Number of Digits = Itself

Number Theory Level 1

The number of digits to the answer to this question so happens to be the number itself. What is the answer to this question?


The answer is 1.

Pi Han Goh by Pi Han Goh , 30, Malaysia

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1 solution

Viki Zeta
Nov 12, 2016

1 is the only natural number such that no of digits is equal to that number.

1 Helpful 0 Interesting 0 Brilliant 0 Confused

I ask pi Han goh to change the title as the title seems to be the answer. Thanks

Md Zuhair - 4 years, 7 months ago

This is not a proper solution.

I asked "What is X that satisfy this property?", you replied with "1 satisfy this property". But you didn't explain how you obtained the answer nor prove that the answer is unique or not.

Pi Han Goh - 4 years, 7 months ago

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As I said, "1" is the only natural number such that no of digits = value of that digit.

Viki Zeta - 4 years, 7 months ago

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