'Seven' in the Bible

She who has borne seven languishes; she has given up the spirit; her sun is gone down while it was yet day; she has been disappointed and confounded: and the residue of them will I deliver to the sword before their enemies, says Yahweh.

At the end of seven years you shall let go every man his brother who is a Hebrew, who has been sold to you, and has served you six years, you shall let him go free from you: but your fathers didn't listen to me, neither inclined their ear.

and out of the city he took an officer who was set over the men of war; and seven men of those who saw the king's face, who were found in the city; and the scribe of the captain of the army, who mustered the people of the land; and sixty men of the people of the land, who were found in the midst of the city.

in the three and twentieth year of Nebuchadnezzar Nebuzaradan the captain of the guard carried away captive of the Jews seven hundred forty-five persons: all the persons were four thousand and six hundred.

It happened in the seven and thirtieth year of the captivity of Jehoiachin king of Judah, in the twelfth month, in the five and twentieth day of the month, that Evilmerodach king of Babylon, in the [first] year of his reign, lifted up the head of Jehoiachin king of Judah, and brought him forth out of prison;