isi-entrance 2023 Q1

isi-entrance · India · UGB Number Theory Properties of Integer Sequences and Digit Analysis
Determine all integers $n > 1$ such that every power of $n$ has an odd number of digits. 
Determine all integers $n > 1$ such that every power of $n$ has an odd number of digits.
Paper Questions
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8