Numbers 2:13-17

and his army, their numbered men: 59,300.

Then follows the tribe of Gad; and the leader of the sons of Gad: Eliasaph the son of Deuel,

and his army, their numbered men: 45,650.

The total of the numbered men of the camp of Reuben: 151,450 by their armies. And they shall set out second.

“Then the tent of meeting shall set out with the camp of the Levites in the midst of the camps; just as they camp, so they shall set out, every man in his place by their flags.