Another route

Matthew 2:12 - And having been warned in a dream not to go back to Herod, they returned to their country by another route.

I wonder how many Magi there were in this party that visited Jesus. There may very well have been just three. Maybe only two. Maybe 24. The exact number doesn't matter, but what I really wonder about relative to this verse is this -- How many of them dreamed the warning dream? Did God give them all the same dream (easily done) and allow them all to remember it (not always easy for you to do, right?)?

Whether it was just one, several, or all of the Magi who were warned, they obviously put more stock in the dream than in the command of Herod. I wonder if they knew the dream was from God. That is, did God tell them so in the dream itself? Or did they just know from experience that a dream like this was not one to dismiss lightly without acting upon it? Or did they already know God well enough to understand that he controlled their dream?

I don't know if this is applying too much meaning to the one word "country", but it sounds like they were all from the same one -- contrary to some traditional stories about these Magi. I wonder which country that was. Perhaps Babylon, where Daniel, Shadrach, Meshach, and Abednego were once wise men.