'Number' in the Bible

Your servant stands among your chosen people; they are a great nation that is too numerous to count or number.

Then Elijah took twelve stones, corresponding to the number of tribes that descended from Jacob, to whom the Lord had said, "Israel will be your new name."

Muster an army like the one you lost, with the same number of horses and chariots. Then we will fight them in the plains; we will certainly overpower them." He approved their plan and did as they advised.