Numbers 3:44

Moses numbered, as Yahweh commanded him, all the firstborn among the children of Israel.

All the firstborn males according to the number of names, from a month old and upward, of those who were numbered of them, were twenty-two thousand two hundred seventy-three.

Take the Levites instead of all the firstborn among the children of Israel, and the livestock of the Levites instead of their livestock; and the Levites shall be mine. I am Yahweh.

For the redemption of the two hundred seventy-three of the firstborn of the children of Israel, who exceed the number of the Levites,