Numbers 8:24
8:24 “This is what pertains to the Levites: At the age of twenty-five years and upward one may begin to join the company in the work of the tent of meeting,
Numbers 18:16
18:16 And those that must be redeemed you are to redeem when they are a month old, according to your estimation, for five shekels of silver according to the sanctuary shekel (which is twenty gerahs).
Numbers 31:8
31:8 They killed the kings of Midian in addition to those slain – Evi, Rekem, Zur, Hur, and Reba – five Midianite kings. They also killed Balaam son of Beor with the sword.
Numbers 31:28
31:28 “You must exact a tribute for the Lord from the fighting men who went out to battle: one life out of five hundred, from the people, the cattle, and from the donkeys and the sheep.