Collatz in Python 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 594th bthalheim 756 90 22ms 6 Dec 2024 594th nooby31415 756 90 19ms 18 Apr 2025 594th SinArieh 756 90 24ms 4 May 2025 594th islptng 756 90 30ms 7 Jul 2025 594th Mr-McChicken 756 90 17ms 18 days ago 606th AbelPelser 747 91 24ms 3 Jul 2022 606th Seis 747 91 20ms 9 Dec 2022 606th r-i-c-e 747 91 19ms 9 Jul 2023 606th joshcors 747 91 17ms 30 Jun 2024 606th resoNathan 747 91 17ms 9 Jul 2024 606th jameswmccarty 747 91 22ms 24 Sep 2024 606th hamilton-bonds 747 91 18ms 12 Nov 2024 606th Wonamm 747 91 30ms 14 Feb 2025 614th TimLeffke 739 92 25ms 17 Aug 2022 614th Rythoka 739 92 16ms 17 Oct 2022 614th UriyaBA 739 92 18ms 19 Mar 2023 614th VladislavGitter 🇪🇸 739 92 19ms 14 Nov 2023 614th ridingqwerty 🇺🇸 739 92 20ms 22 Dec 2023 614th Thonoton 739 92 20ms 1 Feb 2024 614th OCNeve 739 92 24ms 17 Jun 2024 614th themoonisacheese 739 92 28ms 25 Feb 2025 614th BabySharkHi 739 92 27ms 22 Apr 2025 614th arjunarya1 739 92 17ms 28 Aug 2025 614th TJK-S 739 92 20ms 11 days ago 625th Bananapants22 731 93 27ms 4 Sep 2022 625th jaxmattfair 🇺🇸 731 93 20ms 10 Jan 2023 625th cingulataluke 731 93 18ms 27 Aug 2023 625th fenix-bear 731 93 20ms 18 Nov 2023 625th epic-programmer-guy 731 93 26ms 22 Dec 2023 625th brimstonetrader 731 93 24ms 18 Nov 2024 625th Aquateraneal 731 93 18ms 11 Aug 2025 632nd atazzam 🇺🇸 723 94 20ms 18 May 2022 632nd rohangpta 723 94 19ms 8 Aug 2022 632nd shinylego 723 94 25ms 14 Sep 2022 632nd sgaltair 723 94 20ms 4 Nov 2022 632nd TotoAJ 723 94 19ms 15 Dec 2023 632nd Gusic06 723 94 23ms 6 May 2024 632nd kyleyarwood 723 94 28ms 6 Oct 2024 632nd jj0786-cell 723 94 19ms 1 Apr 2025 632nd griffinschreiber 723 94 20ms 1 Apr 2025 641st felixcroc 716 95 22ms 30 Mar 2023 641st Pyro569 716 95 23ms 4 Jul 2023 641st rm-rf-innocence 716 95 20ms 19 Dec 2023 641st Bit125 716 95 19ms 30 Jan 2024 641st aalec 716 95 22ms 25 Apr 2024 641st strogor 716 95 27ms 13 Jun 2025 641st cthierfelder 🇲🇨 716 95 19ms 17 Jul 2025 648th karhuthebear 708 96 27ms 9 May 2022 648th qwjhvbxi 708 96 24ms 6 Feb 2024 648th alfonsoalves 708 96 19ms 21 Jul 2024 648th jeff-re 708 96 15ms 1 Apr 2025 652nd a-penton 701 97 17ms 22 Sep 2022 652nd jrbud 701 97 22ms 6 Jan 2024 652nd befoster 701 97 23ms 22 Feb 2024 652nd joshua-el-samalouti 🇩🇪 701 97 21ms 26 May 2024 652nd luca1339 701 97 24ms 10 Jun 2024 657th lukemalek 694 98 15ms 10 Oct 2022 657th UltimateGuy0987 694 98 22ms 14 Oct 2022 657th TheLazySquid 694 98 20ms 20 Dec 2022 657th StronkCheese 🇺🇸 694 98 20ms 13 Mar 2023 657th Anthony-Williams-06 694 98 28ms 17 Oct 2023 657th NoneTheFewer 694 98 22ms 17 May 2024 657th abcdhhhh 694 98 15ms 27 Aug 2024 657th OSYCh314 🇦🇺 694 98 25ms 16 Nov 2024 657th cole-wilson 694 98 19ms 9 Dec 2024 657th Akilles1 694 98 21ms 15 May 2025 667th LukeRichardson-dev 687 99 17ms 12 May 2022 667th Tagfox 687 99 19ms 18 Jul 2022 667th gabrielsqw 687 99 25ms 24 Oct 2023 667th sciencedjinn 687 99 18ms 8 Nov 2024 667th MrNiknoc 687 99 20ms 15 Jun 2025 672nd OppositeShark 680 100 18ms 19 Jul 2022 672nd NOS4A5I 680 100 17ms 10 Jan 2023 672nd lomarbrick 680 100 20ms 16 May 2023 672nd karlaacastro44 680 100 21ms 5 May 2025 First Prev 601–675 of 791 Next Last
