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");
Given name is commonly used in Spanish-speaking countries to acknowledge the families of both parents. Today the order can also be changed legally in Spain and Uruguay using "given name – mother's family name – father's family name". In many Western cultures, people often have more than one given name. One of those which is not the first in succession might be used exclusively as the name which that person goes by, such as in the cases of John Edgar Hoover and Mary Barbara Hamilton Cartland. A child's given name or names are usually chosen by the parents soon after birth. If