'Forty-one' in the Bible

And Rehoboam son of Solomon reigned in Judah. Rehoboam was forty-one years old when he began to reign, and he reigned seventeen years in Jerusalem, the city the Lord chose out of all the tribes of Israel to put His Name [and the pledge of His presence] there. His mother's name was Naamah the Ammonitess.

Forty-one years he reigned in Jerusalem. His mother was [also named] Maacah (Micaiah) daughter of Abishalom (Absalom).

In the fifteenth year of Amaziah son of Joash king of Judah Jeroboam [II] son of Jehoash king of Israel began to reign in Samaria, and reigned forty-one years.

So King Rehoboam established and strengthened himself in Jerusalem and reigned. Rehoboam was forty-one years old when he began to reign, and he reigned seventeen years in Jerusalem, the city in which the Lord had chosen out of all the tribes of Israel to put His Name [and the symbol of His presence]. His mother was Naamah an Ammonitess.