Find all integers n>1 such that n is a power of 3, and n-1 is five times a power of 2.(adsbygoogle = window.adsbygoogle || []).push({});

Can anyone give me a push in the right direction?

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Modulo arithmetic (?) question

**Physics Forums | Science Articles, Homework Help, Discussion**