'Four' in the Bible

and the Philistines set themselves in array to meet Israel, and the battle spreadeth itself, and Israel is smitten before the Philistines, and they smite among the ranks in the field about four thousand men.

and gather themselves unto him do every man in distress, and every man who hath an exactor, and every man bitter in soul, and he is over them for head, and there are with him about four hundred men.

And David saith to his men, 'Gird ye on each his sword;' and they gird on each his sword, and David also girdeth on his sword, and there go up after David about four hundred men, and two hundred have remained by the vessels.

And the number of the days which David hath dwelt in the field of the Philistines is days and four months;

and David pursueth, he and four hundred men, (and two hundred men stand still who have been too faint to pass over the brook of Besor),

And David smiteth them from the twilight even unto the evening of the morrow, and there hath not escaped of them a man, except four hundred young men who have ridden on the camels, and are fled.