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something you do not yell in the middle of church.
"The word of the devil has spoken. 666! 666! 666!"
by Randi March 27, 2004
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
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by ecogoth December 30, 2020
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666 Six hundred and sixty six. The number before 667 and after 665. You will get to this number if you keep counting. Nothing but a number. also expressed as 1010011010 or 29A.
i saw 666 on my door oh god i'm so scared ! mamma mia!
by Xhamlliku October 29, 2004
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3
666 is an abundant number. It is the sum of the squares of the first seven prime numbers.

Since 36 is both square and triangular, 666 is the sixth number of the form n2(n2 + 1) / 2 (triangular squares) and the eighth number of the form n(n + 1)(n2 + n + 2) / 8 (doubly triangular numbers.)

There is no number whose value of Euler's totient function ö is 666, making it a nontotient.

The harmonic mean of the digits of 666 is an integer: 3/(1/6 + 1/6 + 1/6) = 6. 666 is the 54th number with this property.

In base 10, 666 is a palindromic number, a repdigit and a Smith number. A prime reciprocal magic square based on 1/149 in base 10 has a magic total of 666.

The Roman numeral representation of the number 666 (DCLXVI) uses once each the Roman numeral symbols with values under 1,000, and they occur in exact reverse order of their respective values (D = 500, C = 100, L = 50, X = 10, V = 5, I = 1).

I had no idea that the number 666 had any relavance to a legitimate mathmatical formula!
by Cortan May 23, 2006
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A Chinese slang term to praise someone for the excellence in the technique, or to reply to something that is surprisingly good.
You definitely nailed the rap battle, Laotie 666!
by Laotie November 26, 2020
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6
The number of the Beast/Anti Christ...usually used by trendy goth 14 year olds who want to seem evil.
That goth kid wrote 666 on his backpack, what a retard.
by yeah May 16, 2003
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