'Eight' in the Bible

And Abijah joined in the battle with an army of four hundred thousand {battle-hardened warriors}, chosen men, and Jeroboam put the battle in order against him with eight hundred thousand chosen men, an army of mighty warriors.

Jehoram [was] thirty-two years old when he became king, and he reigned eight years in Jerusalem.

He was thirty-two years old when he began to reign, and he reigned eight years in Jerusalem. And he departed with no [one's] regret. And they buried him in the city of David, but not in the burial sites of the kings.

And they began to sanctify themselves on the first day of the first month. And on the eighth day of the month they came to the portico of Yahweh. And they sanctified the house of Yahweh for eight days, and on the sixteenth day of the first month they finished.

Josiah [was] eight years old when he became king, and he reigned thirty-one years in Jerusalem.