15 (swak bu̱ apfwon) A̱yet zu̱zzwa twang nkyang ji tssup swak bu̱ a̱naai (14) wwon u̱ shyi a̱zanson swak bu̱ a̱kutat (16).
15
positive integer, triangular number, composite number, odd number, centered tetrahedral number, hexagonal number, pentatope number, Mersenne number, cake number, Bell number| Follows | 14  |
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| Followed by | 16 |
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| Prime factor | 3, 5 |
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| Mathematical inverse | −15 |
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| Unicode character | ⒂, ⓯, ⑮, ⒖, 𝋯 |
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