Tabla del 641
| 641 | X | 1 | = | 641 |
| 641 | X | 2 | = | 1282 |
| 641 | X | 3 | = | 1923 |
| 641 | X | 4 | = | 2564 |
| 641 | X | 5 | = | 3205 |
| 641 | X | 6 | = | 3846 |
| 641 | X | 7 | = | 4487 |
| 641 | X | 8 | = | 5128 |
| 641 | X | 9 | = | 5769 |
| 641 | X | 10 | = | 6410 |
| 641 | X | 1 | = | 641 |
| 641 | X | 2 | = | 1282 |
| 641 | X | 3 | = | 1923 |
| 641 | X | 4 | = | 2564 |
| 641 | X | 5 | = | 3205 |
| 641 | X | 6 | = | 3846 |
| 641 | X | 7 | = | 4487 |
| 641 | X | 8 | = | 5128 |
| 641 | X | 9 | = | 5769 |
| 641 | X | 10 | = | 6410 |