Numbers 3:46

King James 3 - The Literal Traslation

And from those redeemed of the two hundred and seventy three who are more than the Levites, of the first-born of the sons of Israel,

Cross References

Exodus 13:13

And every firstling of an ass you shall redeem with a flock animal. And if you do not redeem, you shall break its neck. And every first-born of men among your sons you shall redeem.

Exodus 13:15

And it happened when Pharaoh hardened himself against sending us away, Jehovah killed every first-born one in the land of Egypt, from the first-born of men even to the first-born of animals. On account of this I sacrifice to Jehovah every one of the males opening the womb, and I redeem every first-born of my sons.