That
Genesis 15:13
And he said unto Abram, Know of a surety that thy seed shall be a stranger in a land that is not theirs, and shall serve them; and they shall afflict them four hundred years;
Genesis 15:16
But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.
four
Exodus 12:40
Now the sojourning of the children of Israel, who dwelt in Egypt, was four hundred and thirty years.
Exodus 12:41
And it came to pass at the end of the four hundred and thirty years, even the selfsame day it came to pass, that all the hosts of the LORD went out from the land of Egypt.
Galatians 3:17
And this I say, that the covenant, that was confirmed before of God in Christ, the law, which was four hundred and thirty years after, cannot disannul, that it should make the promise of none effect.