Collatz in Julia in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Hilbert Curve 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 Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Calendar 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 Hilbert Curve 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 Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st antimon2 🇯🇵 1,000 45 268ms 17 Nov 2024 2nd Lydxn 🇨🇦 938 48 291ms 5 May 2022 2nd p-zubieta 938 48 299ms 6 Mar 2024 4th HPWiz 🇳🇿 900 50 265ms 4 May 2022 4th JayXon 🇺🇸 900 50 279ms 5 May 2022 4th Steffan153 🇫🇮 900 50 269ms 10 Dec 2022 4th ovs-code 🇩🇪 900 50 403ms 24 Oct 2023 4th sean-niemann 🇺🇸 900 50 268ms 12 Jul 2024 9th DialFrost 🇸🇬 882 51 266ms 24 Oct 2023 10th Codsilla 🇨🇦 865 52 273ms 1 Jul 2022 10th Shanethegamer 🇺🇸 865 52 438ms 9 Mar 2023 12th alemelis 833 54 272ms 5 Sep 2024 13th error256 818 55 249ms 11 May 2025 14th czylabsonasa 🇭🇺 789 57 268ms 18 Jun 2022 15th Andriamanitra 🇫🇮 763 59 267ms 26 Apr 2023 16th MeWhenI 🇻🇦 738 61 262ms 15 Feb 2023 16th blaztoma 🇱🇹 738 61 287ms 13 Oct 2025 18th jarodlam 703 64 247ms 7 Oct 2022 18th devinallen 703 64 265ms 18 Mar 2023 18th janbehrens 🇩🇪 703 64 287ms 25 Nov 2023 21st shellbertt 🇨🇦 682 66 298ms 4 May 2022 22nd snoozingnewt 🇨🇦 672 67 276ms 2 Oct 2023 22nd stellartux 672 67 267ms 25 Dec 2023 24th rollershutter 652 69 288ms 7 Jul 2023 24th prestosilver 🇺🇸 652 69 253ms 5 Jan 2026 26th MarcMush 🇫🇷 643 70 273ms 13 May 2022 26th davbass 🇮🇹 643 70 238ms 25 Aug 2023 26th Ripick 643 70 287ms 24 Jun 2025 29th bciccarelli 634 71 223ms 10 Sep 2023 30th msbranicky 625 72 222ms 11 Jan 2024 30th Yewzir 🇧🇪 625 72 277ms 27 Feb 2024 30th fgrosshans 🇫🇷 625 72 202ms 4 Jun 2024 33rd HopelessSoap 616 73 216ms 17 Oct 2022 33rd madeforlosers 616 73 273ms 26 Oct 2023 33rd masflam 616 73 295ms 21 Jun 2024 36th dokutan 608 74 211ms 18 Mar 2025 37th aDwarfNamedUrist 600 75 266ms 12 Jul 2023 37th sidok 600 75 204ms 15 Sep 2024 37th kmathis22 600 75 287ms 25 Sep 2025 40th rokasveitas 🇱🇹 556 81 218ms 16 May 2022 41st wearsunscreen 542 83 212ms 19 Oct 2023 42nd tunasplam 529 85 227ms 15 Jul 2024 43rd StronkCheese 🇺🇸 517 87 210ms 18 Feb 2023 44th CarterStroik 511 88 245ms 12 Nov 2025 45th KatieLG 🇬🇧 20 2,197 158ms 30 Nov 2025 46th retrohun 14 3,234 175ms 27 Dec 2022 46th HumanoidCPU 14 3,234 165ms 7 May 2024 46th Mabeloid 🇳🇴 14 3,234 155ms 17 Sep 2024 46th CaedenHarper 🇨🇦 14 3,234 178ms 1 Feb 2025 50th JRaspass 🇬🇧 14 3,237 228ms 4 May 2022 51st KatieLG-Transpiler 🇬🇧 11 4,280 175ms 23 Jun 2022 1–51 of 51