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The Trinity Hall Prime - Numberphile

30 videos recommended on HN
YouTube
1 HN user recommended this explainer1 month2017–2020 score 1.5
Years with an HN recommendation, 2007–2026

Cited as the origin of the prime-number portrait trend and as an example of drawings made with primes.

Numberphile with Tadashi Tokieda on the Trinity Hall Prime, a prime number whose digits form a picture of the college's coat of arms, left as a gift by a departing mathematician.

“I love his video explaining how someone found a prime that looks like the Arms of Trinity Hall [1].” (HN, 2018)

1 strong recommendations · 3 citations · Explainers

4 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

@luisb Mar 2018 Strongly recommends
on HN thread Round Peg in a Square Hole [video]
Tadashi is awesome! I love his video explaining how someone found a prime that looks like the Arms of Trinity Hall [1]. Highly recommend all videos from Numberphile [2] and Fermat's Library [3]. [1] [this video] [2] [link] [3] [link]
Explains a prime that looks like the Arms of Trinity Hall

Citations, criticism and jokes

@ehsankia Sep 2017 Cites it
on HN thread The Corpus Christi Prime
Here is one script [0] that was posted on Github yesterday, I believe a few others have been popping up ever since this video [1] by Numberphile on Thursday. [0] [link] [1] [this video]
Numberphile video that prompted scripts for prime portraits

Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.

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