[{"data":1,"prerenderedAt":140},["ShallowReactive",2],{"project-44941553":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":33,"aspects":34,"strip":36,"post_text":38,"what":39,"said":48,"maker_in_thread":82,"shape":88,"grid":92,"attempts":103,"same_week":104,"maker_shows":33,"maker_hidden":133,"reader_version":134,"card":135},"44941553","Prime Piano","Playing Piano with Prime Numbers","title","Show HN: Playing Piano with Prime Numbers","https:\u002F\u002Fnabraj.com\u002Fdemo\u002Fprime-piano\u002F","nabraj.com","coffeecoders",1755530051,2025,8,5,3159,3837,83,"shown","creative","music generator","web_app",[24,21,25,26,27],"prime numbers","piano","math music","sonification","quiet",null,{"positive":31,"neutral":32,"mixed":31,"critical":32},0,1,2,{"idea":35},{"positive":31,"critical":32},[31,31,32,37,31],3,"I decided to turn prime numbers into a mini piano and see what kind of music they could make.\n\nInspired by: https:\u002F\u002Fnews.ycombinator.com\u002Fitem?id=44888548\n\nGithub: https:\u002F\u002Fgithub.com\u002Fneberej\u002Fprime-piano",{"problem":29,"audience":29,"pricing":29,"motivation":40,"time_to_build":29,"stack":46,"openness":47,"stage":47,"team_size":47},{"value":41,"source":42,"evidence":43},"Wanted to see what kind of music prime numbers could make.","maker",[44],{"id":45},"post",[],"unknown",{"praise":49,"objections":56,"requests":65,"questions":73,"alternatives":74},[50],{"value":51,"source":42,"evidence":52},"Clever way to make the hidden pattern of primes audible.",[53],{"id":54,"by":11,"text":55},"44942550","Very cool. Primes have such an irregular yet structured distribution, and mapping them to pitches is a clever way to make that hidden pattern audible.",[57],{"value":58,"source":59,"evidence":60},"Doubt the output differs meaningfully from random numbers fed through the same algorithm.","commenter",[61],{"id":62,"by":63,"text":64},"44977925","recursive","I don't think there's any insight available here. I doubt anyone could distinguish this from an RNG fed into the same algorithm without memorizing.",[66],{"value":67,"source":59,"evidence":68},"Map primes directly to Hz instead of piano scales.",[69],{"id":70,"by":71,"text":72},"44941716","drankl","I wonder how it sounds if you map the primes straight onto Hz instead of piano scales.",[],[75],{"value":76,"source":59,"evidence":77},"An earlier attempt mapping primes to minor scales, shown in a linked video.",[78],{"id":79,"by":80,"text":81},"44942490","vunderba","Nice job. Related, I remember seeing an attempt at mapping primes to minor scales a few years back. https:\u002F\u002Fwww.youtube.com\u002Fwatch?v=duVyBVNX3D8",{"comments":33,"answered":32,"key":83},[84,85],{"id":54,"text":55},{"id":86,"text":87},"44941889","It won't be a musical scale if mapped directly to Hz (maybe sine wave mapping?). For example, prime 2 → 2 Hz (inaudible), 101 → 101 Hz (deep bass), 1009 → ~1 kHz (bright tone).…",{"commenters":89,"max_depth":37,"maker_replies":33,"first_comment_mins":90,"lifespan_hours":91},4,16,78,[93,95,97,99,101],[79,31,31,94,80,31],"commenter\u002Fneutral\u002Fidea",[54,31,31,96,11,32],"maker\u002Fpositive\u002Fidea",[62,31,32,98,63,31],"project\u002Fcritical\u002Fidea",[70,32,37,100,71,31],"project\u002Fneutral\u002Fidea",[86,32,31,102,11,32],"project\u002Fneutral\u002Fdesign",[],[105,110,115,119,124,129],{"id":106,"name":107,"points":108,"category":109},"44962066","visualrambling.space",865,"learning_science",{"id":111,"name":112,"points":113,"category":114},"44923520","ScrollGuard",690,"productivity",{"id":116,"name":117,"points":118,"category":114},"44942731","Whispering",591,{"id":120,"name":121,"points":122,"category":123},"44931824","NextDNS",537,"infrastructure",{"id":125,"name":126,"points":127,"category":128},"44932651","OverType",471,"dev_tools",{"id":130,"name":131,"points":132,"category":123},"44915164","Edka",437,false,"v2",{"id":136,"name":5,"line":6,"ai":133,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":29,"top":18,"kw":137,"maker":11,"domain":10,"tier":19,"attempts":31,"strip":138,"url":9,"mix":139,"praise":51,"objection":58,"sub":21},44941553,[24,21,25,26,27],"00130",[31,32,31,32],1793991128052]