whats up with that 9 thing

topic posted Tue, November 3, 2009 - 4:41 AM by  155 monkey fist
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9 X 8 = 72 = 7+2=9

9 X 49 = 441=4+4+1=9

9 X 288=2592= 2+5+9+2= 18 = 1+8=9

9 X 348921 = 3140289 = 3+1+4+0+2+8+9= 27 = 2+7= 9

9 X 999999999 = 8999999991= 8+9+9+9+9+9+9+9+9+1=81 = 8 +1 = 9

whatever number you multiply with 9 and...
well, you still end up with 9...
weird*
posted by:
155 monkey fist
Los Angeles
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  • Re: whats up with that 9 thing

    Tue, November 3, 2009 - 9:24 AM
    9 X 1 = 9

    9 X 2 = 18 = 1 + 8 + 9

    9 X 3 = 27 = 2 + 7 = 9

    9 X 4 = 36 = 3 + 6 = 9

    9 X 5 = 45 = 4 + 5 = 9

    9 X 6 = 54 = etc etc

    some randoms

    9 X 4876 = 43884 = 4 + 3 + 8 + 8 + 4 = 27 = 2 + 7 = 9

    9 X 523357215 = 4710214935 = 4 + 7 + 1 + 0 + 2 + 1 + 4 + 9 + 3 + 5 = 36 = 3 + 6 = 9

    ok, you're right
    weird*
    though i'm sure it's just simply mathematically logical
    but still weird*

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