'Forty four' in the Bible

And I heard the number of the sealed: an hundred and fortyfour thousand sealed of all the tribes of the sons of Israel.

And I saw, and, behold, a Lamb standing upon mount Sion, and with him a hundred forty-four thousand, having the name of his Father written in their foreheads.

And they sing as a new song before the throne, and before the four living creatures, and the elders: and none could learn the song, except the hundred forty-four thousand, purchased from the earth.

And he measured her wall, an hundred forty-four cubits, the measure of a man, which is the angel.