| 质 |
zhì shù | prime number |
| 质 |
zhì | character / nature / quality / plain / to pawn / pledge / hostage / to question / Taiwan pr. [zhi2] |
| 数 |
shǔ | to count / to count as; to regard as / to enumerate; to list |
| 数 |
shù | number; figure / several; a few |
| 数 |
shuò | (literary) frequently; repeatedly |