Numbers 13:22

13:22 When they went up through the Negev, they came to Hebron where Ahiman, Sheshai, and Talmai, descendants of Anak, were living. (Now Hebron had been built seven years before Zoan in Egypt.)

Numbers 19:16

19:16 And whoever touches the body of someone killed with a sword in the open fields, or the body of someone who died of natural causes, or a human bone, or a grave, will be unclean seven days.

Numbers 28:19

28:19 “‘But you must offer to the Lord an offering made by fire, a burnt offering of two young bulls, one ram, and seven lambs one year old; they must all be unblemished.

Numbers 28:24

28:24 In this manner you must offer daily throughout the seven days the food of the sacrifice made by fire as a sweet aroma to the Lord. It is to be offered in addition to the continual burnt offering and its drink offering.

Numbers 29:8

29:8 But you must offer a burnt offering as a pleasing aroma to the Lord, one young bull, one ram, and seven lambs one year old, all of them without blemish.

Numbers 31:19

Purification After Battle

31:19 “Any of you who has killed anyone or touched any of the dead, remain outside the camp for seven days; purify yourselves and your captives on the third day, and on the seventh day.