Noora Number

Limits: 2s, 512 MB

A number is a “Noora” number if the count of distinct digits of the number is equal to the maximum digit of the number. So, 123 is a Noora number but 124 is not. Some of the first Noora number are 1,11,12,20,21,103,111,112, …. .

This is a companion discussion topic for the original entry at