'Thirty' in the Bible

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

And Solomon's provision for one day was thirty measures of fine flour, and threescore measures of meal,

And king Solomon raised a levy out of all Israel; and the levy was thirty thousand men.

And the house which king Solomon built for the LORD, the length thereof was threescore cubits, and the breadth thereof twenty cubits, and the height thereof thirty cubits.

He built also the house of the forest of Lebanon; the length thereof was an hundred cubits, and the breadth thereof fifty cubits, and the height thereof thirty cubits, upon four rows of cedar pillars, with cedar beams upon the pillars.

And he made a porch of pillars; the length thereof was fifty cubits, and the breadth thereof thirty cubits: and the porch was before them: and the other pillars and the thick beam were before them.

And he made a molten sea, ten cubits from the one brim to the other: it was round all about, and his height was five cubits: and a line of thirty cubits did compass it round about.

In the thirty and first year of Asa king of Judah began Omri to reign over Israel, twelve years: six years reigned he in Tirzah.

And in the thirty and eighth year of Asa king of Judah began Ahab the son of Omri to reign over Israel: and Ahab the son of Omri reigned over Israel in Samaria twenty and two years.

And Benhadad the king of Syria gathered all his host together: and there were thirty and two kings with him, and horses, and chariots: and he went up and besieged Samaria, and warred against it.

Then he numbered the young men of the princes of the provinces, and they were two hundred and thirty two: and after them he numbered all the people, even all the children of Israel, being seven thousand.

And they went out at noon. But Benhadad was drinking himself drunk in the pavilions, he and the kings, the thirty and two kings that helped him.

But the king of Syria commanded his thirty and two captains that had rule over his chariots, saying, Fight neither with small nor great, save only with the king of Israel.

Jehoshaphat was thirty and five years old when he began to reign; and he reigned twenty and five years in Jerusalem. And his mother's name was Azubah the daughter of Shilhi.