أَخْبَارِ ٱلْأَيَّامِ ٱلْأَوَّلُ 23:3

فَعُدَّ ٱللَّاوِيُّونَ مِنِ ٱبْنِ ثَلَاثِينَ سَنَةً فَمَا فَوْقُ، فَكَانَ عَدَدُهُمْ حَسَبَ رُؤُوسِهِمْ مِنَ ٱلرِّجَالِ ثَمَانِيَةً وَثَلَاثِينَ أَلْفًا.

Now the Levites were numbered from the age of thirty years and upward: and their number by their polls, man by man, was thirty and eight thousand.