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 841st ovs-code 🇩🇪 Clojure 855 85 11 Dec 2023 842nd 386asm 🇺🇸 BASIC 854 86 9 Apr 2023 842nd sean-niemann 🇺🇸 BASIC 854 86 23 Apr 2023 844th Re-Adventures 🇮🇳 Go 854 116 16 Jul 2023 845th JayXon 🇺🇸 Crystal 853 56 9 May 2022 846th Yewzir 🇧🇪 Berry 853 65 9 Oct 2023 846th MeWhenI 🇻🇦 Berry 853 65 10 Oct 2023 846th DialFrost 🇸🇬 Berry 853 65 7 Nov 2023 849th DialFrost 🇸🇬 R 853 72 22 Oct 2023 850th eshilo-draper Java 852 137 4 Sep 2022 851st SirBogman 🇺🇸 Ruby 851 55 5 May 2022 851st xiBread 🇺🇸 Ruby 851 55 6 May 2022 851st 4hg 🇺🇸 Ruby 851 55 24 Aug 2022 851st DialFrost 🇸🇬 Ruby 851 55 1 Jan 2023 851st error256 Ruby 851 55 8 days ago 856th AGoyet Python 851 78 29 Jul 2022 856th RYNO8 Python 851 78 16 Aug 2022 856th TheCod-r 🇦🇶 Python 851 78 28 Sep 2022 856th Marthe-CC Python 851 78 9 Oct 2022 856th Wildst Python 851 78 2 Nov 2022 856th tpasfieldERAU Python 851 78 4 Nov 2022 856th nmgetahun Python 851 78 4 Dec 2022 856th Techdude01 Python 851 78 13 Dec 2022 856th tvcv901 Python 851 78 22 Mar 2023 856th oceko Python 851 78 24 Mar 2023 856th yoyoyonono Python 851 78 15 May 2023 856th Nic0M Python 851 78 13 Aug 2023 856th ssbhatt4321 Python 851 78 14 Oct 2023 856th wyarde Python 851 78 7 Nov 2023 856th EthanJ-Brady Python 851 78 24 Dec 2023 856th adamreidsmith Python 851 78 16 Feb 2024 856th Jacob385 Python 851 78 5 Mar 2024 873rd eshilo-draper C# 851 91 4 Sep 2022 873rd ericlangedijk 🇸🇮 C# 851 91 23 May 2023 873rd KatieLG 🇬🇧 C# 851 91 12 days ago 876th mtirado1 Swift 850 74 24 Dec 2022 876th Betuaredead Swift 850 74 6 Jan 2023 876th KatieLG 🇬🇧 Swift 850 74 15 Jan 2023 876th bwat2 Swift 850 74 31 Mar 2023 876th stackotter Swift 850 74 29 May 2023 876th ovs-code 🇩🇪 Swift 850 74 25 days ago 882nd sean-niemann 🇺🇸 Lua 850 76 7 May 2022 882nd frosster Lua 850 76 12 May 2023 882nd kyleclaassen Lua 850 76 20 May 2023 882nd RockOfStone Lua 850 76 17 Mar 2024 882nd NickTheEASDude 🇺🇸 Lua 850 76 5 days ago 887th Shanethegamer 🇺🇸 F# 850 83 4 May 2022 888th JRaspass 🇬🇧 Raku 849 46 4 May 2022 888th Natanaelel 🇸🇪 Raku 849 46 4 May 2022 890th DialFrost 🇸🇬 Coconut 849 61 21 Jan 2024 891st Irratix 🇳🇱 Haskell 849 71 4 May 2022 891st christianlegge Haskell 849 71 28 Jul 2022 891st jtnuttall Haskell 849 71 4 Oct 2022 891st cake287 Haskell 849 71 15 Jan 2023 891st VictorFordham Haskell 849 71 30 Sep 2023 891st epic-programmer-guy Haskell 849 71 19 Feb 2024 891st kejcao 🇨🇦 Haskell 849 71 2 days ago 898th typeswitch-dev 🇵🇹 Forth 849 75 22 Jul 2023 899th Yewzir 🇧🇪 Go 847 117 7 Feb 2024 900th randolchance JavaScript 846 63 8 Jan 2023 Prev 841–900 of 2,321 Next