'Four' in the Bible

For before these days rose up Theudas, boasting himself 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 scattered, and brought 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 entreat them evil four hundred years.

And saw heaven opened, and a certain vessel descending unto him, as it had been a great sheet knit at the four corners, and let down to the earth:

And Cornelius said, Four days ago I was fasting until this hour; and at the ninth hour I prayed in my house, and, behold, a man stood before me in bright clothing,

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

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

When He had destroyed seven nations in the land of Canaan, He distributed their land as an inheritance—all of which took about four hundred and fifty years.

And after that he gave unto them judges about the space of four hundred and fifty years, until Samuel the prophet.

And the same man had four daughters, virgins, which did prophesy.

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

Then Paul took the [four] men, and the next day he purified himself along with them [by submitting to the ritual]. He went into the temple to give notice of [the time] when the days of purification [ending each vow] would be fulfilled and the usual offering could be presented on behalf of each one.

Art not thou that Egyptian, which before these days madest an uproar, and leddest out into the wilderness four thousand men that were murderers?

Then fearing lest we should have fallen upon rocks, they cast four anchors out of the stern, and wished for the day.