Vocabulary What does 十七 (じゅうなな, juunana) mean? 十七 (じゅうなな, juunana) means seventeen; 17. Quick factsReadingじゅうななRomajijuunanaPart of speechnumeric 十七じゅうななjuunanaseventeen; 171numeric seventeen; 17Also written: １７、一七Kanji in this word十ten; the number 10七seven; the number 7
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