Exodus 38:26
a beka for each man (that is, half a shekel according to the shekel of the sanctuary) for everyone who was counted, from twenty years old and upward, for 603,550 men.
Numbers 1:46
all who were numbered were 603,550.
Exodus 12:37
Now the Israelites journeyed from Rameses to Succoth, about six hundred thousand men on foot, besides [the women and] the children.
Exodus 30:13
This is what everyone who is counted shall give [as he joins those already counted]: a half shekel, according to the sanctuary shekel (the shekel is twenty gerahs); a half shekel as a contribution to the Lord.
Exodus 30:15-16
The rich shall not give more and the poor shall not give less than half a shekel, when you give this contribution to the Lord to make atonement for yourselves.