Each of the integers 1 to 10,000,000 is repeatedly replaced by its digital sum until we obtain a list of 10^7 decimal digits (a.k.a. digital roots).

Will this list have more ones or twos?

Justify your answer.

The 1s will appear more often(1111112 times) compared with the others(1111111 times).

Edited on January 11, 2024, 6:41 am

Posted by K Sengupta on 2024-01-11 06:41:25