Collatz in Python in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 198th ArthurBond 851 74 20ms 19 Dec 2022 198th ItsMeNoobieboy 851 74 18ms 20 Dec 2022 198th Larspolo 851 74 18ms 25 Dec 2022 198th dcc5480 851 74 18ms 12 Jan 2023 198th Ripick 851 74 19ms 1 Feb 2023 198th m3nt0ras 🇬🇷 851 74 21ms 3 Feb 2023 198th Skwerl23 851 74 20ms 5 Feb 2023 198th frankgraziano 851 74 19ms 19 Feb 2023 198th KenanHanke 851 74 19ms 21 Feb 2023 198th DanielPeterssonAI 851 74 20ms 13 Mar 2023 198th jiaminglimjm 🇲🇾 851 74 18ms 20 Mar 2023 198th ejini6969 851 74 18ms 22 Mar 2023 198th GulgDev 851 74 18ms 22 Mar 2023 198th vrnprkh 851 74 19ms 30 Mar 2023 198th RuyiLi 851 74 21ms 1 Apr 2023 198th StardustGogeta 851 74 20ms 7 May 2023 198th zbreit 🇺🇸 851 74 19ms 7 May 2023 198th kyleclaassen 851 74 18ms 20 May 2023 198th mbittner20 851 74 18ms 27 May 2023 198th tweska 🇳🇱 851 74 19ms 5 Jun 2023 198th rollershutter 851 74 20ms 7 Jul 2023 198th 2011-Chan-Ethan 851 74 18ms 9 Jul 2023 198th cros107 🇦🇺 851 74 19ms 11 Aug 2023 198th yourlefthandman 851 74 19ms 16 Aug 2023 198th daisyyedda 851 74 22ms 17 Aug 2023 198th cesarm4 851 74 20ms 29 Aug 2023 198th midnattssol 🇸🇪 851 74 18ms 22 Sep 2023 198th lambda-abstraction 851 74 20ms 21 Oct 2023 198th levavft 851 74 18ms 26 Oct 2023 198th Buecherfresser 851 74 18ms 22 Nov 2023 198th anarconic 851 74 53ms 8 Dec 2023 198th azure-blondon 851 74 18ms 11 Dec 2023 198th kurkale6ka 851 74 20ms 20 Dec 2023 198th Dataen 851 74 20ms 10 Jan 2024 198th Anonymousellama21 851 74 20ms 14 Mar 2024 198th Bmrl7 851 74 20ms 23 Mar 2024 198th cefqrn 851 74 20ms 26 May 2024 198th drochom 851 74 19ms 18 Jun 2024 198th hiichbindermax 851 74 19ms 22 Jun 2024 198th wuzekai518 851 74 23ms 9 Jul 2024 198th madex 🇩🇪 851 74 19ms 9 Jul 2024 198th cykim8811 851 74 49ms 11 Jul 2024 198th imelxr 🇮🇱 851 74 24ms 17 Aug 2024 198th EnTerr 851 74 18ms 25 Aug 2024 198th Mabeloid 🇳🇴 851 74 19ms 1 Sep 2024 198th madeforlosers 851 74 19ms 5 Sep 2024 198th LostSyntax21 🇬🇧 851 74 19ms 10 Sep 2024 198th Deedogg 851 74 31ms 11 Sep 2024 198th MassimoParisi 851 74 19ms 18 Sep 2024 198th lifthrasiir 🇰🇷 851 74 19ms 13 Nov 2024 198th agreegious 851 74 18ms 17 Nov 2024 198th Stockoh 🇫🇷 851 74 23ms 17 Nov 2024 198th Andrey135296 851 74 20ms 24 Nov 2024 198th TralfamadorianComedian 851 74 18ms 6 Dec 2024 198th bltnppcnt 851 74 32ms 3 Jan 2025 198th ZorblaxV 851 74 19ms 12 Jan 2025 198th yokasuretsu 851 74 19ms 13 Jan 2025 198th Artemis21 🇬🇧 851 74 18ms 17 Jan 2025 198th gdpr777 851 74 32ms 10 Feb 2025 198th Pyroan 851 74 20ms 27 Mar 2025 198th Squimbletin 851 74 25ms 19 Apr 2025 198th Kowalskiexe 🇵🇱 851 74 19ms 19 Apr 2025 198th Dandandooo 851 74 19ms 23 Apr 2025 198th khangtm123 851 74 18ms 4 May 2025 198th 40fied4t 851 74 18ms 6 May 2025 198th keelimeguy 🇺🇸 851 74 19ms 13 May 2025 198th TheZwierzLF 🇵🇱 851 74 19ms 21 May 2025 198th kbeat 🇰🇿 851 74 19ms 21 May 2025 198th LvLError 851 74 19ms 29 May 2025 198th Lv0Sys 🇵🇱 851 74 19ms 30 May 2025 198th ffelixm 851 74 19ms 3 Jun 2025 198th Flekay 🇩🇪 851 74 43ms 19 Jun 2025 198th DoubleUynn 851 74 18ms 25 Jun 2025 198th osNiko 🇧🇷 851 74 20ms 26 Jul 2025 198th wobblybits 851 74 20ms 13 Aug 2025 First Prev 226–300 of 808 Next Last
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