The check digit is used to confirm the initial digits of the card number. The benefits of using a checksum is that it prevents casual attempts to invent credit card numbers, as only one in ten will be valid.
Length (adj). the longest, or longer, dimension of any object, in distinction from breadth or width; extent of anything from end to end; the longest line which can be drawn through a body, parallel to its sides; as, the length of a church, or of a ship; the length of a rope or line.
Man with 19 inch penis claims to have worldâs biggest (VIDEO) A 52-year-old man is claiming to have the longest penis in the world. Roberto Esquivel Cabreraâs penis is allegedly 18.9 inches long â making it the longest reported appendage in the world.