2 Samuel 8:4; 2 Samuel 10:6

2 Samuel 8:4

4 David captured from him 1,700 horsemen and 20,000 foot soldiers ; and David hamstrung the chariot horses, but reserved enough of them for 100 chariots.

2 Samuel 10:6

6 Now when the sons of Ammon saw that they had become odious to David, the sons of Ammon sent and hired the Arameans of Beth-rehob and the Arameans of Zobah, 20,000 foot soldiers, and the king of Maacah with 1,000 men, and the men of Tob with 12,000 men.