Collatz in Python in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Maze Medal Tally 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Maze Medal Tally 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 361st Jacob385 872 78 5 Mar 2024 361st DGipe 872 78 13 May 2024 361st cyxv 872 78 2 Aug 2024 361st gallium-gonzollium 872 78 26 Aug 2024 361st Europe2048 872 78 24 Nov 2024 361st GeneralFabian 872 78 14 Dec 2024 382nd kevdah 861 79 27 May 2022 382nd jacklynnepenick 861 79 22 Jun 2022 382nd james-downey 861 79 9 Jul 2022 382nd andre-lameirinhas 🇵🇹 861 79 26 Jul 2022 382nd hamsterskywalker 861 79 7 Sep 2022 382nd Pena86 861 79 14 Sep 2022 382nd hymanimy 861 79 24 Nov 2022 382nd Demonarchet 861 79 18 Apr 2023 382nd dtaylor0 861 79 23 May 2023 382nd bac0id 861 79 26 Sep 2023 382nd neonchickens 861 79 6 Oct 2023 382nd MWI-polygolf 861 79 6 Dec 2023 382nd eddvrs 861 79 22 Dec 2023 382nd tknight00 861 79 7 Mar 2024 382nd thienudomsrirungruang 861 79 3 May 2024 382nd IsaacAlexBarden 861 79 6 Feb 2025 398th j-Ewan 850 80 13 May 2022 398th osmith93 850 80 14 Jun 2022 398th hjcafaroUC 850 80 21 Jun 2022 398th dankleeman 850 80 8 Aug 2022 398th dillon-duncando 850 80 4 Oct 2022 398th DrPiranoid 850 80 11 Nov 2022 398th mdnestor 850 80 23 Dec 2022 398th Edjyzod 850 80 7 Mar 2023 398th henry-von-wichert 850 80 31 Mar 2023 398th Hortaros 850 80 16 Apr 2023 398th ankeetparikh 850 80 5 May 2023 398th Neonader 850 80 9 May 2023 398th nickgza 850 80 17 Aug 2023 398th MiranDaniel 🇨🇿 850 80 30 Aug 2023 398th Fanrco 850 80 31 Aug 2023 398th nyoshe 850 80 10 Oct 2023 398th taesungh 850 80 15 Oct 2023 398th AzroyAr 850 80 28 Dec 2023 398th Alex-Huggett 🇬🇧 850 80 13 Apr 2024 398th RobertHoeh 850 80 27 May 2024 398th LorenzoDeGaspari 850 80 27 May 2024 419th abba23 840 81 26 May 2022 419th docd 840 81 8 Aug 2022 419th Smetalo 840 81 25 Aug 2022 419th glesnick 840 81 6 Sep 2022 419th Yareeeema 840 81 3 Nov 2022 419th RandGuy 840 81 23 Nov 2022 419th GWStuart 840 81 19 Dec 2022 419th wa1ker38552 840 81 22 May 2023 419th LimaoC 840 81 11 Aug 2023 419th robertovers 840 81 2 Oct 2023 419th RaBa21 840 81 12 Nov 2023 419th HanaEndUser 840 81 15 Feb 2024 419th Loag 840 81 22 Sep 2024 419th julian-hoelz 840 81 23 Sep 2024 419th JesseNoEyes 🇺🇸 840 81 4 Oct 2024 419th GoldStar184 840 81 27 Nov 2024 419th ihatethefrench 840 81 5 Jan 2025 436th Ailko 🇧🇪 829 82 12 May 2022 436th joshmoody24 829 82 12 May 2022 436th andrewgopher 829 82 25 Jun 2022 436th estomagordo 🇳🇱 829 82 26 Oct 2022 436th ThatAlo 829 82 14 Nov 2022 436th twocatsinatrenchcoat 829 82 29 Nov 2022 436th aid-f 829 82 21 Mar 2023 436th henrydukepickle 829 82 8 Dec 2023 436th amollberg 🇸🇪 829 82 3 Jan 2024 436th mrmena 🇦🇺 829 82 19 Mar 2024 436th rifatx 829 82 16 Jul 2024 447th bonevbs 819 83 8 May 2022 447th feherd 819 83 20 May 2022 447th pbleich 819 83 24 Aug 2022 447th RoscoeSmith 819 83 20 Nov 2022 Prev 376–450 of 667 Next