'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 lovingkindness unto thousands of them that love me and keep my commandments.

And he said, Jehovah came from Sinai, And rose from Seir unto them; He shined forth from mount Paran, And he came from the ten thousands of holy ones: At his right hand was a fiery law for them.

The firstling of his herd, majesty is his; And 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: And they are the ten thousands of Ephraim, And they are the thousands of Manasseh.