The Mandelbrot hole will go live in approximately 24 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 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 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 826th MeWhenI 🇻🇦 887 53 1 Jun 2022 826th stefangimmillaro 887 53 2 Oct 2022 826th Haksell 🇦🇶 887 53 22 Feb 2023 829th ovs-code 🇩🇪 887 151 9 Sep 2023 829th Yewzir 🇧🇪 887 151 21 May 2024 831st GolfingSuccess 🇬🇷 885 71 5 May 2022 831st emplv 🇱🇻 885 71 5 May 2022 831st JayXon 🇺🇸 885 71 7 May 2022 831st nwellnhof 🇩🇪 885 71 5 Jun 2022 831st stefangimmillaro 885 71 2 Jun 2023 831st 09cf 885 71 4 Oct 2023 831st kkoenig 885 71 21 Dec 2023 831st sean-niemann 🇺🇸 885 71 10 Jul 2024 831st masinag 🇮🇹 885 71 6 Oct 2024 831st KasperKivimaeki 🇫🇮 885 71 27 Mar 2025 841st m-tkach 🇺🇦 885 117 7 May 2022 841st Lydxn 🇨🇦 885 117 7 May 2022 843rd Shanethegamer 🇺🇸 884 70 12 Dec 2022 843rd Alessandro-Balconi 🇮🇹 884 70 26 Dec 2022 845th SiestaGuru 884 88 9 Jan 2023 845th rifatx 884 88 5 Jul 2024 847th janbehrens 🇩🇪 884 90 21 Apr 2023 847th Yewzir 🇧🇪 884 90 22 Apr 2023 847th DialFrost 🇸🇬 884 90 6 Nov 2023 847th Ripick 884 90 27 Nov 2024 851st m-tkach 🇺🇦 884 112 7 days ago 852nd jared-hughes 884 130 15 Dec 2024 853rd m-tkach 🇺🇦 883 59 21 Jan 2024 853rd GolfingSuccess 🇬🇷 883 59 20 Jan 2025 855th nipzu 883 94 17 May 2022 855th Natanaelel 🇸🇪 883 94 17 Jun 2022 855th nkoppel 883 94 19 Oct 2022 855th ovs-code 🇩🇪 883 94 21 Jun 2023 855th mousetail 🇳🇱 883 94 12 Jan 2024 860th Shanethegamer 🇺🇸 882 51 15 May 2023 861st primo-ppcg 🇹🇭 882 85 14 Jan 2025 861st MeWhenI 🇻🇦 882 85 21 Apr 2025 863rd Irratix 🇳🇱 882 96 4 May 2022 863rd MeWhenI 🇻🇦 882 96 1 Jun 2022 863rd janbehrens 🇩🇪 882 96 21 Apr 2023 863rd Shanethegamer 🇺🇸 882 96 15 May 2023 863rd Yewzir 🇧🇪 882 96 11 Nov 2023 863rd MateuszPietrzak 🇵🇱 882 96 18 Nov 2023 863rd kkoenig 882 96 21 Dec 2023 863rd BlankSpruce 882 96 20 Aug 2024 863rd fuzzylojik-golf 🇺🇸 882 96 15 days ago 872nd GrayJoKing 🇦🇺 881 60 24 Oct 2024 873rd ovs-code 🇩🇪 881 73 22 Jul 2023 874th steffan-polygolf 881 74 14 Feb 2024 875th ravnskjaer 🇩🇰 881 133 11 Sep 2024 876th Shanethegamer 🇺🇸 881 152 9 Sep 2023 876th emgordon154 881 152 2 Oct 2024 876th DialFrost 🇸🇬 881 152 27 Oct 2024 879th Shanethegamer 🇺🇸 879 142 27 Mar 2025 879th DialFrost 🇸🇬 879 142 28 Mar 2025 879th emgordon154 879 142 10 Apr 2025 882nd dokutan 878 62 28 Apr 2025 883rd Grrisly 878 74 25 Mar 2024 884th GrayJoKing 🇦🇺 878 84 19 Jun 2022 884th primo-ppcg 🇹🇭 878 84 29 Jun 2022 886th Shanethegamer 🇺🇸 877 66 4 May 2022 886th scpchicken 🇵🇼 877 66 5 May 2022 886th sisyphus-ppcg 🇦🇺 877 66 6 May 2022 886th Natanaelel 🇸🇪 877 66 15 Jun 2022 886th Z-snails 877 66 27 Feb 2023 886th Jeremy-Stafford 877 66 27 Feb 2023 886th alomiF 877 66 1 Sep 2023 886th btnlq 877 66 17 Oct 2023 894th Shanethegamer 🇺🇸 877 73 8 May 2025 894th DialFrost 🇸🇬 877 73 26 days ago 896th c0d3-4-F00d 🇩🇪 876 61 6 May 2022 896th jackkav 876 61 26 Jun 2022 896th TechNolaByte 876 61 6 Jul 2022 896th Heathcorp 🇦🇺 876 61 17 Jul 2022 896th C0de5mith 🇺🇸 876 61 3 Aug 2022 Prev 826–900 of 3,156 Next
