'Thousand' in the Bible

If it please the king, let it be written that they may be destroyed, and I will pay ten thousand talents of silver into the hands of those that have charge of the affairs, to bring it into the king's treasuries.

And the other Jews that were in the king's provinces gathered themselves together, and stood for their life, and had rest from their enemies; and they slew of them that hated them seventy-five thousand (but they laid not their hand on the prey),