And it came to pass in process of time, that the king of Egypt died: and the children of Israel sighed by reason of the bondage, and they cried, and their cry came up unto God by reason of the bondage.

a beka a head (a beka is half a shekel, according to the standard used in the sanctuary) for everyone who went through the registration process from 20 years old and older. The total numbered 603,550 bekas.