1 Chronicles 23:2-4

Young's Literal Translation

² and gathereth all the heads of Israel, and the priests, and the Levites;

³ and the Levites are numbered from a son of thirty years and upward, and their number, by their polls, is of mighty men thirty and eight thousand.

⁴ Of these to preside over the work of the house of Jehovah [are] twenty and four thousand, and officers and judges six thousand,