About the Number 666 (six hundred sixty-six)

While posting a nBAB for the number 670, MathBabbler noticed there wasn't a nBAB for the number 666.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   666 is a natural, whole, integer
   666 is even
   666 proper divisors are: 1,2,3,6,9,18,37,74,111,222,333,
   666 is abundant (sum of divisors is 816)
   666 is unhappy
   666 is a Harshad number
   666 is not prime
   666 has the prime factors: 2*3*3*37
   666 sum prime factors: 2...3...3...37...answer: 45
   666 is undulating
   666 is palindromic
   666 in octal is 01232
   666 in hexadecimal is 0x29a
   666 in binary is 1010011010 (is odious)
   666 nearest square numbers: -41...10 (625 [25]...676 [26])
   sqrt(666) = 25.807
   ln(666) = 6.50129
   log(666) = 2.82347
   666 reciprocal is .00150150150150150150150150150150
   666 is an apocalyptic power
   666! is 1.01063e+1593
   666 is 211.994 Pi years
   666 is 33 score and 6 years
   666 written as a Roman numeral is DCLXVI

[Wikipedia] 666 is the sum of the first 36 natural numbers.

[Wikipedia] 666 is the sum of the squares of the first 7 prime numbers.

[Wikipedia] The Roman numeral representation of the number 666 (DCLXVI) uses once each the Roman numeral symbols with values under 1,000, occurring in descending order of their respective values (D = 500, C = 100, L = 50, X = 10, V = 5, I = 1).

[Wikipedia] Hexakosioihexekontahexaphobia is the "fear of the number six hundred sixty-six."

From "The Joy of Pi"... The first 144 digits of Pi add up to 666. [And 144 equals (6 + 6) * (6 + 6).]

Update::2009.08.14

On 14 August 2009, MathBabbler posted his 666th tweet to Twitter.com.

666666 is 2,665,338.

MathBabbler uses the dc (reverse-polish) desk calculator which supports unlimited precision arithmetic. 666^666 is number that has 1908 digits and the pattern 666 occurs twice.

Update::2010.07.02

The 666th BARS was posted on 2 July 2010.

Update::2014.08.22

nBAB# 666 was posted on 22 August 2014. nBAB# 666 was BAB# 4020 and it was a nBAB about the number 4020.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 10 April 2009

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This work is licensed under a Creative Commons Attribution 3.0 United States License.