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This is fun! but not so surprising to me: 987,654,321 + 123,456,789 = 1,111,111,110 1,111,111,110 + 123,456,789 = 1,234,567,899 \approx 1,234,567,890 So 987,654,321 + 2 x 123,456,789 \approx 10 x 123,456,789 Thus 987,654,321 / 123,456,789 \approx 8. If you squint you can see how it would work similarly in other bases. Add the 123... equivalent once to get the base-independent series of 1's, add a second time to get the base-independent 123...0. |