'Forty four' in the Bible

The children of Reuben and the Gadites and half the tribe of Manasseh, of valiant men, men who carried shield and sword, drawing the bow and skilful in war, were forty-four thousand seven hundred and sixty, able to go forth to war.

And I heard the number of the sealed, a hundred and forty-four thousand, sealed out of every tribe of the sons of Israel:

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

and they sing a new song before the throne, and before the four living creatures and the elders. And no one could learn that song save the hundred and forty-four thousand who were bought from the earth.

And he measured its wall, a hundred and forty-four cubits, a man's measure, that is, the angel's.