| Answer | Crossword Clue |
|---|---|
| THREE | Pythagoras' perfect number. |
| TEN | Perfect number |
| TEN | "Perfect" number |
| TEN | Perfect number? |
| SIX | Smallest perfect number |
| TEN | A number of perfect people? |
| TEN | It can be a perfect number |
| NONE | Number of hits in a perfect game |
| ONE | Number of hits that ruins a perfect game |
