Thread: All 10 Digits
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Old 2007-06-15, 21:25   #1
davar55's Avatar
May 2004
New York City

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Default All 10 Digits

Find the smallest positive integral value of n
such that the standard decimal representation
for both 2n and 3n
each contains all ten decimal digits.

(What about 4n, 5n, etc. as well?)
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