2,520 can be divided by 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 without having a fractional leftover.

All of David Letterman's suits are custom made - there are no creases in his suit trousers.

The smallest bird in the world is the bee hummingbird. The bird is 2.24 inches long.

AMAZING FACTS