"Demonic" 666 found in massive palindromic prime number

1,000,000,000,000,066,600,000,000,000,001 is a prime number.
It's unusual for at least two reasons. First, it's a palindrome, so it reads the same backwards as forwards (not counting the commas). Second, it has a 666 in the middle, which is a number associated with the Mark of the Beast in the Bible's Book of Revelation. — Read the rest
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