r/Collatz↗
The Collatz Conjecture
The Collatz Conjecture
2.9k subscribers139 posts / mo in Sep 202677 authors / mosince 2012
r/Collatz has 2.9k members (+66% over the last 12 months). It gets about 139 posts a month from 77 people.
When to post on r/Collatz
You've used today's free reports
Visitors without an account can open 3 subreddit reports a day. The best time to post on r/Collatz, removal risk and the rest of the report are one step away.
How r/Collatz has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Collatz
Brands people mention
Most-mentioned brands and sites, last 12 months
Posting rules for r/Collatz
Which post types r/Collatz allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.
Unlock this for r/Collatz
The blurred cards are a preview of the layout. The real numbers for r/Collatz open with an account.
How often posts get removed on r/Collatz
The best day and hour for r/Collatz, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.
Unlock this for r/Collatz
The blurred cards are a preview of the layout. The real numbers for r/Collatz open with an account.
What works on r/Collatz
Title and body length that does well on r/Collatz, and its mix of text posts, links, images, galleries and video.
Unlock this for r/Collatz
The blurred cards are a preview of the layout. The real numbers for r/Collatz open with an account.
Who posts on r/Collatz
Gender and age of the people who write on r/Collatz, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.
Unlock this for r/Collatz
The blurred cards are a preview of the layout. The real numbers for r/Collatz open with an account.
What people ask for on r/Collatz
Requests for recommendations, help and alternatives on r/Collatz, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.
Unlock this for r/Collatz
The blurred cards are a preview of the layout. The real numbers for r/Collatz open with an account.
Subreddits like r/Collatz
Communities that share topics, members or crossposts with r/Collatz.
Unlock this for r/Collatz
The blurred cards are a preview of the layout. The real numbers for r/Collatz open with an account.
See all of r/Collatz
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research