Approx 1363 km.
.847
847 what?
kilometers measures distance and grams measures weight or mass. You can not convert one to the oher.
Length cannot be converted to weight.
Weight is typically measured in kilograms or pounds, not in kilometers. However, if you are asking about the weight of a certain object over a distance of 15 kilometers, that would depend on the specific object and its mass.
The positive integer factors of 847 are: 1, 7, 11, 77, 121, 847
847 121,7 11,11,7
847+57=904
1247 - 847 = 400
5,082 = 847 X 6
847/1