2

four twos

Making any integer with four 2s (eli.thegreenplace.net) Given exactly four instances of the digit 2 and some target natural number, use any mathematical operations to generate the target number with these 2s, using no other digits.

Bozeman, Montana (Wikipedia) Bozeman (/ˈboʊzmən/ BOHZ-mən) is a city in and the county seat of Gallatin County, Montana, United States. Located in southwest Montana, the 2020 census put Bozeman’s population at 53,293 making it the fourth-largest city in Montana. It is the principal city of the Bozeman, Montana, Micropolitan Statistical Area, consisting of all of Gallatin County with a population of 118,960. It is the fastest growing micropolitan statistical area in the United States in 2018, 2019 and 2020, as well as the second-largest of all Montana’s statistical areas.

How the Square Root of 2 Became a Number (quantamagazine.org) The ancient Greeks wanted to believe that the universe could be described in its entirety using only whole numbers and the ratios between them — fractions, or what we now call rational numbers. But this aspiration was undermined when they considered a square with sides of length 1, only to find that the length of its diagonal couldn’t possibly be written as a fraction.