666
To note the Greek word 1492 εἴδω-see, know is translated 666 times
Also in Genesis 3:5 their eyes will be opened(see) and they will know good and evil, where both see and know are the gains.
Yet the Saints walk by faith
"(For we walk by faith, not by sight:)"-2 Corinthians 5:7 KJV
With the Greek Letter 1 Α
It's equal to 86 ᾅδης-hell (the unseen); hades
Can you repent?
In Revelation 16 it says they that had the mark had a chance to repent and give glory to God.
and upon them which worshipped his image."-Revelation 16:2 KJV