质数 Save Sign in to save words Traditional (Taiwan): 質數 zhìshù ㄓˋ ㄕㄨˋ prime number Character by character 质(zhì)character 数(shù)number Other words read zhìshù zhishu with other tones 指数 直属 植树 支书 直书 All 7 words read zhishu in any tone A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0