'Thousands' in the Bible

So I took the heads of your tribes, wise men, and known, and made them heads over you, captains of thousands, and captains of hundreds, and captains of fifties, and captains of tens, and officers, according to your tribes.

and showing loving kindness to thousands of those who love me and keep my commandments.

He said, "Yahweh came from Sinai, And rose from Seir to them. He shone forth from Mount Paran. He came from the ten thousands of holy ones. At his right hand was a fiery law for them.

The firstborn of his herd, majesty is his. His horns are the horns of the wild ox. With them he shall push the peoples all of them, [even] the ends of the earth: They are the ten thousands of Ephraim. They are the thousands of Manasseh."