'Forty four' in the Bible

And I heard the number of the sealed. A hundred and fortyfour thousand were sealed out of all the tribes of the sons of Israel.

And I saw, and lo! the Lamb stood on Mount Zion, and with him a hundred and fortyfour thousand, having his name and the name of his Father written on their foreheads.

And they sing a new song before the throne, and before the four living creatures and the elders; and no one was able to learn the song but the hundred and fortyfour thousand, who were redeemed from the earth.

And he measured the wall thereof, a hundred and fortyfour cubits, according to a mans measure, which is that of an angel.