'Thirty three' in the Bible

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

Then Moses led Israel from the Red Sea, and they went into the Wilderness of Shur; they went [a distance of] three days (about thirty-three miles) in the wilderness and found no water.