Numbers 3:46–47; Numbers 18:15–16

46 And was the redemption price for the 273 of the firstborn of the people of Israel, over and above the number of the male Levites, 47 you shall take xfive shekels1 per head; you shall take them according to ythe shekel of the sanctuary (the shekel of twenty gerahs2),

15 qEverything that opens the womb of all flesh, whether man or beast, which they offer to the Lord, shall be yours. Nevertheless, rthe firstborn of man you shall redeem, and the firstborn of unclean animals you shall redeem. 16 And their redemption price s(at a month old you shall redeem them) you shall fix at five shekels1 in silver, according to the shekel of the sanctuary, twhich is twenty gerahs.