Talen 1530 till 1536 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1530 | = | MDXXX | = | 1000 + 500 + 10 + 10 + 10 |
| 1531 | = | MDXXXI | = | 1000 + 500 + 10 + 10 + 10 + 1 |
| 1532 | = | MDXXXII | = | 1000 + 500 + 10 + 10 + 10 + 1 + 1 |
| 1533 | = | MDXXXIII | = | 1000 + 500 + 10 + 10 + 10 + 1 + 1 + 1 |
| 1534 | = | MDXXXIV | = | 1000 + 500 + 10 + 10 + 10 + 5 − 1 |
| 1535 | = | MDXXXV | = | 1000 + 500 + 10 + 10 + 10 + 5 |
| 1536 | = | MDXXXVI | = | 1000 + 500 + 10 + 10 + 10 + 5 + 1 |