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");
John (given name) is Juan, and the Cornish is Yowann. In Hungarian, Johannes became János, and in the Slavic languages Ivan, Jan, Ján, Honza, Janez and Jovan. In Albanian, Gjoni , Xhon, Xhoni and Jovan is used for males. John has been a common given name in English-speaking countries, and either it or William was the number one name in England and English-speaking North America from around 1550 until the middle of the 20th century. John was the most popular name given to male infants in the United States until 1924, and though its use has fallen off gradually since then, John was