The Mandelbrot hole will go live in approximately 5 hours. Why not try and solve it ahead of time?
ISBN 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 823rd jbjd 711 124 12 Sep 2024 823rd smilesformiles3 711 124 16 days ago 828th Blendi-Goose 710 122 11 days ago 829th dokutan 709 155 13 Aug 2024 830th jgbaldwinbrown 707 133 13 Oct 2022 830th klixel 🇨🇦 707 133 27 Nov 2023 832nd BenBanerjeeRichards 706 125 22 Apr 2022 832nd richard-oelze 🇩🇪 706 125 8 May 2022 832nd vishwathg 706 125 16 Sep 2022 832nd Thonoton 706 125 24 Feb 2023 832nd sandorstormen 706 125 11 Mar 2023 832nd MiranDaniel 🇨🇿 706 125 28 Apr 2023 832nd Masttest 706 125 15 Feb 2024 832nd VictorStenvers 🇳🇱 706 125 26 Jun 2024 832nd Terobero 706 125 3 Sep 2024 832nd LostSyntax21 🇬🇧 706 125 9 Sep 2024 832nd jamesthekee 706 125 22 Jan 2025 843rd olleicua 🇺🇸 705 44 11 Mar 2024 844th HumanoidCPU 705 107 3 Mar 2025 845th jipsong 🇩🇪 705 116 25 Oct 2023 846th MeWhenI 🇻🇦 705 346 28 Aug 2023 847th jstanley0 704 77 5 Feb 2022 847th xiBread 🇺🇸 704 77 5 Dec 2022 849th MeWhenI 🇻🇦 704 123 2 Oct 2024 850th Natanaelel 🇸🇪 702 62 21 Jun 2022 851st fitzdotlol 🇺🇸 702 101 7 Mar 2022 851st mrxz 🇳🇱 702 101 23 Jun 2024 853rd Yewzir 🇧🇪 701 139 24 Feb 2023 854th dokutan 700 84 14 Mar 2023 854th alemelis 700 84 21 Aug 2024 856th TobyBoyne 🇬🇧 700 126 28 Jan 2022 856th OllieBoyne 🇬🇧 700 126 2 Mar 2022 856th Anonymousellama21 700 126 14 Apr 2022 856th Trunksistor 🇫🇷 700 126 19 Apr 2022 856th docd 700 126 8 Aug 2022 856th LogicalJoe 700 126 4 May 2023 856th pde-bakk 🇳🇱 700 126 23 Oct 2023 856th mstang107 700 126 20 Dec 2023 856th DGipe 700 126 13 May 2024 856th retrohun 700 126 18 Oct 2024 856th yokasuretsu 700 126 23 Jan 2025 856th bknower 700 126 4 days ago 868th inverseLorentz 🇦🇺 700 160 14 May 2024 869th Schmitt-Very-Cool 699 188 27 May 2025 870th msbranicky 699 190 3 Oct 2023 871st TetraPengwin 698 124 14 Mar 2025 872nd klixel 🇨🇦 697 174 7 Jun 2023 873rd emgordon154 697 213 6 Mar 2025 874th retrohun 696 75 9 Nov 2022 875th DialFrost 🇸🇬 696 84 14 Aug 2024 876th ShiraJoseph 🇺🇸 695 102 28 Jan 2023 876th itserasmus 695 102 17 Jan 2024 876th eranws 695 102 23 Dec 2024 879th HumanoidCPU 695 158 3 Mar 2025 880th MeWhenI 🇻🇦 694 67 15 Apr 2023 881st jacklynnepenick 694 127 15 Feb 2022 881st Pena86 694 127 14 Sep 2022 881st pascscha 694 127 18 Sep 2022 881st DrPiranoid 694 127 8 Oct 2022 881st QuincyNash 🇺🇸 694 127 13 Nov 2022 881st epic-programmer-guy 694 127 21 Dec 2023 881st AdamMorris377 694 127 29 Jul 2024 881st 40fied4t 694 127 15 May 2025 889th snoozingnewt 🇺🇸 693 110 14 Jan 2025 890th janbehrens 🇩🇪 692 85 23 Jun 2023 891st HumanoidCPU 691 136 4 Mar 2025 892nd gnuvince 689 45 32 hours ago 893rd Yewzir 🇧🇪 689 112 1 Dec 2023 894th gchenfc 689 128 24 Jan 2022 894th pyrolitic 🇮🇪 689 128 5 Apr 2022 894th hellwue 689 128 8 Feb 2023 894th Wildst 689 128 4 Aug 2023 894th sleepyStick 689 128 7 Dec 2023 894th damoose717 689 128 23 May 2025 900th cbrt-x 688 163 18 Sep 2023 Prev 826–900 of 1,417 Next
