All the nine digits are arranged here so as to form four square numbers.

9, 81, 324, 576

Which is the single smallest possible square number and a single largest possible square number using all the 9 digits exactly once?

What are the possible two, three & four number sets that follow this logic?

Edited on September 20, 2023, 8:36 am

Posted by K Sengupta on 2023-09-20 08:32:18