'Fifties' in the Bible

Furthermore, you shall select from all the people competent men who [reverently] fear God, men of truth, those who hate dishonest gain; you shall place these over the people as leaders of thousands, of hundreds, of fifties and of tens.

Moses chose able men from all Israel and made them heads over the people, leaders of thousands, of hundreds, of fifties and of tens [from the highest to the lowest judicial levels].

So I took the leaders of your tribes, wise and experienced men, and made them leaders over you, commanders of thousands, and hundreds, and fifties, and tens, and officers (administrators) for your tribes.

He will appoint them for himself to be commanders over thousands and over fifties, and some to do his plowing and to reap his harvest and to make his implements of war and equipment for his chariots.

for when Jezebel destroyed the prophets of the Lord, Obadiah took a hundred prophets and hid them by fifties in a cave, and provided them with bread and water.)

Has it not been told to my lord [Elijah] what I did when Jezebel killed the prophets of the Lord, how I hid a hundred of the Lord’s prophets by fifties in a cave, and provided them with bread and water?

Behold, fire came down from heaven and consumed the first two captains of fifty with their fifties; but now let my life be precious in your sight.”

They sat down in groups of hundreds and of fifties [so that the crowd resembled an orderly arrangement of colorful garden plots].