
| 2788 | = | MMDCCLXXXVIII | = | 1000 + 1000 + 500 + 100 + 100 + 50 + 10 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2789 | = | MMDCCLXXXIX | = | 1000 + 1000 + 500 + 100 + 100 + 50 + 10 + 10 + 10 + 10 − 1 |
| 2790 | = | MMDCCXC | = | 1000 + 1000 + 500 + 100 + 100 + 100 − 10 |