Tabla del 644
| 644 | X | 1 | = | 644 |
| 644 | X | 2 | = | 1288 |
| 644 | X | 3 | = | 1932 |
| 644 | X | 4 | = | 2576 |
| 644 | X | 5 | = | 3220 |
| 644 | X | 6 | = | 3864 |
| 644 | X | 7 | = | 4508 |
| 644 | X | 8 | = | 5152 |
| 644 | X | 9 | = | 5796 |
| 644 | X | 10 | = | 6440 |
| 644 | X | 1 | = | 644 |
| 644 | X | 2 | = | 1288 |
| 644 | X | 3 | = | 1932 |
| 644 | X | 4 | = | 2576 |
| 644 | X | 5 | = | 3220 |
| 644 | X | 6 | = | 3864 |
| 644 | X | 7 | = | 4508 |
| 644 | X | 8 | = | 5152 |
| 644 | X | 9 | = | 5796 |
| 644 | X | 10 | = | 6440 |