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 140th firegene 🇮🇪 863 73 19ms 27 Sep 2022 140th OhmNomNom 863 73 23ms 7 Oct 2022 140th 0-4849 863 73 19ms 1 Nov 2022 140th M0PKOBKA 863 73 23ms 19 Dec 2022 140th calumacutt 863 73 23ms 19 Dec 2022 140th thehylian 863 73 20ms 2 Jan 2023 140th fynnkroeger 863 73 23ms 6 Jan 2023 140th shellbertt 🇨🇦 863 73 21ms 13 Jan 2023 140th hunt-g 863 73 19ms 4 Feb 2023 140th ljweel 863 73 20ms 13 Feb 2023 140th jmerle 🇳🇱 863 73 19ms 16 Feb 2023 140th TaserTheFox 🇺🇸 863 73 21ms 14 Mar 2023 140th pinguicula 863 73 20ms 6 Apr 2023 140th TheoKeller1 863 73 24ms 11 Jun 2023 140th fkantelberg 863 73 20ms 16 Jul 2023 140th Mikey-Beep 🇬🇧 863 73 19ms 31 Aug 2023 140th eiburns 863 73 22ms 9 Oct 2023 140th htareque 863 73 20ms 13 Oct 2023 140th wearsunscreen 863 73 20ms 18 Oct 2023 140th Grrisly 863 73 20ms 10 Nov 2023 140th m42km 863 73 20ms 11 Nov 2023 140th GeneralPoxter 863 73 21ms 7 Dec 2023 140th logvp 863 73 24ms 12 Jan 2024 140th JoaoFelipe3 863 73 21ms 13 Jan 2024 140th ehulinsky 🇺🇸 863 73 19ms 16 Feb 2024 140th Lewenhaupt 863 73 19ms 23 Feb 2024 140th Yewzir 🇧🇪 863 73 22ms 5 Apr 2024 140th stertooy 🇧🇪 863 73 19ms 9 Jun 2024 140th cuboids 863 73 20ms 11 Jul 2024 140th jipsong 🇩🇪 863 73 22ms 23 Jul 2024 140th mattyhempstead 863 73 21ms 6 Oct 2024 140th wh3n3v3r 🇨🇿 863 73 18ms 18 Nov 2024 140th klixel 🇨🇦 863 73 21ms 18 Nov 2024 140th tjwrenn 863 73 19ms 10 Dec 2024 140th nullie 863 73 19ms 19 Dec 2024 140th maxgodfrey2004 🇨🇦 863 73 20ms 13 Feb 2025 140th lolgeny 863 73 20ms 22 Feb 2025 140th andrewjc2000 863 73 26ms 23 Feb 2025 140th Bulmenisaurus 863 73 20ms 2 Mar 2025 140th souta-1326 863 73 20ms 1 Apr 2025 140th BenjaminHGong 863 73 19ms 26 May 2025 140th FEZfan 🇦🇺 863 73 20ms 11 Jul 2025 140th wuduculfre 863 73 20ms 28 Jul 2025 140th BREMAUCY 🇫🇷 863 73 19ms 24 Aug 2025 140th FortuiteMan 🇫🇷 863 73 21ms 28 Sep 2025 140th miaoaixuan 863 73 19ms 30 Sep 2025 197th TobyBoyne 🇬🇧 851 74 19ms 4 May 2022 197th RDShah 851 74 19ms 6 May 2022 197th Indivicivet 851 74 18ms 9 May 2022 197th CedricGebistorf 851 74 18ms 9 May 2022 197th ophact 851 74 21ms 11 May 2022 197th ImpressedByRocks 851 74 18ms 17 May 2022 197th LHuitre 851 74 18ms 2 Jun 2022 197th neihousaigaai 851 74 17ms 8 Jun 2022 197th rowboat1 851 74 20ms 10 Jun 2022 197th inverseLorentz 🇦🇺 851 74 19ms 13 Jun 2022 197th yzhs 🇩🇪 851 74 18ms 16 Jun 2022 197th clementblaudeau 851 74 26ms 29 Jun 2022 197th adoxography 851 74 22ms 13 Jul 2022 197th Attero 🇸🇪 851 74 19ms 20 Jul 2022 197th Heathcorp 🇦🇺 851 74 19ms 27 Jul 2022 197th jfallon1997 851 74 19ms 11 Aug 2022 197th VictorFordham 851 74 23ms 26 Aug 2022 197th georgehulme 851 74 20ms 1 Sep 2022 197th smartiel 851 74 19ms 15 Sep 2022 197th trist224 🇫🇷 851 74 18ms 21 Sep 2022 197th Kloppermand 🇩🇰 851 74 19ms 7 Oct 2022 197th knutae 🇳🇴 851 74 19ms 9 Oct 2022 197th Troon 851 74 21ms 14 Oct 2022 197th MaxElf999 851 74 22ms 14 Oct 2022 197th jakobkordez 🇸🇮 851 74 19ms 19 Oct 2022 197th Fishron 851 74 18ms 29 Nov 2022 197th SniperSmiley 🇺🇸 851 74 19ms 6 Dec 2022 197th elephantpanda 851 74 20ms 10 Dec 2022 197th ArthurBond 851 74 20ms 19 Dec 2022 First Prev 151–225 of 808 Next Last
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