Revelation 9:16

And, the number of the armies of the horsemen, was twice ten thousand times ten thousand - I heard the number of them.

Revelation 7:4

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

Psalm 68:17

The chariots of God, are two myriads - thousands repeated, My Lord, is among them Sinai, is in the sanctuary!

Ezekiel 38:4

Therefore I will turn thee about, and will put hooks in thy jaws, - and bring thee forth and all thine army. Horses and horsemen Clothed with gorgeous attire, all of them, A mighty gathered host With shield and buckler handling swords tall of them:

Daniel 7:10

A stream of fire, was flowing on and issuing forth from before him, a thousand thousand, waited upon him and, ten thousand times ten thousand, before him, stood up, - Judgment, took its seat, and, books, were opened.

Ezekiel 23:6

Clothed in blue Governors and deputies, Attractive young men all of them,-Horsemen riding on horses.

Daniel 11:40

And, in the time of the end, will the king of the south, push at him, and the king of the north, will rush against him, with chariots and with horsemen, and with many ships, - and he will enter the lands, and overwhelm and pass over;

Revelation 5:11

And I saw, and heard a voice of many messengers, round about the throne and the living creatures and the elders, - and the number of them was myriads of myriads and thousands of thousands -

Treasury of Scripture Knowledge

Summary

And the number of the army of the horsemen were two hundred thousand thousand: and I heard the number of them.

I heard

Bible References

The number

Psalm 68:17
The chariots of God, are two myriads - thousands repeated, My Lord, is among them Sinai, is in the sanctuary!
Daniel 7:10
A stream of fire, was flowing on and issuing forth from before him, a thousand thousand, waited upon him and, ten thousand times ten thousand, before him, stood up, - Judgment, took its seat, and, books, were opened.

Horsemen

Ezekiel 23:6
Clothed in blue Governors and deputies, Attractive young men all of them,-Horsemen riding on horses.
Ezekiel 38:4
Therefore I will turn thee about, and will put hooks in thy jaws, - and bring thee forth and all thine army. Horses and horsemen Clothed with gorgeous attire, all of them, A mighty gathered host With shield and buckler handling swords tall of them:
Daniel 11:40
And, in the time of the end, will the king of the south, push at him, and the king of the north, will rush against him, with chariots and with horsemen, and with many ships, - and he will enter the lands, and overwhelm and pass over;

I heard

Revelation 7:4
And I heard the number of the sealed, - a hundred and forty-four thousand, - sealed out of every tribe of the sons of Israel: -