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");
Maria (given name) contrast, in northern Europe the name only rose to popularity after the Reformation. Because the name is so frequent in Christian tradition, a tradition of giving compound names has developed, with a number of such compounds themselves becoming very popular. Examples include Anna+Maria (Anne-Marie, Marianne, etc.) Maria+Luisa (French Marie-Louise,) Margarita+Maria (English Margaret Mary, French Marguerite Marie etc.), Maria+Antonia (Italian Maria Antonia, French Marie-Antoinette etc.) Maria+Helena (Italian Maria Elena, Spanish María Elena), Maria+Teresa, among numerous others. As a feminine given name, Maria ranked 109th in the United States as of 2015, down from rank 31 held during 1973–1975. Spelling variants of