17 points brihati | 1 comments | 11 Dec 25 06:50 UTC | HN request time: 0.001s | source

Problem with ambiguous boundaries, messy constraints and no linear path to a solution

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webglfan ◴[11 Dec 25 07:36 UTC] No.46228673[source]▶

I'll give you one: "Do any odd perfect numbers exist?"

You can watch a short documentary about it here: https://www.youtube.com/watch?v=Zrv1EDIqHkY

1. brihati ◴[11 Dec 25 11:33 UTC] No.46230125[source]▶

Is 2+2 still 4 :p

Ask HN: What hard problems are still underexplored?