616 (number) i.e. (2!)² + (3!)² + (4!)² = 4+36+576=616. 666 is generally believed to have been the original Number of the Beast in the Book of Revelation in the Christian Bible. In 2005, however, a fragment of papyrus 115 was revealed, containing the earliest known version of that part of the Book of Revelation discussing the Number of the Beast. It gave the number as 616, suggesting that this may have been the original. One possible explanation for the two different numbers is that they reflect two different spellings of Emperor Nero/Neron's name, for which (according to this theory) this number
Book of Revelation Book of Revelation The Book of Revelation, often called the Revelation to John, the Apocalypse of John, The Revelation, or simply Revelation, the Revelation of Jesus Christ (from its opening words) or the Apocalypse (and often misquoted as Revelations), is the final book of the New Testament, and therefore also the final book of the Christian Bible. It occupies a central place in Christian eschatology. Its title is derived from the first word of the text, written in Koine Greek: "apokalypsis", meaning "unveiling" or "revelation" (before title pages and titles, books were commonly known by the incipit, their first words,