. Anthony denotes in sequence all positive integers which are divisible by 2. Bertha denotes in sequence all positive integers which are divisible by 3. Claire denotes in sequence all positive integers which are divisible by 4. Orderly Dora denotes all numbers written by the other three. Thereby she puts them in order by size and does not repeat a number. What is the 2017th number in her list?
¨Proposed by Richard Henner combinatoricsnumber theory