Revelation 9:16

and the number of the hosts of horse was twice ten thousand times ten thousand. I heard their number.

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 twenty thousand, thousands upon thousands; the Lord is among them: it is a Sinai in holiness.

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 thoroughly equipped, a great assemblage with targets and shields, all of them handling swords:

Daniel 7:10

A stream of fire 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.

Ezekiel 23:6

clothed with blue, governors and rulers, all of them attractive young men, horsemen riding upon horses.

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 overflow and pass through.

Revelation 5:11

And I saw, and I heard the voice of many angels around the throne and the living creatures and the elders; and their number was ten thousands of ten thousands 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 twenty thousand, thousands upon thousands; the Lord is among them: it is a Sinai in holiness.
Daniel 7:10
A stream of fire 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
clothed with blue, governors and rulers, all of them attractive 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 thoroughly equipped, a great assemblage with targets 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 overflow and pass through.

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: