Question #ec46a

1 Answer

1350, 2700, 4050, 5400, 6750, 8100, and 9450

Explanation:

35910=1350
Any multiple of this value also works as long as they are 4 digits.
13502=2700
13503=4050
13504=5400
6750, 8100, and 9450 are the other ones.