The Mandelbrot hole will go live in approximately 3 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 899th TechNolaByte 876 61 6 Jul 2022 899th Heathcorp 🇦🇺 876 61 17 Jul 2022 899th C0de5mith 🇺🇸 876 61 3 Aug 2022 899th sebipopa 🇷🇴 876 61 18 Aug 2022 899th moikaturns 🇬🇧 876 61 25 Sep 2022 899th FlorianCassayre 🇫🇷 876 61 27 Sep 2022 899th Mazn3k 876 61 1 Feb 2023 899th tvcv901 876 61 22 Mar 2023 899th unfinishedprogram 876 61 19 Jul 2023 899th snoozingnewt 🇺🇸 876 61 23 Sep 2023 899th funnyboy-roks 876 61 9 May 2024 899th bac0id 876 61 29 Jun 2024 899th madex 🇩🇪 876 61 9 Jul 2024 899th cdesodt 876 61 10 Oct 2024 899th RobertHoeh 876 61 5 Apr 2025 899th kirjavascript 876 61 4 May 2025 899th LvLError 876 61 29 May 2025 899th Lv0Sys 🇵🇱 876 61 30 May 2025 899th Protothor 876 61 30 May 2025 920th johnnythedoggie 876 72 13 May 2022 921st guilhem-roy 🇫🇷 876 76 5 May 2022 921st NewDefectus 🇮🇱 876 76 6 May 2022 921st CuboidRaptor 🇨🇦 876 76 25 May 2022 921st TheSmilingTurtle 876 76 5 Jun 2022 921st Romain-1 🇫🇷 876 76 8 Jun 2022 921st jhpaques 🇫🇷 876 76 30 Jul 2022 921st chriscianfarani 876 76 10 Aug 2022 921st eshilo-draper 876 76 13 Sep 2022 921st suwat513 876 76 22 Sep 2022 921st Jaydosu 876 76 14 Nov 2022 921st tails618 876 76 2 Dec 2022 921st KevinLyvers 876 76 17 Dec 2022 921st nayakrujul 876 76 3 Jan 2023 921st CheeseCake628 🇳🇴 876 76 8 Jan 2023 921st CatsAreFluffy 876 76 18 Feb 2023 921st adamnielson42 🇺🇸 876 76 1 Mar 2023 921st Schreipfelerer 876 76 9 Apr 2023 921st hm5822 876 76 22 Apr 2023 921st celiendonze 🇨🇭 876 76 5 Jul 2023 921st brochmann 🇸🇪 876 76 13 Aug 2023 921st Command-Master 876 76 2 Oct 2023 921st chartung17 876 76 17 Dec 2023 921st smokestacklightnin 🇺🇸 876 76 10 Jan 2024 921st NickTheEASDude 🇺🇸 876 76 26 Jan 2024 921st yuchuehw 876 76 2 Feb 2024 921st Azearia 876 76 26 Feb 2024 921st tpasfieldERAU 876 76 18 May 2024 921st khavik 876 76 29 May 2024 921st Ythaenagor 876 76 5 Aug 2024 921st martion2007 876 76 9 Aug 2024 921st sjrct 876 76 10 Aug 2024 921st Mathrew2012 876 76 9 Nov 2024 921st kawrei 876 76 4 May 2025 954th althryenix 875 134 25 Jul 2022 954th MrGagnonHPS 875 134 1 Nov 2023 954th noescareno 875 134 31 May 2025 957th nwellnhof 🇩🇪 874 53 4 May 2022 957th GrayJoKing 🇦🇺 874 53 6 May 2022 959th c0d3-4-F00d 🇩🇪 874 89 5 May 2022 959th fkantelberg 874 89 15 Jul 2023 959th TRexOnGit 874 89 16 Feb 2024 959th arcpolaris 874 89 18 Nov 2024 963rd Grrisly 874 114 25 Mar 2024 964th AlephSquirrel 873 80 20 Apr 2023 964th ashtraypettingzoo 🇺🇸 873 80 1 Apr 2024 966th inventshah 873 97 6 May 2022 966th roupiq 🇵🇱 873 97 22 Nov 2023 968th MeWhenI 🇻🇦 873 207 21 Apr 2025 969th Irratix 🇳🇱 872 72 4 May 2022 969th m-tkach 🇺🇦 872 72 4 May 2022 969th jared-hughes 872 72 6 Jul 2022 969th michael-pruglo 🇺🇦 872 72 13 Jul 2022 969th Steffan153 🇫🇮 872 72 3 Jan 2023 969th MeWhenI 🇻🇦 872 72 7 May 2023 969th ListeriaM 872 72 22 Aug 2023 Prev 901–975 of 3,159 Next
