- Traditional Chinese Character(HanT):
未知數
- Simplified Chinese Character(HanS):
未知数
- Bopomofo(Mandarin Phonetic Symbols): ㄨㄟˋ ㄓ ㄕㄨˋ (ㄨㄓㄕ)
- Bopomofo(Zhuyin Keyboard Input/IME): "jo45 gj4" (jo45gj4)
- (ASCII) Hanyu Pinyin: "weizhishu" "Wei4Zhi1Shu4" "Wei4 Zhi1 Shu4" (WZS)
- (Latin) Hànyǔ Pīnyīn: WèiZhīShù [ Wèi Zhī Shù ]
- (英文翻譯) English Translation: "unknown"
- (西語翻譯) Traducción Español: "desconocido"
- (日文翻譯) 日本語翻訳: "未知"