Numbers 3:39-41

New International Version

³⁹ The total number of Levites counted^(A) at the Lord’s command by Moses and Aaron according to their clans, including every male a month old or more, was 22,000.^(B)

⁴⁰ The Lord said to Moses, “Count all the firstborn Israelite males who are a month old or more^(C) and make a list of their names.^{(D) 41} Take the Levites for me in place of all the firstborn of the Israelites,^(E) and the livestock of the Levites in place of all the firstborn of the livestock of the Israelites. I am the Lord.”^(F)