Revelation 9:16

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

Revelation 7:4

And I heard the number of those that were sealed: and there were sealed a hundred and forty-four thousand of all the tribes of the sons of Israel.

Psalm 68:17

The chariots of God are two thousand, thousands of angels; the Lord is among them as in Sinai, in the sanctuary.

Ezekiel 38:4

and I will break thee 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 7:10

A river of fire issued and came forth from before him; thousands of thousands served him, and ten thousands of ten thousands stood before him; the Judge sat down, and the books were opened.

Ezekiel 23:6

which were clothed with blue, captains and rulers, all of them desirable young men, horsemen riding upon horses.

Daniel 11:40

But at the end of the time the king of the south shall lock horns with him, and the king of the north shall raise up a storm against him with chariots and with horsemen and with many ships, and he shall enter into the lands and shall overflow and pass over.

Revelation 5:11

And I beheld, and I heard the voice of many angels round about the throne and of the animals and of the elders; and the number of them was ten thousand times ten thousand, 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 thousand, thousands of angels; the Lord is among them as in Sinai, in the sanctuary.
Daniel 7:10
A river of fire issued and came forth from before him; thousands of thousands served him, and ten thousands of ten thousands stood before him; the Judge sat down, 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 break thee 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
But at the end of the time the king of the south shall lock horns with him, and the king of the north shall raise up a storm against him with chariots and with horsemen and with many ships, and he shall enter into the lands and shall overflow and pass over.

I heard

Revelation 7:4
And I heard the number of those that were sealed: and there were sealed a hundred and forty-four thousand of all the tribes of the sons of Israel.