18 The Reubenites, the Gadites, and the half-tribe of Manasseh had 44,760 warriors—valiant men who carried the shield and sword, drew the bow, and were trained for battle.
1 Chronicles 5:18 Cross References - MSB
Numbers 1:3
3 You and Aaron are to number those who are twenty years of age or older by their divisions—everyone who can serve in Israel’s army.