Some thoughts on the Collatz Conjecture

Been reading about the Collatz Conjecture lately. Just wanted to share some observations. The Setup Start with any positive integer n: If n is even, divide by 2 If n is odd, multiply by 3 and add 1...

By · · 1 min read
Some thoughts on the Collatz Conjecture

Source: DEV Community

Been reading about the Collatz Conjecture lately. Just wanted to share some observations. The Setup Start with any positive integer n: If n is even, divide by 2 If n is odd, multiply by 3 and add 1 Repeat The claim: you'll always eventually reach 1. I find it interesting that a middle schooler can understand the rules, yet nobody has proven it. Take 27: 27 → 82 → 41 → 124 → 62 → 31 → 94 → 47 → 142 → 71 → 214 → 107 → 322 → ... → 1 Takes 111 steps, peaks at 9232. What I've Read From what I understand: Checked computationally up to about 3 × 10²⁰ Terras (1976) showed "almost all" numbers work (in some precise sense) Tao (2019) strengthened this result But there's no proof for all numbers. What Seems Hard The operation mixes two different types of behavior: Division by 2 (predictable) 3n + 1 (less predictable) Erdős apparently said mathematics may not be ready for such problems. Not sure what to make of that, but it's interesting. Patterns I Noticed Looking at "stopping time" (steps until

Related Posts

Trending on ShareHub

  1. Understanding Modern JavaScript Frameworks in 2026
    by Alex Chen · Feb 12, 2026 · 0 likes
  2. The System Design Primer
    by Sarah Kim · Feb 12, 2026 · 0 likes
  3. Just shipped my first open-source project!
    by Alex Chen · Feb 12, 2026 · 0 likes
  4. OpenAI Blog
    by Sarah Kim · Feb 12, 2026 · 0 likes
  5. Building Accessible Web Applications: A Practical Guide
    by Alex Chen · Feb 12, 2026 · 0 likes
  6. Rapper Lil Poppa dead at 25, days after releasing new music
    Rapper Lil Poppa dead at 25, days after releasing new music
    by Anonymous User · Feb 19, 2026 · 0 likes
  7. write-for-us
    by Volt Raven · Mar 7, 2026 · 0 likes
  8. Before the Coffee Gets Cold: Heartfelt Story of Time Travel and Second Chances
    Before the Coffee Gets Cold: Heartfelt Story of Time Travel and Second Chances
    by Anonymous User · Feb 12, 2026 · 0 likes
    #coffee gets cold #the #time travel
  9. Best DoorDash Promo Code Reddit Finds for Top Discounts
    Best DoorDash Promo Code Reddit Finds for Top Discounts
    by Anonymous User · Feb 12, 2026 · 0 likes
    #doordash #promo #reddit
  10. Premium SEO Services That Boost Rankings & Revenue | VirtualSEO.Expert
    by Anonymous User · Feb 12, 2026 · 0 likes
  11. NBC under fire for commentary about Team USA women's hockey team
    NBC under fire for commentary about Team USA women's hockey team
    by Anonymous User · Feb 18, 2026 · 0 likes
  12. Where to Watch The Nanny: Streaming and Online Viewing Options
    Where to Watch The Nanny: Streaming and Online Viewing Options
    by Anonymous User · Feb 12, 2026 · 0 likes
    #streaming #the nanny #where
  13. How Much Is Kindle Unlimited? Subscription Cost and Plan Details
    How Much Is Kindle Unlimited? Subscription Cost and Plan Details
    by Anonymous User · Feb 12, 2026 · 0 likes
    #kindle unlimited #subscription #unlimited
  14. Russian skater facing backlash for comment about Amber Glenn
    Russian skater facing backlash for comment about Amber Glenn
    by Anonymous User · Feb 18, 2026 · 0 likes
  15. Google News
    Google News
    by Anonymous User · Feb 18, 2026 · 0 likes

Latest on ShareHub

Browse Topics

#artificial intelligence (10387)#generative ai (5667)#ai infrastructure (4801)#deep learning (4309)#gaming (3538)#pro graphics (3388)#geforce now (2854)#cloud gaming (2816)#geforcenowcommunity (2801)#corporate (2590)

Around the Network