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Six Trippy Things About 666

  • The number 666 is a simple sum and difference of the first three 6th powers:
  • 666 = 16 – 26 + 36

  • It is also equal to the sum of its digits plus the cubes of its digits:
  • 666 = 6 + 6 + 6 + 63 + 63 + 63.

  • The sum of the squares of the first 7 primes is 666:
  • 666 = 22 + 32 + 52 + 72 + 112 + 132 + 172

  • The sequence of palindromic primes begins 2, 3, 5, 7, 11, 101, 131, 151, 181, 191, 313, 353, etc. Taking the last two of these, we discover that 666 is the sum of two consecutive palindromic primes:
  • 666 = 313 + 353

  • An approximation to pi is 355 ÷ 113 (i.e. 3.1415929…)

    If we were to anagramize the numerator and add it to the denominator, we’d get:

  • 553 + 113 = 666

  • Ever heard the term “web colors” or “web-safe colors”? This is one of the oldest concerns web designers have when it comes to making sure colors are displayed accurately on a web page across the Windows and Macintosh computer systems.

    Take a PC and a Mac, each with an 8-bit (256 color) monitor, and put them side by side. Both the Windows and the Macinotosh platforms reserve 40 of these 256 colors for their proprietary operating system, leaving 216 common colors. This palette of 216 common colors shared by both Windows and Macintosh systems is considered “web-safe”, and constitutes a set of 216 RGB values known as the “web palette”. As long as we use colors from the web palette, we can be sure that they will appear the same to a Windows user as a Mac user. You can think of web-safe colors as a lowest common demoninator.

    Under the hood, your computer’s RGB monitor has three separate light emitting cones, one for each Red, Green, and Blue channel. It is the various combinations of RGB values that create all the different hues and brightness values you see on your computer screen.

    To stay within the 216 color web palette, the three R, G, and B cones are each limited to how many values they can have. These values are 0%, 20%, 40%, 60%, 80%, and 100%. Count that. Six values for each of the three channels.

    Six values for Red, six values for Green, six values for Blue.

  • 6 x 6 x 6 = 216

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