π \pi madness 2

In the first 1 , 000 , 000 1,000,000 digits of π \pi , how many 2020 2020 s are there?

Feel free to search for any derivations of π \pi

Details and Assumptions \textbf{Details and Assumptions}

\bullet The first 1 , 000 , 000 1,000,000 digits of π \pi includes the 3 3 in 3.1415... 3.1415... , so if the number is 3.1415 3.1415 there are 5 5 digits in that number.

\bullet Chains of digits such as this 202020 202020 is counted as 1 1 ( 2020 2020 ), but chains of digits such as this 20202020 20202020 is counted as 2 2 ( 2020 2020 )s and so on. . . . . Try my Other Problems


The answer is 104.

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1 solution

Mehul Arora
Feb 13, 2015

Search the first 1 million digits of pi..

Copy and paste it in a word document

Go to find and type 2020

It will display 68.

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