Revelation 9:16

And the number of troops of cavalry, two hundred thousand thousand: and I heard their number.

Revelation 7:4

And I heard the number of the sealed: an hundred and fortyfour thousand sealed of all the tribes of the sons of Israel.

Psalm 68:17

The chariot of God twice ten thousand thousands upon thousands: Jehovah among them, Sinai in the holy place.

Ezekiel 38:4

And I turned thee back, and I gave hooks in thy jaw bones, and I brought thee forth and all thine army of horses and horsemen, clothed in perfection, all of them a great convocation with buckler and shield, holding swords all of them:

Daniel 7:10

A river of fire flowed and went out from before him: thousands of thousands will wait upon him, and myriads of myriads will stand before him: the tribunal sat, and the books were opened.

Ezekiel 23:6

Putting on cerulean purple, prefects and governors, young men of desire all of them, horsemen riding horses.

Daniel 11:40

And in the time of the end the king of the south shall wage war with him: and the king of the north shall rush on like a tempest against him, with chariot and with horsemen, and with many ships; and he came into the lands, and overflowed and passed through.

Revelation 5:11

And I saw, and heard the voice of many angels round about the throne and the living creatures and the elders: and their number 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 chariot of God twice ten thousand thousands upon thousands: Jehovah among them, Sinai in the holy place.
Daniel 7:10
A river of fire flowed and went out from before him: thousands of thousands will wait upon him, and myriads of myriads will stand before him: the tribunal sat, and the books were opened.

Horsemen

Ezekiel 23:6
Putting on cerulean purple, prefects and governors, young men of desire all of them, horsemen riding horses.
Ezekiel 38:4
And I turned thee back, and I gave hooks in thy jaw bones, and I brought thee forth and all thine army of horses and horsemen, clothed in perfection, all of them a great convocation with buckler and shield, holding swords all of them:
Daniel 11:40
And in the time of the end the king of the south shall wage war with him: and the king of the north shall rush on like a tempest against him, with chariot and with horsemen, and with many ships; and he came into the lands, and overflowed and passed through.

I heard

Revelation 7:4
And I heard the number of the sealed: an hundred and fortyfour thousand sealed of all the tribes of the sons of Israel.