The Mandelbrot hole will go live in approximately 6 hours. Why not try and solve it ahead of time?
Collatz in all languages 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 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 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 Colors (Inverse) 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 Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 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 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 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 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 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 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 Colors (Inverse) 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 Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 520th janbehrens 🇩🇪 906 59 17 May 2023 520th Shanethegamer 🇺🇸 906 59 25 May 2023 520th Maznek 906 59 26 Jun 2023 520th SpiritAxolotl 🇺🇸 906 59 20 Mar 2024 520th Andrey-Plotnikov 906 59 19 May 2024 520th emgordon154 906 59 5 Aug 2024 520th duckyluuk 🇳🇱 906 59 3 Oct 2024 520th lifthrasiir 🇰🇷 906 59 23 Nov 2024 520th fuzzylojik-golf 🇺🇸 906 59 1 Jun 2025 520th acollett89 906 59 13 days ago 536th GolfingSuccess 🇬🇷 906 64 14 Dec 2024 536th MeWhenI 🇻🇦 906 64 24 Dec 2024 538th GrayJoKing 🇦🇺 906 71 10 Aug 2023 539th ovs-code 🇩🇪 906 84 25 Sep 2022 539th GrayJoKing 🇦🇺 906 84 11 Aug 2023 541st MeWhenI 🇻🇦 906 110 9 Feb 2023 541st edsrzf 🇳🇿 906 110 28 Nov 2024 541st targrik 906 110 8 hours ago 544th MeWhenI 🇻🇦 905 63 5 May 2022 545th krcs 🇵🇱 905 86 10 May 2022 545th billings7 🇬🇧 905 86 15 May 2022 545th revlayle 🇺🇸 905 86 7 Dec 2022 545th Widgitty 905 86 1 Sep 2023 549th shinh 904 52 29 Jun 2022 549th pardouin 🇫🇷 904 52 12 Apr 2025 551st Lydxn 🇨🇦 904 64 1 Apr 2023 552nd DialFrost 🇸🇬 904 77 27 Feb 2025 553rd Steffan153 🇫🇮 904 80 15 Nov 2022 553rd error256 904 80 8 Apr 2025 555th marshallward 🇺🇸 904 83 10 May 2022 556th nipzu 903 48 8 Sep 2024 557th m-tkach 🇺🇦 903 90 7 Dec 2023 558th MeWhenI 🇻🇦 902 71 20 Aug 2024 559th Shanethegamer 🇺🇸 902 72 4 May 2022 559th jared-hughes 902 72 4 May 2022 559th Waffle3z 902 72 5 May 2022 559th m-tkach 🇺🇦 902 72 16 Oct 2022 559th GrayJoKing 🇦🇺 902 72 22 Oct 2022 559th emplv 🇱🇻 902 72 27 Oct 2022 559th sean-niemann 🇺🇸 902 72 7 Mar 2025 559th Blendi-Goose 902 72 16 Mar 2025 559th edsrzf 🇳🇿 902 72 12 Apr 2025 568th stefangimmillaro 902 92 24 Oct 2023 568th inverseLorentz 🇦🇺 902 92 27 May 2024 568th sean-niemann 🇺🇸 902 92 21 days ago 571st bwat2 902 130 5 May 2022 571st FlorianCassayre 🇫🇷 902 130 20 Sep 2022 571st Widgitty 902 130 29 May 2023 574th Lydxn 🇨🇦 901 70 7 May 2022 575th Shanethegamer 🇺🇸 901 82 19 Dec 2023 575th edsrzf 🇳🇿 901 82 6 Jan 2025 577th michael-pruglo 🇺🇦 901 94 5 Jul 2022 577th zygoloid 901 94 5 Aug 2024 579th Lydxn 🇨🇦 900 69 12 Sep 2022 579th GrayJoKing 🇦🇺 900 69 12 Sep 2022 579th btnlq 900 69 24 Sep 2022 582nd TobyBoyne 🇬🇧 900 74 4 May 2022 582nd RDShah 900 74 6 May 2022 582nd Indivicivet 900 74 9 May 2022 582nd CedricGebistorf 900 74 9 May 2022 582nd ophact 900 74 11 May 2022 582nd ImpressedByRocks 900 74 17 May 2022 582nd LHuitre 900 74 2 Jun 2022 582nd neihousaigaai 900 74 8 Jun 2022 582nd rowboat1 900 74 10 Jun 2022 582nd inverseLorentz 🇦🇺 900 74 13 Jun 2022 582nd yzhs 🇩🇪 900 74 16 Jun 2022 582nd clementblaudeau 900 74 29 Jun 2022 582nd adoxography 900 74 13 Jul 2022 582nd Attero 🇸🇪 900 74 20 Jul 2022 582nd Heathcorp 🇦🇺 900 74 27 Jul 2022 582nd jfallon1997 900 74 11 Aug 2022 582nd VictorFordham 900 74 26 Aug 2022 582nd georgehulme 900 74 1 Sep 2022 582nd smartiel 900 74 15 Sep 2022 Prev 526–600 of 3,159 Next
