４９１年

• Traditional Chinese Character(HanT): ４９１年
• Simplified Chinese Character(HanS): ４９１年
• Bopomofo(Mandarin Phonetic Symbols): ㄙˋ ㄐㄧㄡˇ ㄧ ㄋㄧㄢˊ (ㄙㄐㄧㄋ)
• Bopomofo(Zhuyin Keyboard Input/IME): "n4ru.3u su06" (n4ru.3usu06)
• (ASCII) Hanyu Pinyin: "sijiuyinian" "Si4Jiu3Yi1Nian2" "Si4 Jiu3 Yi1 Nian2" (SJYN)
• (Latin) Hànyǔ Pīnyīn: SìJiǔYī [ Sì Jiǔ Yī ]
• (英文翻譯) English Translation: "491 years"
• (西語翻譯) Traducción Español: "491 años"
• (日文翻譯) 日本語翻訳: "491年"