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 900th CatsAreFluffy JavaScript 846 63 18 Feb 2023 900th amiralitaheri JavaScript 846 63 23 Feb 2023 900th RuyiLi JavaScript 846 63 1 Apr 2023 900th TaserTheFox 🇺🇸 JavaScript 846 63 25 May 2023 900th pfysches-boop JavaScript 846 63 6 Aug 2023 900th mhgockel JavaScript 846 63 19 Aug 2023 900th NickTheEASDude 🇺🇸 JavaScript 846 63 18 Jan 2024 908th inventshah C 846 74 4 May 2022 908th undersquire C 846 74 24 Jun 2023 908th rdmsr C 846 74 24 Jun 2023 908th Bmrl7 C 846 74 9 Jul 2023 908th Vinterion C 846 74 6 Nov 2023 908th Herbert00709 🇵🇱 C 846 74 22 Dec 2023 908th KasperKivimaeki 🇫🇮 C 846 74 20 Jan 2024 908th LorenzoDeGaspari C 846 74 9 days ago 916th Maximizer02 Java 846 138 2 Oct 2023 916th azka1368 Java 846 138 23 Nov 2023 918th retrohun AWK 845 64 6 Nov 2022 918th Re-Adventures 🇮🇳 AWK 845 64 7 Nov 2022 918th stellartux AWK 845 64 26 Dec 2023 921st stefangimmillaro Fortran 845 88 26 Sep 2023 922nd SirBogman 🇺🇸 K 844 36 5 May 2022 922nd HPWiz 🇬🇧 K 844 36 7 May 2022 922nd Natanaelel 🇸🇪 K 844 36 15 Jun 2022 922nd Steffan153 🇫🇮 K 844 36 18 Jan 2023 926th Codsilla 🇨🇦 Julia 844 52 1 Jul 2022 926th Shanethegamer 🇺🇸 Julia 844 52 9 Mar 2023 928th Shanethegamer 🇺🇸 Elixir 843 85 18 May 2022 928th GrayJoKing 🇦🇺 Elixir 843 85 20 May 2022 930th Shanethegamer 🇺🇸 Lisp 843 99 27 Apr 2023 931st bschorno C# 842 92 12 Oct 2022 931st ChrisTheisen C# 842 92 14 Dec 2022 931st kellantech C# 842 92 4 Jul 2023 931st Mezzofloat C# 842 92 26 Aug 2023 931st Maximizer02 C# 842 92 1 Oct 2023 931st michelebastione 🇮🇹 C# 842 92 22 Dec 2023 937th jared-hughes C++ 842 100 20 Jul 2022 937th ZakkkkAttackkkk 🇵🇭 C++ 842 100 10 Aug 2022 937th Walter225 C++ 842 100 25 Jul 2023 940th lynn OCaml 841 96 11 Jul 2023 941st scpchicken 🇵🇼 Perl 840 55 4 May 2022 941st Natanaelel 🇸🇪 Perl 840 55 4 May 2022 941st SirBogman 🇺🇸 Perl 840 55 5 May 2022 941st Shanethegamer 🇺🇸 Perl 840 55 19 May 2023 945th kevdah Python 840 79 27 May 2022 945th jacklynnepenick Python 840 79 22 Jun 2022 945th james-downey Python 840 79 9 Jul 2022 945th andre-lameirinhas 🇵🇹 Python 840 79 26 Jul 2022 945th hamsterskywalker Python 840 79 7 Sep 2022 945th Pena86 Python 840 79 14 Sep 2022 945th hymanimy Python 840 79 24 Nov 2022 945th Demonarchet Python 840 79 18 Apr 2023 945th dtaylor0 Python 840 79 23 May 2023 945th bac0id Python 840 79 26 Sep 2023 945th neonchickens Python 840 79 6 Oct 2023 945th MWI-polygolf Python 840 79 6 Dec 2023 945th eddvrs Python 840 79 22 Dec 2023 945th tknight00 Python 840 79 7 Mar 2024 945th thienudomsrirungruang Python 840 79 8 days ago 960th Shanethegamer 🇺🇸 Rust 840 98 26 Oct 2022 Prev 901–960 of 2,321 Next