1025

1025 is the third significant number to make an appearance. It is the result of combining 413 with 612.

Appearances as a Time

 * Jade's countdown, instead of being a variation of 413 like the other kids, is 10:25 instead. Jade also notes how these kind of numbers are often significant.
 * A timer counts down when Jack appears in the trolls' session and starts at 10:25 when he slices the door to the kids' universe.
 * Karkat wakes from dreaming at 5:12:30 according to the timer. (10:25 divided in half)