Exodus 38:26
a beka a head, that is, half a shekel, after the shekel of the sanctuary, for everyone who passed over to those who were numbered, from twenty years old and upward, for six hundred three thousand five hundred fifty men.
Numbers 1:46
even all those who were numbered were six hundred three thousand five hundred fifty.
Exodus 12:37
The children of Israel traveled from Rameses to Succoth, about six hundred thousand on foot who were men, besides children.
Exodus 30:13
They shall give this, everyone who passes over to those who are numbered, half a shekel after the shekel of the sanctuary; (the shekel is twenty gerahs;) half a shekel for an offering to Yahweh.
Exodus 30:15-16
The rich shall not give more, and the poor shall not give less, than the half shekel, when they give the offering of Yahweh, to make atonement for your souls.