'Four' in the Bible

And a river went out of Eden to water the garden; and from thence it was parted, and became four heads.

and Arpachshad lived after he begat Shelah four hundred and three years, and begat sons and daughters.

and Shelah lived after he begat Eber four hundred and three years, and begat sons and daughters.

And Eber lived four and thirty years, and begat Peleg:

and Eber lived after he begat Peleg four hundred and thirty years, and begat sons and daughters.

against Chedorlaomer king of Elam, and Tidal king of Goiim, and Amraphel king of Shinar, and Arioch king of Ellasar; four kings against the five.

And he said unto Abram, Know of a surety that thy seed shall be sojourners in a land that is not theirs, and shall serve them; and they shall afflict them four hundred years;

My lord, hearken unto me. A piece of land worth four hundred shekels of silver, what is that betwixt me and thee? Bury therefore thy dead.

And Abraham hearkened unto Ephron. And Abraham weighed to Ephron the silver which he had named in the audience of the children of Heth, four hundred shekels of silver, current money with the merchant.

And the messengers returned to Jacob, saying, We came to thy brother Esau, and moreover he cometh to meet thee, and four hundred men with him.

And Jacob lifted up his eyes, and looked, and, behold, Esau was coming, and with him four hundred men. And he divided the children unto Leah, and unto Rachel, and unto the two handmaids.

And it shall come to pass at the ingatherings, that ye shall give a fifth unto Pharaoh, and four parts shall be your own, for seed of the field, and for your food, and for them of your households, and for food for your little ones.