Non-negative integer up to 2²⁰−1—binary string without leading zeros (except zero).
The tool accepts a non‑negative integer from 0 up to 1 048 575 (2²⁰−1) and prints its base‑2 representation without leading zeros (except the single digit 0).
This calculator uses plain decimal numbers. If a result looks wrong, check whether you used a comma instead of a dot (or vice versa) where the field expects one.