9949370777987917 is the smallest number whose square has as its smallest decimal digit 7.

Note that $9949370777987917^2 = 98989978877879888789778997998889$. What is the next such number?

## Friday, September 8, 2017

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## Friday, September 8, 2017

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Numbers such that 7 is the smallest decimal digit of their squares.

Random thoughts on a variety of topics, but mostly on science and technology.

9949370777987917 is the smallest number whose square has as its smallest decimal digit 7.

Note that $9949370777987917^2 = 98989978877879888789778997998889$. What is the next such number?

Note that $9949370777987917^2 = 98989978877879888789778997998889$. What is the next such number?

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