Cross reference
Numbers 16:37
37 Speak to Eleazar the son of Aaron the priest, that he take up the censers out of the burning, and scatter you the fire yonder; for they are holy,
Leviticus 27:28
28 "'Notwithstanding, no devoted thing, that a man shall devote to Yahweh of all that he has, whether of man or animal, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy to Yahweh.
Numbers 16:7
7 and put fire in them, and put incense on them before Yahweh tomorrow: and it shall be that the man whom Yahweh does choose, he [shall be] holy: you take too much on you, you sons of Levi.
Numbers 16:18
18 They took every man his censer, and put fire in them, and laid incense thereon, and stood at the door of the tent of meeting with Moses and Aaron.