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.
Before, pine trees in North America had been called the oldest at 4,000 to 5,000 years old. Here it is, in all its lonely glory: the world's oldest living tree. Found in western Sweden, scientists believe that this spruce is 9,550 years old. Before, pine trees in North America had been called the oldest at 4,000 to 5,000 years old. According to the Guinness Book of World Records, a bristlecone pine named Methuselah in California's White Mountains was aged 4,768. But this discovery changes that view dramatically. Just to be clear about this: the tree itself is new.