'Four' in the Bible

Now a river flowed out from Eden that watered the garden, and from there it diverged and became four branches.

And Arphaxad lived four hundred and three years after he fathered Shelah, and he fathered [other] sons and daughters.

And Shelah lived four hundred and three years after he fathered Eber, and he fathered [other] sons and daughters.

And Eber lived four hundred and thirty years after he fathered Peleg, and he fathered [other] sons and daughters.

with Kedorlaomer, king of Elam, and Tidal, king of Goiim, and Amraphel, king of Shinar, and Arioch, king of Ellasar, four kings against five.

And he said to Abram, "{You must surely know} that your descendants shall be [as] aliens in a land {not their own}. And they shall serve them and they shall oppress them four hundred years.

"My lord, hear me. A [piece of] land [worth] four hundred shekels of silver--what [is] that between me and you? Bury your dead."

Then Abraham listened to Ephron, and Abraham weighed for Ephron the silver that he had named in the hearing of the Hittites: four hundred shekels of silver {at the merchants' current rate}.

And the messengers returned to Jacob [and] said, "We came to your brother, to Esau, and he is coming to meet you, and four hundred men [are] with him."

And Jacob lifted up his eyes and looked. And behold, Esau [was] coming and four hundred men [were] with him. And he divided the children among Leah and among Rachel, and among the two of his female servants.