The maximum length of a credit card number is 19 digits, with the maximum length of the account number field being 12 digits (initial six-digit issuer identifier minus the final digit check number). Each issuer has 1 trillion possible account numbers.
It's a good thing Giant tortoises live as long as they do as they average only .25 MPH. As far as plants go, Bristlecone pines found in the White Mountains in California, have the longest life span of any plant or tree. One such pine named the Methuselah tree is estimated to be 4,725 years old. If you consider clams as animals and not just ingredients for soup then the quahog clam has quite an impressive life span. In 2007 scientists found a quahog clam off the north coast of Iceland which they believe to be 400 years old.
Age Range of Trees. Trees can live, in very rare cases, up to six thousand years, although reaching that age is highly unlikely. Trees are most likely to live to old age in old-growth forests. For example, a Douglas Fir may live anywhere from 400 to 600 years in optimal conditions. As a shorter example, the average cherry tree life expectancy is around 20 years.