16

The number 16 appears frequently in the mythology of Young Justice. Its significance (if there's any) remains to be revealed.

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.
 * Kid Flash turns 16.

Timestamps
The number 16 frequently appears in timestamps on the show and comics:
 * In Young Justice #0, all of the timestamps have 16 seconds on them.
 * Speedy foils 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.
 * The Terror Twins are defeated by Superman and Martian Manhunter on September 14, 16:53 CDT.
 * Superboy and Miss Martian are in transport to Belle Reve Penitentiary on September 16, 21:55 CDT.
 * Captain Marvel returns to Fawcett City after the mission in Northern India on September 24, 22:16 CDT.
 * Green Arrow and Red Arrow fight a giant plant in Star City on October 1, 16:57 PDT.
 * The Team decides to start their own investigation into Red Tornado, as the League has had no apparent results on October 10, 16:58 EDT.
 * The Team gets word that many heroes have fallen to alien invaders on October 16, 16:01 EDT.
 * The Team wakes up from their training simulation on October 16, 16:21 EDT.
 * Aqualad and Artemis meet with Randy and Peggy Eiling to clear their father's name on August 14, 09:16 HST.
 * Kent Nelson's funeral takes place on August 21, 16:07 EDT.
 * Sensei and Talia al Ghul revive Ra's al Ghul in a Lazarus Pit on August 25, 23:16 ECT.
 * Aqualad is ambushed by Clayface on August 27, 06:16 EDT.
 * The Team helps Zatanna unpack as she moves into the Cave at 09:16 EST.