Collatz in Python in chars. 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 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 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 Chars Time Submitted 433rd GeneralFabian 731 78 26ms 14 Dec 2024 452nd kevdah 722 79 21ms 27 May 2022 452nd jacklynnepenick 722 79 18ms 22 Jun 2022 452nd james-downey 722 79 24ms 9 Jul 2022 452nd andre-lameirinhas 🇵🇹 722 79 22ms 26 Jul 2022 452nd hamsterskywalker 722 79 22ms 7 Sep 2022 452nd Pena86 722 79 26ms 14 Sep 2022 452nd hymanimy 722 79 25ms 24 Nov 2022 452nd Demonarchet 722 79 19ms 18 Apr 2023 452nd dtaylor0 722 79 18ms 23 May 2023 452nd neonchickens 722 79 26ms 6 Oct 2023 452nd MWI-polygolf 722 79 18ms 6 Dec 2023 452nd eddvrs 722 79 22ms 22 Dec 2023 452nd tknight00 722 79 26ms 7 Mar 2024 452nd thienudomsrirungruang 722 79 45ms 3 May 2024 452nd IsaacAlexBarden 722 79 26ms 6 Feb 2025 452nd taesungh 722 79 23ms 7 Jun 2025 452nd benvreeves 722 79 20ms 25 Jul 2025 452nd saturzay 722 79 25ms 19 Aug 2025 452nd tomh1012 722 79 22ms 11 hours ago 471st j-Ewan 713 80 21ms 13 May 2022 471st osmith93 713 80 33ms 14 Jun 2022 471st hjcafaroUC 713 80 24ms 21 Jun 2022 471st dankleeman 713 80 19ms 8 Aug 2022 471st dillon-duncando 713 80 21ms 4 Oct 2022 471st DrPiranoid 713 80 22ms 11 Nov 2022 471st mdnestor 713 80 22ms 23 Dec 2022 471st Edjyzod 713 80 15ms 7 Mar 2023 471st henry-von-wichert 713 80 25ms 31 Mar 2023 471st Hortaros 713 80 21ms 16 Apr 2023 471st ankeetparikh 713 80 18ms 5 May 2023 471st Neonader 713 80 24ms 9 May 2023 471st nickgza 713 80 16ms 17 Aug 2023 471st MiranDaniel 🇨🇿 713 80 25ms 30 Aug 2023 471st Fanrco 713 80 18ms 31 Aug 2023 471st nyoshe 713 80 19ms 10 Oct 2023 471st AzroyAr 713 80 26ms 28 Dec 2023 471st Alex-Huggett 🇬🇧 713 80 53ms 13 Apr 2024 471st RobertHoeh 713 80 25ms 27 May 2024 471st LorenzoDeGaspari 713 80 24ms 27 May 2024 471st AstroOrbis 713 80 25ms 7 May 2025 471st vgamula 🇺🇦 713 80 22ms 16 Jul 2025 471st imoxyg 713 80 22ms 29 Aug 2025 471st Tristanchaang 713 80 24ms 20 days ago 495th abba23 704 81 25ms 26 May 2022 495th docd 704 81 18ms 8 Aug 2022 495th Smetalo 704 81 25ms 25 Aug 2022 495th glesnick 704 81 23ms 6 Sep 2022 495th Yareeeema 704 81 22ms 3 Nov 2022 495th RandGuy 704 81 25ms 23 Nov 2022 495th GWStuart 704 81 24ms 19 Dec 2022 495th wa1ker38552 704 81 19ms 22 May 2023 495th LimaoC 704 81 22ms 11 Aug 2023 495th robertovers 704 81 25ms 2 Oct 2023 495th HanaEndUser 704 81 20ms 15 Feb 2024 495th Loag 704 81 17ms 22 Sep 2024 495th julian-hoelz 704 81 18ms 23 Sep 2024 495th JesseNoEyes 🇺🇸 704 81 19ms 4 Oct 2024 495th GoldStar184 704 81 24ms 27 Nov 2024 495th ihatethefrench 704 81 23ms 5 Jan 2025 495th csharpython 704 81 15ms 2 Aug 2025 512th Ailko 🇧🇪 695 82 26ms 12 May 2022 512th joshmoody24 695 82 25ms 12 May 2022 512th andrewgopher 695 82 18ms 25 Jun 2022 512th estomagordo 🇳🇱 695 82 24ms 26 Oct 2022 512th ThatAlo 695 82 24ms 14 Nov 2022 512th twocatsinatrenchcoat 695 82 18ms 29 Nov 2022 512th aid-f 695 82 21ms 21 Mar 2023 512th nooby31415 695 82 19ms 3 Nov 2023 512th henrydukepickle 695 82 17ms 8 Dec 2023 512th amollberg 🇸🇪 695 82 23ms 3 Jan 2024 512th mrmena 🇦🇺 695 82 26ms 19 Mar 2024 512th rifatx 695 82 22ms 16 Jul 2024 512th NicoH76 695 82 18ms 24 Apr 2025 512th 0dyse 695 82 24ms 29 Apr 2025 First Prev 451–525 of 808 Next Last