Ah, they look a lot a like, but Mt. Banker is a little far north. The one seen from Emerald is Mt. Rainier. Portland Meadows, (in portland oregon, obviously) as a clear view of Mt. Hood we well.
Numbers and "colors," (colors are refereed to as the silks, not the saddle cloth) have NOTHING to do with the relation of horses. Look at the 2006 Triple Crown, a horse carrying #8 won each race. They have nothing to do with each other. #1 gets red #2 white #3 blue #4 yellow #5 green #6 black #7 orange #8 pink #9 light blue #10 purple #11 gray #12 light green That's as much as I know. In special races, sometimes all the saddlecloths are the same color.