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 brainfuck 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 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 Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig 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 brainfuck 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 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 Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Bytes Time 348th 0-4849 Python 909 73 1 Nov 2022 348th M0PKOBKA Python 909 73 19 Dec 2022 348th calumacutt Python 909 73 19 Dec 2022 348th thehylian Python 909 73 2 Jan 2023 348th fynnkroeger Python 909 73 6 Jan 2023 348th shellbertt 🇨🇦 Python 909 73 13 Jan 2023 348th hunt-g Python 909 73 4 Feb 2023 348th packkill Python 909 73 13 Feb 2023 348th jmerle 🇳🇱 Python 909 73 16 Feb 2023 348th TaserTheFox 🇺🇸 Python 909 73 14 Mar 2023 348th pinguicula Python 909 73 6 Apr 2023 348th 5cw Python 909 73 17 May 2023 348th TheoKeller1 Python 909 73 11 Jun 2023 348th fkantelberg Python 909 73 16 Jul 2023 348th Mikey-Beep 🇬🇧 Python 909 73 31 Aug 2023 348th eiburns Python 909 73 9 Oct 2023 348th htareque Python 909 73 13 Oct 2023 348th wearsunscreen Python 909 73 18 Oct 2023 348th bzijlema Python 909 73 25 Oct 2023 348th Grrisly Python 909 73 10 Nov 2023 348th m42km Python 909 73 11 Nov 2023 348th davecame Python 909 73 6 Dec 2023 348th GeneralPoxter Python 909 73 7 Dec 2023 348th logvp Python 909 73 12 Jan 2024 348th JoaoFelipe3 Python 909 73 13 Jan 2024 348th duckyluuk 🇳🇱 Python 909 73 2 Feb 2024 348th ehulinsky 🇺🇸 Python 909 73 16 Feb 2024 348th Lewenhaupt Python 909 73 23 Feb 2024 348th Yewzir 🇧🇪 Python 909 73 26 days ago 348th HETHAT 🇩🇿 Python 909 73 19 days ago 391st Natanaelel 🇸🇪 Coconut 908 57 17 Jan 2024 392nd nai62 C 908 69 27 Aug 2022 393rd JayXon 🇺🇸 Elixir 906 79 5 Apr 2023 393rd Lydxn 🇨🇦 Elixir 906 79 9 Apr 2023 395th Lydxn 🇨🇦 BASIC 906 81 1 Apr 2023 396th Shanethegamer 🇺🇸 D 905 87 15 May 2023 396th JayXon 🇺🇸 D 905 87 15 May 2023 396th Steffan153 🇫🇮 D 905 87 16 May 2023 396th Lydxn 🇨🇦 D 905 87 16 May 2023 396th GrayJoKing 🇦🇺 D 905 87 11 Aug 2023 401st cbrt-x Java 905 129 6 May 2022 401st piano-miles Java 905 129 8 Feb 2023 401st lukashert Java 905 129 7 Jun 2023 401st DialFrost 🇸🇬 Java 905 129 29 Jan 2024 405th andersk 🇺🇸 Rust 904 91 25 Oct 2022 405th Super-Pizza 🇨🇦 Rust 904 91 4 Dec 2022 405th klixel Rust 904 91 20 May 2023 408th KrausRaus 🇺🇸 JavaScript 903 59 4 May 2022 408th voytxt 🇨🇿 JavaScript 903 59 4 May 2022 408th KingSkyrock JavaScript 903 59 18 May 2022 408th ZakkkkAttackkkk 🇵🇭 JavaScript 903 59 14 Jul 2022 408th aksyristos JavaScript 903 59 28 Oct 2022 408th nstearns96 🇬🇧 JavaScript 903 59 28 Nov 2022 408th janbehrens 🇩🇪 JavaScript 903 59 17 May 2023 408th Shanethegamer 🇺🇸 JavaScript 903 59 25 May 2023 408th Maznek JavaScript 903 59 26 Jun 2023 408th SpiritAxolotl 🇺🇸 JavaScript 903 59 20 Mar 2024 418th lynn F# 903 78 5 May 2022 419th Betuaredead AWK 902 60 5 Jan 2023 419th Yewzir 🇧🇪 AWK 902 60 12 Feb 2023 Prev 361–420 of 2,275 Next