Collatz in Python 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 668th cole-wilson 643 98 18ms 9 Dec 2024 668th Akilles1 643 98 18ms 15 May 2025 668th Hyperoplex145 643 98 20ms 16 days ago 679th LukeRichardson-dev 636 99 14ms 12 May 2022 679th Tagfox 636 99 20ms 18 Jul 2022 679th gabrielsqw 636 99 23ms 24 Oct 2023 679th sciencedjinn 636 99 16ms 8 Nov 2024 679th MrNiknoc 636 99 19ms 15 Jun 2025 684th OppositeShark 630 100 18ms 19 Jul 2022 684th NOS4A5I 630 100 16ms 10 Jan 2023 684th lomarbrick 630 100 18ms 16 May 2023 684th karlaacastro44 630 100 16ms 5 May 2025 688th markus-rekdal 624 101 23ms 10 May 2022 688th fraserli 🇦🇺 624 101 24ms 2 May 2023 688th FCORMERAIS 624 101 17ms 6 Mar 2024 688th yhm138 624 101 13ms 16 Feb 2025 688th MinecraftFan69420 624 101 19ms 27 days ago 693rd PogLop 🇨🇿 618 102 19ms 31 Oct 2022 693rd AndersH3 🇸🇪 618 102 16ms 17 May 2023 693rd JulieGermainUNT 618 102 19ms 2 Apr 2025 693rd NicoBliss 618 102 24ms 11 days ago 697th enbyte 612 103 18ms 20 Dec 2022 697th rajlath 612 103 19ms 7 Jan 2023 697th mnurzia 612 103 14ms 12 Oct 2023 697th sqrteipi 612 103 20ms 2 Apr 2024 697th calum12345 612 103 18ms 26 Mar 2025 697th SectorCorruptor 612 103 28ms 14 Aug 2025 703rd winigo3 606 104 25ms 8 Aug 2022 703rd zt14427 606 104 19ms 30 Apr 2023 703rd IoLimmer 606 104 18ms 24 Jul 2024 706th LordSir101 600 105 19ms 19 Jul 2022 706th tmanternach 600 105 19ms 24 Nov 2022 706th weber-hge 600 105 15ms 13 Jun 2023 706th Eugen-str 600 105 17ms 24 Oct 2023 710th ms-tingliang 594 106 14ms 5 Aug 2022 710th achilleasr 594 106 23ms 7 Nov 2022 710th OleBrumm 594 106 19ms 8 Jan 2023 710th AbhilashaTandon 594 106 26ms 19 Sep 2023 710th sheeperino 🇮🇹 594 106 18ms 11 Oct 2024 715th phpboyscout 589 107 16ms 18 May 2023 715th DrPrettyman 589 107 16ms 5 Jul 2023 715th joseph-w0ng 589 107 14ms 5 Jul 2024 715th EnisEfe0 589 107 20ms 18 May 2025 719th landyrisbad 583 108 21ms 13 Nov 2022 719th cakular 583 108 27ms 17 May 2024 719th glassala 583 108 15ms 25 Oct 2024 719th StronkCheese2 583 108 21ms 15 days ago 723rd tjefferson401 578 109 28ms 16 Sep 2022 723rd ariesmarinus 578 109 17ms 21 Nov 2024 725th profJGermain 573 110 19ms 7 Feb 2024 725th JMMMMC 573 110 18ms 23 Oct 2024 725th jtb0362 573 110 21ms 10 May 2025 728th sagnik3 563 112 20ms 8 Aug 2022 728th craftablescience 563 112 16ms 19 Sep 2023 730th kelseychristensen 558 113 19ms 2 Nov 2022 730th ArmsTheLimited 558 113 15ms 1 Jun 2023 732nd HunterC14 553 114 25ms 18 Oct 2024 733rd jstechman 548 115 18ms 24 Feb 2024 733rd dan422442 548 115 18ms 19 Oct 2024 735th keelanfh 543 116 14ms 20 Dec 2023 735th returnitynet 543 116 18ms 27 Jan 2025 735th EthanPatel01000101 543 116 16ms 20 Oct 2025 738th gioto64 538 117 17ms 8 Dec 2022 738th WilfredSalmon 538 117 16ms 21 Oct 2023 740th XianchengZ 534 118 18ms 18 Aug 2023 740th brindak2005 534 118 16ms 2 May 2025 742nd jmmographer 516 122 20ms 21 Oct 2023 742nd RucatJ 516 122 19ms 8 Aug 2025 744th xbxbxb007 512 123 19ms 10 Jan 2024 745th kevinnaviapaiva 488 129 17ms 20 Feb 2025 746th AdrianN001 485 130 23ms 6 Aug 2023 747th wyatt-the-hump 481 131 15ms 24 Dec 2022 747th hotmanga 481 131 13ms 20 Oct 2023 747th Jordynar02 481 131 17ms 3 May 2025 750th Zach10za 474 133 21ms 23 Jan 2024 First Prev 676–750 of 806 Next Last
