Encyclopedia : 1 : 18 : 18N (2 articles)

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18 (number)
18 (eighteen) is the natural number following 17 and preceding 19. Cardinal 18eighteen Ordinal 18theighteenth Factorization [2 \cdot 3^2] Divisors 1, 2, 3, 6, 9, 18 Roman numeral XVIII Binary 10010 Hexadecimal 12 Contents 1 In mathematics2 In ..

 

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