2 Kings 2:7
And fifty men of the sons of the prophets went, and stood to view afar off: and they two stood by Jordan.
1 Kings 18:4
For it was so, when Jezebel cut off the prophets of the LORD, that Obadiah took an hundred prophets, and hid them by fifty in a cave, and fed them with bread and water.)
1 Kings 18:13
Was it not told my lord what I did when Jezebel slew the prophets of the LORD, how I hid an hundred men of the LORD'S prophets by fifty in a cave, and fed them with bread and water?
2 Kings 2:17
And when they urged him till he was ashamed, he said, Send. They sent therefore fifty men; and they sought three days, but found him not.