Numbers 3:39-40

Webster^{(i) 39} All that were numbered of the Levites, whom Moses and Aaron numbered at the commandment of the LORD, throughout their families, all the males from a month old and upward, were twenty and two thousand. ⁴⁰ And the LORD said to Moses, number all the first-born of the males of the children of Israel, from a month old and upward, and take the number of their names.