'Sixty' in the Bible

Now these are the foundations which Solomon laid for the building of the house of God. The length by cubits after the first measure was sixty cubits, and the breadth twenty cubits.

Rehoboam loved Maacah the daughter of Absalom above all his wives and his concubines: (for he took eighteen wives, and sixty concubines, and became the father of twenty-eight sons and sixty daughters.)

with twelve hundred chariots, and sixty thousand horsemen. The people were without number who came with him out of Egypt: the Lubim, the Sukkiim, and the Ethiopians.