'Forty four' in the Bible

And I heard the number of them which were sealed, and there were sealed a hundred and forty four thousand of all the tribes of the children of Israel.

And I looked, and, lo, a lamb stood on the mount Zion, and with him a hundred and forty four thousand having his father's name written in their foreheads.

And they sang as it were a new song, before the seat, and before the four beasts, and the elders and no man could learn that song, but the hundred and forty four thousand which were redeemed from the earth.

And he measured the wall thereof a hundred and forty four cubits: the measure that the angel had was after the measure that man useth.