Tabla del 2181
| 2181 | X | 1 | = | 2181 |
| 2181 | X | 2 | = | 4362 |
| 2181 | X | 3 | = | 6543 |
| 2181 | X | 4 | = | 8724 |
| 2181 | X | 5 | = | 10905 |
| 2181 | X | 6 | = | 13086 |
| 2181 | X | 7 | = | 15267 |
| 2181 | X | 8 | = | 17448 |
| 2181 | X | 9 | = | 19629 |
| 2181 | X | 10 | = | 21810 |
| 2181 | X | 1 | = | 2181 |
| 2181 | X | 2 | = | 4362 |
| 2181 | X | 3 | = | 6543 |
| 2181 | X | 4 | = | 8724 |
| 2181 | X | 5 | = | 10905 |
| 2181 | X | 6 | = | 13086 |
| 2181 | X | 7 | = | 15267 |
| 2181 | X | 8 | = | 17448 |
| 2181 | X | 9 | = | 19629 |
| 2181 | X | 10 | = | 21810 |