Numbers 18:16
And those that are to be redeemed from a month old shalt thou redeem, according to thine estimation, for the money of five shekels, after the shekel of the sanctuary, which is twenty gerahs.
Cross-references
Numbers 3:47 sets the same five-shekel redemption price, confirming the valuation given here.
Numbers 3:15 counts Levite males from a month old, the same age threshold used for the redemption of firstborns here.
Exodus 30:13 defines the sanctuary shekel as twenty gerahs, the same standard used for the redemption price here.
Leviticus 27:2-7 sets valuations for persons; a male from one month to five years is valued at five shekels, matching the redemption price here.
Leviticus 27:25 states the shekel of the sanctuary is twenty gerahs, directly paralleling the currency standard specified here.
Ezekiel 45:12 also defines the shekel as twenty gerahs, confirming the same weight system used in this redemption law.
Exodus 13:13 establishes the principle of redeeming firstborn sons, providing the context for the five-shekel price set here.
Nehemiah 10:36 describes post-exilic Israel bringing firstborn sons to the temple, fulfilling the law of redemption found here.
Leviticus 27:3 values an adult male at fifty shekels, showing the broader valuation system that also includes the five-shekel price for infants here.