Talen 2021 till 2027 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2021 | = | MMXXI | = | 1000 + 1000 + 10 + 10 + 1 |
| 2022 | = | MMXXII | = | 1000 + 1000 + 10 + 10 + 1 + 1 |
| 2023 | = | MMXXIII | = | 1000 + 1000 + 10 + 10 + 1 + 1 + 1 |
| 2024 | = | MMXXIV | = | 1000 + 1000 + 10 + 10 + 5 − 1 |
| 2025 | = | MMXXV | = | 1000 + 1000 + 10 + 10 + 5 |
| 2026 | = | MMXXVI | = | 1000 + 1000 + 10 + 10 + 5 + 1 |
| 2027 | = | MMXXVII | = | 1000 + 1000 + 10 + 10 + 5 + 1 + 1 |