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 434th fynnkroeger 912 73 6 Jan 2023 434th shellbertt 🇨🇦 912 73 13 Jan 2023 434th hunt-g 912 73 4 Feb 2023 434th ljweel 912 73 13 Feb 2023 434th jmerle 🇳🇱 912 73 16 Feb 2023 434th TaserTheFox 🇺🇸 912 73 14 Mar 2023 434th pinguicula 912 73 6 Apr 2023 434th TheoKeller1 912 73 11 Jun 2023 434th fkantelberg 912 73 16 Jul 2023 434th Mikey-Beep 🇬🇧 912 73 31 Aug 2023 434th eiburns 912 73 9 Oct 2023 434th htareque 912 73 13 Oct 2023 434th wearsunscreen 912 73 18 Oct 2023 434th bzijlema 🇳🇱 912 73 25 Oct 2023 434th Grrisly 912 73 10 Nov 2023 434th m42km 912 73 11 Nov 2023 434th GeneralPoxter 912 73 7 Dec 2023 434th logvp 912 73 12 Jan 2024 434th JoaoFelipe3 912 73 13 Jan 2024 434th ehulinsky 🇺🇸 912 73 16 Feb 2024 434th Lewenhaupt 912 73 23 Feb 2024 434th Yewzir 🇧🇪 912 73 5 Apr 2024 434th HETHAT 🇩🇿 912 73 12 Apr 2024 434th stertooy 🇧🇪 912 73 9 Jun 2024 434th cuboids 912 73 11 Jul 2024 434th jipsong 🇩🇪 912 73 23 Jul 2024 434th mattyhempstead 912 73 6 Oct 2024 434th wh3n3v3r 🇨🇿 912 73 18 Nov 2024 434th klixel 🇨🇦 912 73 18 Nov 2024 434th tjwrenn 912 73 10 Dec 2024 434th nullie 912 73 19 Dec 2024 434th ryyyn 🇺🇸 912 73 7 Jan 2025 434th maxgodfrey2004 🇨🇦 912 73 13 Feb 2025 434th lolgeny 912 73 22 Feb 2025 434th andrewjc2000 912 73 23 Feb 2025 434th Languag3 912 73 27 Feb 2025 434th Bulmenisaurus 912 73 2 Mar 2025 434th souta-1326 912 73 1 Apr 2025 434th BenjaminHGong 912 73 26 May 2025 490th lynn 912 78 5 May 2022 491st Steffan153 🇫🇮 912 81 11 Dec 2023 492nd andersk 🇺🇸 912 91 25 Oct 2022 492nd Super-Pizza 🇨🇦 912 91 4 Dec 2022 492nd klixel 🇨🇦 912 91 20 May 2023 492nd lynn 912 91 6 Jul 2024 492nd edsrzf 🇳🇿 912 91 29 Nov 2024 492nd DialFrost 🇸🇬 912 91 7 Apr 2025 498th tailorspy 911 93 27 May 2024 498th sean-niemann 🇺🇸 911 93 20 days ago 500th nai62 910 69 27 Aug 2022 501st Lydxn 🇨🇦 910 81 1 Apr 2023 502nd primo-ppcg 🇹🇭 909 93 7 May 2022 502nd AlephSquirrel 909 93 21 Jan 2023 502nd kg583 🇺🇸 909 93 26 Dec 2024 502nd CLOStrophobic 🇮🇹 909 93 17 Jan 2025 506th cbrt-x 909 129 6 May 2022 506th piano-miles 909 129 8 Feb 2023 506th lukashert 909 129 7 Jun 2023 506th DialFrost 🇸🇬 909 129 29 Jan 2024 506th bac0id 909 129 29 Jun 2024 506th yoshykai 909 129 27 Mar 2025 512th Betuaredead 907 60 5 Jan 2023 512th Yewzir 🇧🇪 907 60 12 Feb 2023 512th Steffan153 🇫🇮 907 60 23 Feb 2023 512th DialFrost 🇸🇬 907 60 30 Jul 2024 512th GolfingSuccess 🇬🇷 907 60 16 Oct 2024 512th sean-niemann 🇺🇸 907 60 7 Mar 2025 518th Shanethegamer 🇺🇸 907 77 15 May 2023 519th KrausRaus 🇺🇸 906 59 4 May 2022 519th voytxt 🇨🇿 906 59 4 May 2022 519th KingSkyrock 🇺🇸 906 59 18 May 2022 519th ZakkkkAttackkkk 🇵🇭 906 59 14 Jul 2022 519th aksyristos 906 59 28 Oct 2022 519th nstearns96 🇬🇧 906 59 28 Nov 2022 519th janbehrens 🇩🇪 906 59 17 May 2023 Prev 451–525 of 3,156 Next
