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# What are Numbers Made of?
- URL: https://www.cascadepbs.org/show/infinite-series/episode/what-are-numbers-made-of-nwi6ht/
- Published: 2024-04-02T22:52:11.000Z
- Updated: 2025-08-21T06:35:57.000Z
- Description: In the physical world, objects are made of simpler parts. What are numbers made of?
- Author: Cascade PBS Staff
- Tags: Infinite Series, Season 2, Episode 12, #ZZZ_Episode_d24105a2-6f0f-4624-9a2d-3ff226a5fffe, #episode, #ZZZ_Show_0efdefa6-fb6f-44e5-96f1-baf9a8c090e2, #geo-us, #v1.16

In the physical world, many seemingly basic things turn out to be built from even more basic things. Molecules are made of atoms, atoms are made of protons, neutrons, and electrons. So what are numbers made of?