'Forty one' in the Bible

Forty-one thousand, five hundred of the tribe of Asher were numbered.

The number of his army was forty-one thousand, five hundred;

And Rehoboam, the son of Solomon, was king in Judah. Rehoboam was forty-one years old when he became king, and he was king for seventeen years in Jerusalem, the town which the Lord had made his out of all the tribes of Israel, to put his name there; his mother's name was Naamah, an Ammonite woman.

And he was king for forty-one years in Jerusalem; his mother's name was Maacah, the daughter of Abishalom.

In the fifteenth year of the rule of Amaziah, son of Joash, king of Judah, Jeroboam, the son of Joash, king of Israel, became king in Samaria, ruling for forty-one years.

So King Rehoboam made himself strong in Jerusalem and was ruling there. Rehoboam was forty-one years old when he became king, and he was ruling for seventeen years in Jerusalem, the town which the Lord had made his out of all the tribes of Israel, to put his name there; and his mother's name was Naamah, an Ammonite woman.