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 592nd vishwathg Python 885 75 10 Oct 2022 592nd nkoppel Python 885 75 19 Oct 2022 592nd AZ9tumas Python 885 75 23 Oct 2022 592nd EthanGrant1 Python 885 75 7 Nov 2022 592nd Omega65536 🇩🇪 Python 885 75 24 Nov 2022 592nd b10011 🇫🇮 Python 885 75 3 Jan 2023 592nd 4ndyJ 🇬🇧 Python 885 75 3 Jan 2023 592nd randolchance Python 885 75 8 Jan 2023 592nd LeeCamp Python 885 75 12 Jan 2023 592nd hellwue Python 885 75 15 Feb 2023 592nd nandanjp Python 885 75 29 Mar 2023 592nd kaptsanovb Python 885 75 20 Apr 2023 592nd galloj 🇨🇿 Python 885 75 20 May 2023 592nd jhu04 Python 885 75 23 Jun 2023 592nd HelloYuiYui Python 885 75 1 Nov 2023 592nd keelimeguy 🇺🇸 Python 885 75 6 Nov 2023 592nd tobyLovick Python 885 75 10 Nov 2023 592nd VictorStenvers Python 885 75 13 Nov 2023 592nd RZ781 Python 885 75 19 Nov 2023 592nd mikehanus Python 885 75 21 Nov 2023 592nd 1231234md5 🇨🇳 Python 885 75 14 Dec 2023 592nd Hebelub Python 885 75 6 Jan 2024 592nd minhtrancccp Python 885 75 11 Jan 2024 592nd 123mjb Python 885 75 25 Jan 2024 592nd jbjd Python 885 75 25 Feb 2024 592nd gabe-gallegos Python 885 75 9 days ago 592nd kejcao 🇨🇦 Python 885 75 19 hours ago 628th lynn Rust 885 93 5 May 2022 628th oeb25 Rust 885 93 16 May 2022 628th snobee 🇨🇦 Rust 885 93 8 Dec 2022 628th logvp Rust 885 93 2 Jan 2024 628th elgan65536 Rust 885 93 5 Mar 2024 633rd canissimia 🇦🇶 sed 884 110 20 Feb 2023 634th stefangimmillaro Go 884 112 26 Sep 2023 634th kkoenig Go 884 112 4 Jan 2024 636th c0d3-4-F00d 🇩🇪 Java 884 132 6 May 2022 636th madeforlosers Java 884 132 26 Oct 2023 636th Blockyheadman Java 884 132 1 Nov 2023 636th SpiritAxolotl 🇺🇸 Java 884 132 20 Mar 2024 640th sean-niemann 🇺🇸 Ruby 883 53 7 May 2022 640th MeWhenI 🇻🇦 Ruby 883 53 1 Jun 2022 640th stefangimmillaro Ruby 883 53 2 Oct 2022 640th Haksell 🇦🇶 Ruby 883 53 22 Feb 2023 644th GolfingSuccess 🇬🇷 C 882 71 5 May 2022 644th emplv 🇱🇻 C 882 71 5 May 2022 644th JayXon 🇺🇸 C 882 71 7 May 2022 644th nwellnhof 🇩🇪 C 882 71 5 Jun 2022 644th stefangimmillaro C 882 71 2 Jun 2023 644th catfish000 C 882 71 4 Oct 2023 644th kkoenig C 882 71 21 Dec 2023 651st JayXon 🇺🇸 Zig 882 150 8 Sep 2023 652nd GrayJoKing 🇦🇺 Factor 881 78 20 Sep 2023 653rd canissimia 🇦🇶 brainfuck 881 204 25 Nov 2023 654th SiestaGuru C# 880 88 9 Jan 2023 655th m-tkach 🇺🇦 Coconut 878 59 21 Jan 2024 656th Shanethegamer 🇺🇸 R 878 70 12 Dec 2022 656th Alessandro-Balconi 🇮🇹 R 878 70 26 Dec 2022 658th btnlq Rockstar 878 97 10 days ago 659th bac0id Java 878 133 26 Sep 2023 660th HPWiz 🇬🇧 Julia 877 50 4 May 2022 Prev 601–660 of 2,321 Next