A Problem with Infinite Hotel Keys - Numberphile

Tom Crawford poses a problem and finds an answer -- Learn more and apply to Jane Street’s WiSE program in New York, London or Hong Kong: https://jane-st.co/wise-numberphile (channel sponsor) -- More links & stuff in full description below ↓↓↓ Extra footage from this video - we take it further - https://youtu.be/txoJDJxhv4E Infinity on Numberphile - https://www.youtube.com/playlist?list=PLt5AfwLFPxWKORZ3UeTKlJiJa-89BBz3t Tom Crawford's website, with links to his work and other outreach: https://tomrocksmaths.com More Tom videos on Numberphile: http://bit.ly/Crawford_Videos Tom on the Number…