Ezekiel 44:26

And after he is cleansed, they shall reckon unto him seven days.

Numbers 6:10-21

And on the eighth day they shall bring two turtledoves or two young pigeons to the priest to the door of the tabernacle of the testimony,

Numbers 19:11-14

He that touches the dead body of any human person shall be unclean seven days.

Hebrews 9:13-14

For if the blood of bulls and of goats and the ashes of a heifer sprinkling the unclean, sanctified to the purifying of the flesh,

Treasury of Scripture Knowledge

Summary

And after he is cleansed, they shall reckon unto him seven days.

Bible References

General references

Numbers 6:10
And on the eighth day they shall bring two turtledoves or two young pigeons to the priest to the door of the tabernacle of the testimony,
Numbers 19:11
He that touches the dead body of any human person shall be unclean seven days.
Hebrews 9:13
For if the blood of bulls and of goats and the ashes of a heifer sprinkling the unclean, sanctified to the purifying of the flesh,