the number
Psalm 68:17
The chariots of God are twenty thousand, even thousands of angels: the Lord is among them, as in Sinai, in the holy place.
Daniel 7:10
A fiery stream issued and came forth from before him: thousand thousands ministered unto him, and ten thousand times ten thousand stood before him: the judgment was set, and the books were opened.
horsemen
Ezekiel 23:6
Which were clothed with blue, captains and rulers, all of them desirable young men, horsemen riding upon horses.
Ezekiel 38:4
And I will turn thee back, and put hooks into thy jaws, and I will bring thee forth, and all thine army, horses and horsemen, all of them clothed with all sorts of armour, even a great company with bucklers and shields, all of them handling swords:
Daniel 11:40
And at the time of the end shall the king of the south push at him: and the king of the north shall come against him like a whirlwind, with chariots, and with horsemen, and with many ships; and he shall enter into the countries, and shall overflow and pass over.
I heard
Revelation 7:4
And I heard the number of them which were sealed: and there were sealed an hundred and forty and four thousand of all the tribes of the children of Israel.