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8647 Is a Prime Number

https://www.numberempire.com/8647

14•bryan0•1h ago

Comments

turtleyacht•1h ago

See also Online Encyclopedia of Integer Sequences (OEIS):

https://oeis.org/search?q=8647&language=english&go=Search

brian-armstrong•1h ago

Or the Cinco Encyclopedia of Numbers https://youtube.com/watch?v=ZI3QxgjLGbQ

Thanks, Cinco

zirkonit•1h ago

Necessary context for someone probably being more detached from US politics:

Former FBI Director James Comey — fired by Trump in 2017 and one of his most prominent critics ever since — was indicted this week by Trump's Justice Department for allegedly threatening the president's life through a May 2025 Instagram photo of seashells arranged to spell "8647" (a protest slogan where "86" is slang for "get rid of" and "47" refers to Trump as the 47th president), which Comey says he intended as political commentary, not a call to violence.

Claude AI agent admits: “I violated every principle” after wiping firm database

https://www.theguardian.com/technology/2026/apr/29/claude-ai-deletes-firm-database

1•ZeidJ•3m ago•2 comments

Why Solid State Batteries Short

https://hackaday.com/2026/04/27/why-solid-state-batteries-short/

1•omer_k•4m ago•0 comments

Trustworthy and Valuable Partnership

1•loveTech•4m ago•0 comments

PostgreSQL and the OOM Killer: Why We Use Strict Memory Overcommit

https://www.ubicloud.com/blog/postgresql-and-the-oom-killer-why-we-use-strict-memory-overcommit

1•lfittl•5m ago•0 comments

BioAge's pill aimed at reducing heart risks significantly reduced inflammation

https://www.statnews.com/2026/04/21/bioage-drug-inflammation-cardiovascular-risks/

1•warbaker•10m ago•0 comments

NASA chief hints at campaign to make Pluto a planet again

https://www.scientificamerican.com/article/nasa-chief-jared-isaacman-hints-at-campaign-to-make-pl...

2•1659447091•12m ago•0 comments

My friends left me because I told them I was a furry

2•PhiPawWolf•13m ago•1 comments

Heard some people like wheels? [video]

https://www.youtube.com/watch?v=srPz8TRpZ_8

1•mizzao•14m ago•0 comments

What Can We Gain by Losing Infinity?

https://www.quantamagazine.org/what-can-we-gain-by-losing-infinity-20260429/

1•pseudolus•14m ago•0 comments

TSRX: TypeScript extension for building declarative UIs in an agentic era

https://tsrx.dev/

1•luispa•15m ago•0 comments

The workouts of Formula 1 drivers might help computer users with 'tech neck'

https://apnews.com/article/computer-neck-pain-racing-drivers-exercises-2f4dee37c7e7cfbbdff237cf70...

1•1659447091•18m ago•0 comments

AdOps Auditor – AI-powered campaign naming convention auditor for GAM/SFMC/DOOH

https://www.adopsauditor.com/

1•InfinteOven•20m ago•0 comments

Google Releases Branded yarmulkes

https://twitter.com/samsheffer/status/2049505564359565760

1•cramsession•21m ago•0 comments

pacquet: the official pnpm rewrite in Rust

https://github.com/pnpm/pacquet

1•bpierre•21m ago•0 comments

Knee surgery for cartilage damage does not benefit patients, study suggests

https://www.theguardian.com/science/2026/apr/29/knee-surgery-cartilage-damage-patients-study

1•littlexsparkee•21m ago•0 comments

Quint – Behavioral security for AI agents, OS-level interception

https://quintai.dev

1•amerabbadi•22m ago•0 comments

Leading Charity Stops Funding Open Access Publishing Because It's Not Working

https://www.techdirt.com/2026/04/29/leading-cancer-charity-stops-funding-open-access-publishing-b...

1•dangle1•28m ago•0 comments

A Scientist Says Humans Will Go Backwards in Time Within Just 3 Years

https://www.popularmechanics.com/science/a71165617/humans-will-go-backwards-in-time-scientist-says/

1•RickJWagner•28m ago•1 comments

Stripe Treasury

https://stripe.com/treasury

1•bpierre•32m ago•1 comments

Andrej Karpathy: From Vibe Coding to Agentic Engineering [video]

https://www.youtube.com/watch?v=96jN2OCOfLs

2•auchenberg•34m ago•0 comments

Nvidia executive: AI is more expensive than paying human workers

https://fortune.com/2026/04/28/nvidia-executive-cost-of-ai-is-greater-than-cost-of-employees/

3•generic92034•35m ago•3 comments

Quiet Piggy

https://theweeklylist.substack.com/p/a-compilation-of-trumps-insults-of

1•spacebarshift•36m ago•0 comments

The career you started isn't the career you'll finish [audio]

https://www.ministryoftesting.com/podcasts/into-the-motaverse?wchannelid=b2j0jiwz2n&wmediaid=qrgg...

1•mooreds•36m ago•0 comments

The universe is not where things are, but where they go

https://manlius.substack.com/p/living-in-a-flow-the-universe-is

1•anigbrowl•43m ago•0 comments

A Comprehensive Zig SDK for Cloudflare Workers

https://github.com/nilslice/workers-zig

2•adewale•47m ago•0 comments

Starship – Test Like You Fly

https://www.youtube.com/watch?v=ANe_HW4X8oc

2•tiziano88•47m ago•0 comments

Why US Trucking Is So Deadly

https://www.nytimes.com/2026/04/24/opinion/trucking-safety.html

2•throw0101a•48m ago•1 comments

Uber Can Bring You Dinner. Now, It Wants to Book Your Hotel Room

https://www.nytimes.com/2026/04/29/travel/uber-hotel-booking-expedia.html

1•jbredeche•49m ago•0 comments

Qwen corrects code saying that Taiwan is a country

https://twitter.com/wongmjane/status/2049555509624312217

2•franciscop•51m ago•0 comments

Engineering tough blood clots for rapid haemostasis and enhanced regeneration

https://www.nature.com/articles/s41586-026-10412-y

1•warbaker•51m ago•1 comments