| Answer | Crossword Clue |
|---|---|
| OGDOAD | The number 8. |
| OCTAL | Based on the number 8 |
| OCTAL | Like the base-8 number system |
| LUCKY | Like the number 8, to the Chinese |
| THREE | Number on 8 of the 100 Scrabble tiles |
| BANDSMEN | Rings me with number for musicians (8) |
| OCTAL | Number system in which 8 is 10 |
| FIBONACCI | Eponym of a number series that begins 1, 1, 2, 3, 5, 8, ... |
