Revelation 13:18

This calls for wisdom: let the one who has understanding calculate the number of the beast, for it is the number of a man, and his number is 666.

Revelation 17:9

This calls for a mind with wisdom: the seven heads are seven mountains on which the woman is seated;

Revelation 21:17

He also measured its wall, 144 cubits by human measurement, which is also an angel's measurement.

Revelation 15:2

And I saw what appeared to be a sea of glass mingled with fire--and also those who had conquered the beast and its image and the number of its name, standing beside the sea of glass with harps of God in their hands.

Deuteronomy 3:11

(For only Og the king of Bashan was left of the remnant of the Rephaim. Behold, his bed was a bed of iron. Is it not in Rabbah of the Ammonites? Nine cubits was its length, and four cubits its breadth, according to the common cubit.)

Psalm 107:43

Whoever is wise, let him attend to these things; let them consider the steadfast love of the LORD.

Daniel 12:10

Many shall purify themselves and make themselves white and be refined, but the wicked shall act wickedly. And none of the wicked shall understand, but those who are wise shall understand.

Hosea 14:9

Whoever is wise, let him understand these things; whoever is discerning, let him know them; for the ways of the LORD are right, and the upright walk in them, but transgressors stumble in them.

Mark 13:14

"But when you see the abomination of desolation standing where he ought not to be (let the reader understand), then let those who are in Judea flee to the mountains.

Romans 3:5

But if our unrighteousness serves to show the righteousness of God, what shall we say? That God is unrighteous to inflict wrath on us? (I speak in a human way.)

Revelation 1:3

Blessed is the one who reads aloud the words of this prophecy, and blessed are those who hear, and who keep what is written in it, for the time is near.

Treasury of Scripture Knowledge

Summary

Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.

Bible References

Here

Revelation 1:3
Blessed is the one who reads aloud the words of this prophecy, and blessed are those who hear, and who keep what is written in it, for the time is near.
Revelation 17:9
This calls for a mind with wisdom: the seven heads are seven mountains on which the woman is seated;
Psalm 107:43
Whoever is wise, let him attend to these things; let them consider the steadfast love of the LORD.
Daniel 12:10
Many shall purify themselves and make themselves white and be refined, but the wicked shall act wickedly. And none of the wicked shall understand, but those who are wise shall understand.
Hosea 14:9
Whoever is wise, let him understand these things; whoever is discerning, let him know them; for the ways of the LORD are right, and the upright walk in them, but transgressors stumble in them.
Mark 13:14
"But when you see the abomination of desolation standing where he ought not to be (let the reader understand), then let those who are in Judea flee to the mountains.

Count

Revelation 15:2
And I saw what appeared to be a sea of glass mingled with fire--and also those who had conquered the beast and its image and the number of its name, standing beside the sea of glass with harps of God in their hands.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.