Exodus 38:26
a bekah the head half a shekel, according to the shekel of the sanctuary, for every one that passed the numbering from twenty years old and upward, of the six hundred and three thousand five hundred and fifty.
Numbers 1:46
all they that were numbered were six hundred and three thousand five hundred and fifty.
Exodus 12:37
And the children of Israel journeyed from Rameses to Succoth, about six hundred thousand on foot that were men, besides children.
Exodus 30:13
This shall they give every one that passeth among them that are numbered half a shekel after the shekel of the sanctuary, twenty gerahs the shekel; a half shekel shall be the heave-offering for Jehovah.
Exodus 30:15-16
The rich shall not give more, and the poor shall not give less than half a shekel, when ye give the heave-offering of Jehovah, to make atonement for your souls.