'Thirty three' in the Bible

These, are the sons of Leah whom she bare to Jacob in Padan-aram, with Dinah also his daughter, - All the souls of his sons and of his daughters, were thirty-three.

And the sons of Kohath, Amram and Izhar, and Hebron and Uzziel. And the years of the life of Kohath, were a hundred and thirty-three years.

And, for thirty-three days, shall she continue in the blood of purification, - no hallowed thing, shall she touch, and, into the sanctuary, shall she not enter, until her days of purification are fulfilled.

and, the days that he reigned over Israel, were forty years, - in Hebron reigned he seven years, and in Jerusalem, reigned he, thirty-three.