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.
The oldest known blue oak is in Sequoia National Park and estimated to be about 400 years old. Deciduous oaks native to the eastern United States are also long-lived. White oak (Quercus alba) is the longest-lived, with an average life of 300 years and maximum life span of 600 years in USDA zones 3b through 8b. Southern red oak (Quercus falcata) grows in USDA zones 7 through 9 and reaches 275 years.
How Long Do Conifers Live? California's redwoods are both tall and long-lived, with an average life span of 600 years. Conifers are trees and shrubs such as pine and spruce trees that generally produce seeds in cones instead of berries or flowers. The evergreens especially are prized in landscapes for their year-round color.