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2006 VTRMC
Problem 1
no 1 in base 3 for n or n^2
no 1 in base 3 for n or n^2
Source: VTRMC 2006 P1
June 5, 2021
number theory
Digits
Problem Statement
Find, with proof, all positive integers
n
n
n
such that neither
n
n
n
nor
n
2
n^2
n
2
contain a
1
1
1
when written in base
3
3
3
.
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