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  1. Why does this pattern occur: $123456789 \times 8 + 9

    Dec 31, 2019 · Why does this pattern occur: $123456789 \times 8 + 9 = 987654321$ Ask Question Asked 5 years, 11 months ago Modified 2 years, 1 month ago

  2. Puzzle - 123456789 = 100 with three operations?

    Jan 17, 2012 · Given the sequence 123456789: You can insert three operations ($+$,$-$,$\\times$,$/$) into this sequence to make the equation = 100. My question is: is there a way …

  3. Why is $\frac {987654321} {123456789} = 8.0000000729?!$

    May 20, 2013 · Many years ago, I noticed that $987654321/123456789 = 8.0000000729\\ldots$. I sent it in to Martin Gardner at Scientific American and he published it in his column!!! My life …

  4. soft question - Construct numbers using digits $123456789$ and …

    Construct numbers using digits $123456789$ and the operations $+,-,×,÷$ Ask Question Asked 11 years, 3 months ago Modified 11 years, 3 months ago

  5. Does $\\pi$ contain the combination $ 1234567890$?

    In the first 1 billion digits of $\pi$, I found two instances of $123456789$, but no instances of $1234567890$. Here's a simple example. In the first billion digits, there were $10049$ …

  6. Why does $987,654,321$ divided by $123,456,789 = 8$?

    Jan 20, 2017 · Why does $987,654,321$ divided by $123,456,789 = 8$? Is it a coincidence or is there a special reason? Note: The numbers are a mirror of each other

  7. Number theoretic puzzle involving 123456789 - Mathematics …

    Mar 24, 2018 · Number theoretic puzzle involving 123456789 Ask Question Asked 7 years, 8 months ago Modified 7 years, 8 months ago

  8. Why is $\\frac{987654321}{123456789}$ almost exactly $8$?

    May 7, 2017 · Closed 5 years ago. I just started typing some numbers in my calculator and accidentally realized that $\frac {123456789} {987654321}=1/8$ and vice versa $\frac …

  9. A Math trick with the number 246,913,578 - Mathematics Stack …

    Jan 11, 2013 · It's not entirely coincidence: 246,913,578 = 2·123,456,789. So of course that's what you get if you multiply by 5 or divide by 2. But I find it surprising that that's what you get if …

  10. Animations failing to load in Play Solo due to place ID being wrong

    Feb 12, 2025 · Note: the animation ID is replaced with 1337 and the place id is replaced with 123456789 When testing a game someone else owns using Play Solo, a message appears in …