Rev 13:18 | ESV | e4.org | 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 of John 13:18

18 ^aThis calls for wisdom: let the one who has understanding calculate the number of the beast, for it is the number ^bof a man, and his number is 666. ^{▼▼Some manuscripts 616}