YouTube URL unique identifiers generally consist of 11 letters, lower case and capitals.
The number of possible combinations of 11 characters using 52 symbols is 52¹¹ = 7,516,865,509,350,965,248
approx 7.52 × 10¹⁸ or 7.52 quintillion.
SocSec # w/9 digits just 1 billion.
about 1 year ago