Thematic Bible: Of the firstborn

There are two hundred and seventy-three more firstborn male Israelites than there are Levites. It will cost you two ounces of silver per person, using the standard weight of the holy place, to buy them back. Give the silver to Aaron and his sons. It will buy back those Israelites who outnumber the Levites. read more.
Moses took this ransom money from the Israelites who outnumbered the Levites. The silver Moses collected for the firstborn Israelites weighed thirty-four pounds using the standard weight of the holy place. Then Moses did what Jehovah said and gave Aaron and his sons this ransom money as he had been commanded.

Every firstborn male, human or animal that is brought to Jehovah is yours. But you must buy back every firstborn son and the firstborn male of any unclean animal. When they are one month old, you must buy them back at the fixed price of two ounces of silver using the standard weight of the holy place.