3 ms·

Am I missing something? the number 1 is 1 in all of those bases and therefore can be written using 0 (0 times) and 1 (1 time).

• klodolph 9y ago
  Sometimes mathematicians forget to say "non-trivial", that's what you're missing.
• adenadel 9y ago
  Often in mathematics, we look for the nontrivial solutions to questions like this.