'Forty two' in the Bible

The cities which you shall give to the Levites shall be the six cities of refuge, which you shall give for the manslayer to flee to; and in addition to them you shall give forty-two cities.

When he looked behind him and saw them, he cursed them in the name of the Lord. Then two female bears came out of the woods and tore up forty-two lads of their number.

He said, “Take them alive.” So they took them alive and killed them at the pit of Beth-eked, forty-two men; and he left none of them.

Ahaziah was twenty-two years old when he became king, and he reigned one year in Jerusalem. And his mother’s name was Athaliah, the granddaughter of Omri.