Talen 1851 till 1857 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1851 | = | MDCCCLI | = | 1000 + 500 + 100 + 100 + 100 + 50 + 1 |
| 1852 | = | MDCCCLII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 1 + 1 |
| 1853 | = | MDCCCLIII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 1 + 1 + 1 |
| 1854 | = | MDCCCLIV | = | 1000 + 500 + 100 + 100 + 100 + 50 + 5 − 1 |
| 1855 | = | MDCCCLV | = | 1000 + 500 + 100 + 100 + 100 + 50 + 5 |
| 1856 | = | MDCCCLVI | = | 1000 + 500 + 100 + 100 + 100 + 50 + 5 + 1 |
| 1857 | = | MDCCCLVII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 5 + 1 + 1 |