- Traditional Chinese Character(HanT):
4991
- Simplified Chinese Character(HanS):
4991
- Bopomofo(Mandarin Phonetic Symbols): ㄙˋ ㄐㄧㄡˇ ㄐㄧㄡˇ ㄧ (ㄙㄐㄐㄧ)
- Bopomofo(Zhuyin Keyboard Input/IME): "n4ru.3ru.3u " (n4ru.3ru.3u)
- (ASCII) Hanyu Pinyin: "sijiujiuyi" "Si4Jiu3Jiu3Yi1" "Si4 Jiu3 Jiu3 Yi1" (SJJY)
- (Latin) Hànyǔ Pīnyīn: SìJiǔJiǔYī [ Sì Jiǔ Jiǔ Yī ]
- (英文翻譯) English Translation: "4991"
- (西語翻譯) Traducción Español: "4991"
- (日文翻譯) 日本語翻訳: "4991"