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| Problem of the Week; |*---The Problem of the Week---*| 12/15 | |
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| Topic Started: Dec 16 2006, 02:56 AM (800 Views) | |
| Admin | Dec 16 2006, 02:56 AM Post #1 |
Administrator
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Persistent Numbers -------12/15/06------- A persistent number is a number that, if multiplied by any positive integer the resulting number always contains the ten digits 0, 1, 2,...,9 in some order with possible repetitions. Prove that there are no persistent numbers. |
 
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| Admin | Dec 16 2006, 02:58 AM Post #2 |
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Please note that this is an easier problem than the last, and requires no knowledge of pigeons. One of you smarty-pants better get it within a week. |
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| Michel | Dec 22 2006, 11:55 PM Post #3 |
Chipmunk
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It is three hours and two minutes prior to being a week from then. No one will get it. You might as well answer it. |
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You cannot shake hands with a clenched fist. -Indira Gandhi (1917 - 1984) | |
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| Admin | Dec 23 2006, 12:40 AM Post #4 |
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Administrator
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Somebody better get this in less than two hours, then... |
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| Michel | Dec 23 2006, 12:41 AM Post #5 |
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Chipmunk
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A little over two hours now......time is running out! |
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You cannot shake hands with a clenched fist. -Indira Gandhi (1917 - 1984) | |
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| Thalia | Dec 26 2006, 02:37 AM Post #6 |
Mathematician
  ![]](http://z5.ifrm.com/static/1/pip_r.png)
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Ok, it's over a week. New problem, please. |
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Verba vestra intellegere non possum! | |
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| Michel | Dec 26 2006, 02:50 AM Post #7 |
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Chipmunk
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He doesn't like problems of the week, he appears to enjoy problems of the monthish period, though. |
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You cannot shake hands with a clenched fist. -Indira Gandhi (1917 - 1984) | |
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| Admin | Dec 26 2006, 04:44 AM Post #8 |
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Administrator
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That's becuase no one even tries to answer them. Come on people, it's a good problem but not that hard... |
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| Michel | Dec 26 2006, 05:10 AM Post #9 |
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Chipmunk
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It is to those who aren't smart!! |
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You cannot shake hands with a clenched fist. -Indira Gandhi (1917 - 1984) | |
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| Thalia | Dec 26 2006, 06:08 PM Post #10 |
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Mathematician
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Like you? |
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Verba vestra intellegere non possum! | |
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| Michel | Dec 26 2006, 06:10 PM Post #11 |
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Chipmunk
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No, I hope not.
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You cannot shake hands with a clenched fist. -Indira Gandhi (1917 - 1984) | |
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| SPAM Moderator | Jan 4 2007, 09:04 PM Post #12 |
Wallawallawalla
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Someone solve this, please. |
| Le Spam Moderator | |
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| Edwardted | Jan 14 2007, 02:56 AM Post #13 |
Twin Prime Conjecture
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Well there was that problem of the halfyear.......... And now a problem of an unkown long period of time. |
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| Michel | Jan 14 2007, 04:55 AM Post #14 |
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Chipmunk
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Andre, show unto us, the dolts, the answer to thine great mathematical query!! For we shalt never solveth thine amazing problems, straight from the hands of the Almighty Admin!! |
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You cannot shake hands with a clenched fist. -Indira Gandhi (1917 - 1984) | |
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| Thalia | Jan 14 2007, 03:28 PM Post #15 |
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Mathematician
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Sadly, I agree with Michel. |
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Verba vestra intellegere non possum! | |
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5:40 PM May 21