Uploaded May 2023 | Updated September 2026, 2 weeks ago

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Featuring Dr James Grime. More links & stuff in full description below ↓↓↓

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Practical Numbers (AKA panarithmic numbers) on the OEIS: oeis.org/A005153

James Grime: singingbanana.com
His YouTube channel: youtube.com/user/singingbanana
More James on Numberphile: bit.ly/grimevideos

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