Making any integer with four 2s - Eli Bendersky's website
Making any integer with four 2s February 22, 2025 at 14:53 Tags Math There's a cute math puzzle that can be interesting to folks on very different levels: Given exactly four instances of the digit 2 and some target natural number, use any mathematical operations to generate the target number with th...
Hasnain says:
Coolest math fact I’ve learned in a while.
“One may claim this is cheating, but it seems to be in line with the rules of the puzzle! Note that the entity n doesn't actually appear anywhere - it's just a helper to count the number of repeated square roots.”
Posted on 2025-02-24T06:11:54+0000