'Four' in the Bible

(For only Og king of Bashan remained of the remnant of the Rephaim; behold, his bedstead was a bedstead of iron; isn't it in Rabbah of the children of Ammon? nine cubits was its length, and four cubits its breadth, after the cubit of a man.)

You shall make yourselves fringes on the four borders of your cloak, with which you cover yourself.