Numbers 3:12

3:12 “Look, I myself have taken the Levites from among the Israelites instead of every firstborn who opens the womb among the Israelites. So the Levites belong to me,

Numbers 3:32

3:32 Now the head of all the Levitical leaders was Eleazar son of Aaron the priest. He was appointed over those who were responsible for the sanctuary.

Numbers 4:30

4:30 You must number them from thirty years old and upward to fifty years old, all who enter the company to do the work of the tent of meeting.

Numbers 26:4

26:4 “Number the people from twenty years old and upward, just as the Lord commanded Moses and the Israelites who went out from the land of Egypt.”

Numbers 29:36

29:36 But you must offer a burnt offering, an offering made by fire, as a pleasing aroma to the Lord, one bull, one ram, seven lambs one year old, all of them without blemish,

Numbers 31:26

31:26 “You and Eleazar the priest, and all the family leaders of the community, take the sum of the plunder that was captured, both people and animals.