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 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 717th calum12345 612 103 19ms 26 Mar 2025 722nd winigo3 606 104 24ms 8 Aug 2022 722nd zt14427 606 104 19ms 30 Apr 2023 722nd IoLimmer 606 104 17ms 24 Jul 2024 725th LordSir101 600 105 18ms 19 Jul 2022 725th tmanternach 600 105 19ms 24 Nov 2022 725th weber-hge 600 105 15ms 13 Jun 2023 725th Eugen-str 600 105 20ms 24 Oct 2023 729th ms-tingliang 594 106 15ms 5 Aug 2022 729th achilleasr 594 106 20ms 7 Nov 2022 729th OleBrumm 594 106 21ms 8 Jan 2023 729th AbhilashaTandon 594 106 20ms 19 Sep 2023 729th sheeperino 🇮🇹 594 106 20ms 11 Oct 2024 734th phpboyscout 589 107 17ms 18 May 2023 734th DrPrettyman 589 107 15ms 5 Jul 2023 734th joseph-w0ng 589 107 15ms 5 Jul 2024 734th EnisEfe0 589 107 20ms 18 May 2025 738th landyrisbad 583 108 19ms 13 Nov 2022 738th cakular 583 108 25ms 17 May 2024 738th glassala 583 108 15ms 25 Oct 2024 738th CarterStroik 583 108 21ms 12 Nov 2025 742nd tjefferson401 578 109 29ms 16 Sep 2022 742nd ariesmarinus 578 109 19ms 21 Nov 2024 744th profJGermain 573 110 20ms 7 Feb 2024 744th JMMMMC 573 110 21ms 23 Oct 2024 744th jtb0362 573 110 20ms 10 May 2025 747th sagnik3 563 112 19ms 8 Aug 2022 747th craftablescience 563 112 17ms 19 Sep 2023 749th kelseychristensen 558 113 20ms 2 Nov 2022 749th ArmsTheLimited 558 113 16ms 1 Jun 2023 751st jstechman 548 115 33ms 24 Feb 2024 751st dan422442 548 115 20ms 19 Oct 2024 753rd keelanfh 543 116 17ms 20 Dec 2023 753rd returnitynet 543 116 18ms 27 Jan 2025 753rd EthanPatel01000101 543 116 17ms 20 Oct 2025 756th gioto64 538 117 17ms 8 Dec 2022 756th WilfredSalmon 538 117 18ms 21 Oct 2023 758th XianchengZ 534 118 20ms 18 Aug 2023 758th brindak2005 534 118 17ms 2 May 2025 760th jmmographer 516 122 20ms 21 Oct 2023 760th RucatJ 516 122 19ms 8 Aug 2025 762nd xbxbxb007 512 123 21ms 10 Jan 2024 763rd kevinnaviapaiva 488 129 19ms 20 Feb 2025 764th AdrianN001 485 130 17ms 6 Aug 2023 765th wyatt-the-hump 481 131 16ms 24 Dec 2022 765th hotmanga 481 131 13ms 20 Oct 2023 765th Jordynar02 481 131 22ms 3 May 2025 768th Zach10za 474 133 24ms 23 Jan 2024 769th vtilde 470 134 17ms 8 Jan 2024 770th fig-apple 467 135 11ms 24 Jun 2023 771st S-Ruban 460 137 13ms 25 Feb 2023 772nd FLOKI0421 453 139 21ms 4 May 2025 772nd noahdorsch 453 139 20ms 5 May 2025 774th bartsowka2000 423 149 20ms 10 Jul 2023 775th KapelMeister 420 150 15ms 5 Sep 2025 776th Shegofa-Ahmadi 409 154 15ms 28 Apr 2025 777th arinhyther 406 155 17ms 24 Dec 2022 778th SebbeCaliban 401 157 18ms 11 Apr 2023 779th codefeld 364 173 20ms 5 Mar 2023 780th fl3ur1nestimable 354 178 17ms 24 Oct 2022 781st Laellekoenig 339 186 16ms 7 Nov 2025 782nd Siyasia 333 189 17ms 22 Apr 2025 783rd kalehika1234 326 193 14ms 24 Apr 2025 784th hannahherbig 325 194 15ms 30 Mar 2023 785th dahappy1989 307 205 19ms 5 Nov 2023 786th sahilshresthaa 306 206 18ms 4 May 2025 787th jalbertgordon 304 207 16ms 24 Oct 2023 788th AidanWalter 301 209 17ms 3 Jan 2025 789th sayloren 290 217 21ms 5 Mar 2023 789th AshayP123 290 217 17ms 1 May 2025 791st rubenguajardount 280 225 21ms 4 May 2025 792nd amritm55 276 228 14ms 1 Apr 2025 793rd clarkatunt19 275 229 21ms 3 May 2025 794th jac1107 274 230 18ms 4 May 2025 794th rcs0252 274 230 16ms 4 May 2025 796th apurbapokharel 269 234 20ms 3 Apr 2025 797th wlopez44 260 242 15ms 29 Apr 2025 797th sakshiPatel2602 260 242 17ms 3 May 2025 799th Zok030 259 243 14ms 1 Apr 2025 799th Josemnz 259 243 14ms 28 Apr 2025 First Prev 721–800 of 825 Next Last
