16 (number) 0 to 15 in each column. Sixteen is an even number and a square number. Sixteen is the fourth power of two. Sixteen is the only integer that equals "m" and "n", for some unequal integers "m" and "n" ("m" = 4, "n" = 2, or vice versa). It has this property because 2 = 2 × 2. It is also equal to 2 (see tetration). 16 is the base of the hexadecimal number system, which is used extensively in computer science. In Spanish and Portuguese, 16 is the first compound number (Spanish: "dieciséis", European Portuguese: "dezasseis", Brazilian Portuguese: "dezesseis");
Chinese given name given name as a single word with no space between the letters of the two characters: for example, the common name 王秀英 is properly rendered either with its tone marks as Wáng Xiùyīng or without as Wang Xiuying, but should not be written as Wang Xiu Ying, Wang XiuYing, Wangxiuying, &c. The earlier Wade-Giles system accomplished the same effect by hyphenating the given name between the characters: for example, the same name would be written as Wang Hsiù-Yīng. However, many Chinese do not follow these rules, romanizing their names with a space between each. This can cause non–Chinese-speakers to incorrectly