'Divisions' in the Bible
You and Aaron are to register those who are 20 years old or more by their military divisions—everyone who can serve in Israel’s army.
“The Israelites are to camp by their military divisions, each man with his encampment and under his banner.
Judah’s military divisions will camp on the east side toward the sunrise under their banner. The leader of the descendants of Judah is Nahshon son of Amminadab.
The total number in their military divisions who belong to Judah’s encampment is 186,400; they will move out first.
Reuben’s military divisions will camp on the south side under their banner. The leader of the Reubenites is Elizur son of Shedeur.
The total number in their military divisions who belong to Reuben’s encampment is 151,450; they will move out second.
Ephraim’s military divisions will camp on the west side under their banner. The leader of the Ephraimites is Elishama son of Ammihud.
The total in their military divisions who belong to Ephraim’s encampment number 108,100; they will move out third.
Dan’s military divisions will camp on the north side under their banner. The leader of the Danites is Ahiezer son of Ammishaddai.
These are the Israelites registered by their ancestral houses. The total number in the camps by their military divisions is 603,550.
The military divisions of the camp of Judah with their banner set out first, and Nahshon son of Amminadab was over Judah’s divisions.
The military divisions of the camp of Reuben with their banner set out, and Elizur son of Shedeur was over Reuben’s division.
Next the military divisions of the camp of Ephraim with their banner set out, and Elishama son of Ammihud was over Ephraim’s division.
The military divisions of the camp of Dan with their banner set out, serving as rear guard for all the camps, and Ahiezer son of Ammishaddai was over Dan’s division.
This was the order of march for the Israelites by their military divisions as they set out.
These were the stages of the Israelites’ journey when they went out of the land of Egypt by their military divisions under the leadership of Moses and Aaron.