16

The number 16 appears frequently in the mythology of Young Justice.

Examples

 * The reality designation of the Young Justice series is Earth-16, part of the DC Multiverse.
 * Superboy is 16 weeks old as of his first appearance in "Independence Day", and biologically 16 years old.
 * Miss Martian is 48 years old, the Martian equivalent of a human 16-year-old girl.
 * Aqualad, Garth and Tula are 16 years old.
 * There are 16 members of the Justice League as of "Independence Day".
 * Red Tornado, the caretaker of the The Team, has a Justice League designation number of 16.
 * In Young Justice #0, Kid Flash and Superboy visit a clothing store called Forever Sixteen.

Timestamps
The number 16 frequently appears in timestamps on the show. Examples include:
 * In Young Justice #0, all of the timestamps have 16 seconds on them.
 * Speedy foils another one of Brick's operations on July 17, 23:16 PDT.
 * On the next day, the Team eagerly rushes outside Mount Justice to intercept Red Tornado at 11:16 EDT.
 * Red Arrow confronts Artemis in Gotham City on August 9, 01:16 EDT.
 * Miss Martian wakes up alone and amnesiac in the Bialyan desert on September 4, 00:16 EEST.