'Four' in the Bible

For before these days rose up Theudas, giving himself out to be somebody; to whom a number of men, about four hundred, joined themselves: who was slain; and all, as many as obeyed him, were dispersed, and came to nought.

And God spake on this wise, that his seed should sojourn in a strange land, and that they should bring them into bondage, and treat them ill, four hundred years.

and he beholdeth the heaven opened, and a certain vessel descending, as it were a great sheet, let down by four corners upon the earth:

And Cornelius said, Four days ago, until this hour, I was keeping the ninth hour of prayer in my house; and behold, a man stood before me in bright apparel,

I was in the city of Joppa praying: and in a trance I saw a vision, a certain vessel descending, as it were a great sheet let down from heaven by four corners; and it came even unto me:

And when he had taken him, he put him in prison, and delivered him to four quaternions of soldiers to guard him; intending after the Passover to bring him forth to the people.

And when he had destroyed seven nations in the land of Canaan, he gave them their land for an inheritance, for about four hundred and fifty years:

Now this man had four virgin daughters, who prophesied.

Do therefore this that we say to thee: We have four men that have a vow on them;

Art thou not then the Egyptian, who before these days stirred up to sedition and led out into the wilderness the four thousand men of the Assassins?

And fearing lest haply we should be cast ashore on rocky ground, they let go four anchors from the stern, and wished for the day.