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Originally Posted by MrToast
121 = 112
Take the digits used in 112 and rearrange them to get.... 121! Cool, huh?
121 in base 3 is 16 in decimal...
121 in base 4 is 25 in decimal...
121 in base 5 is 36 in decimal...
121 in base 6 is 49 in decimal...
121 in base 7 is 64 in decimal...
121 in base 8 is 81 in decimal...
121 in base 9 is 100 in decimal...
Interesting how they're all square numbers.
MrToast, the math dork.
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If you want to take it another step team 1331 would be all cubes when converted to decimal from whatever base.
1331 in base 4 is 125 in decimal....
1331 in base 5 is 216 in decimal....
There is a mathematical reason for this trend. I'll leave the proof to the reader. I recommend posting it in the Math & Science section, though.