Something old and something new collided last week in a way that I found very engaging. The old was a science fiction series I read long ago, the Heechee saga by Frederik Pohl (1919-2013). What’s relevant here is that the alien Heechee used a number system based on prime numbers.
The new was this recent Substack post by Richard Green, a math writer and teacher. It, too, features a system based on primes, and I realized it solves a problem that has long bothered me about the putative Heechee number system.
Let me explain…
In the recent post 












