KöMaL 2017 C1450
In base notation, where , a number is divisible by 3 if and only if the sum of its digits is divisible by 3. Determine all such .
Official text KöMaL. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.