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");
Erika (given name) name in many Western societies. It is also a popular given name for women in Japan (even though its origin has nothing in common with the Nordic roots of the Western version). "Erica" is also the name of a genus of approximately 860 species of flowering plants in the family Ericaceae, commonly known as "heaths" or "heathers" in English, and is the Latin word for "heather". Erika (given name) The given name Erika, or Erica, is a feminine form of Eric, deriving from the Old Norse name "Eiríkr" (or "Eríkr" in Eastern Scandinavia due to monophthongization). The first element, "ei-"