'Thirty' in the Bible

David was king over Israel for forty years: for seven years he was king in Hebron and for thirty-three years in Jerusalem.

And the amount of Solomon's food for one day was thirty measures of crushed grain and sixty measures of meal;

Then King Solomon got together men for the forced work through all Israel, thirty thousand men in number;

The house which Solomon made for the Lord was sixty cubits long, twenty cubits wide and thirty cubits high.

And he made the house of the Woods of Lebanon, which was a hundred cubits long and fifty cubits wide and thirty cubits high, resting on four lines of cedar-wood pillars with cedar-wood supports on the pillars.

And he made a covered room of pillars, fifty cubits long and thirty cubits wide, and ... with steps before it.

And he made a great metal water-vessel ten cubits across from edge to edge, five cubits high and thirty cubits round.

In the thirty-first year of Asa, king of Judah, Omri became king over Israel, and he was king for twelve years; for six years he was ruling in Tirzah.

In the thirty-eighth year that Asa was king of Judah, Ahab, the son of Omri, became king over Israel; and Ahab was king in Samaria for twenty-two years.

Now Ben-hadad, king of Aram, got all his army together, and thirty-two kings with him, and horses and carriages of war; he went up and made war on Samaria, shutting it in.

Then he got together the servants of all the chiefs who were over the divisions of the land, two hundred and thirty-two of them; and after them, he got together all the people, all the children of Israel, seven thousand.

And in the middle of the day they went out. But Ben-hadad was drinking in the tents with the thirty-two kings who were helping him.

Now the king of Aram had given orders to the thirty-two captains of his war-carriages, saying, Make no attack on small or great, but only on the king of Israel.

Jehoshaphat was thirty-five years old when he became king, and he was king for twenty-five years in Jerusalem. His mother's name was Azubah, the daughter of Shilhi.