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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 598th fenix-bear 731 93 18 Nov 2023 598th epic-programmer-guy 731 93 22 Dec 2023 598th brimstonetrader 731 93 18 Nov 2024 598th Aquateraneal 731 93 2 days ago 605th atazzam 🇺🇸 723 94 18 May 2022 605th rohangpta 723 94 8 Aug 2022 605th shinylego 723 94 14 Sep 2022 605th sgaltair 723 94 4 Nov 2022 605th TotoAJ 723 94 15 Dec 2023 605th Gusic06 723 94 6 May 2024 605th kyleyarwood 723 94 6 Oct 2024 605th jj0786-cell 723 94 1 Apr 2025 605th griffinschreiber 723 94 1 Apr 2025 614th felixcroc 716 95 30 Mar 2023 614th Pyro569 716 95 4 Jul 2023 614th rm-rf-innocence 716 95 19 Dec 2023 614th Bit125 716 95 30 Jan 2024 614th aalec 716 95 25 Apr 2024 614th strogor 716 95 13 Jun 2025 614th cthierfelder 716 95 17 Jul 2025 621st karhuthebear 708 96 9 May 2022 621st qwjhvbxi 708 96 6 Feb 2024 621st alfonsoalves 708 96 21 Jul 2024 621st jeff-re 708 96 1 Apr 2025 625th a-penton 701 97 22 Sep 2022 625th jrbud 701 97 6 Jan 2024 625th befoster 701 97 22 Feb 2024 625th joshua-el-samalouti 🇩🇪 701 97 26 May 2024 625th luca1339 701 97 10 Jun 2024 630th lukemalek 694 98 10 Oct 2022 630th UltimateGuy0987 694 98 14 Oct 2022 630th TheLazySquid 694 98 20 Dec 2022 630th StronkCheese 🇺🇸 694 98 13 Mar 2023 630th Anthony-Williams-06 694 98 17 Oct 2023 630th NoneTheFewer 694 98 17 May 2024 630th abcdhhhh 694 98 27 Aug 2024 630th OSYCh314 🇦🇺 694 98 16 Nov 2024 630th cole-wilson 694 98 9 Dec 2024 630th Akilles1 694 98 15 May 2025 640th LukeRichardson-dev 687 99 12 May 2022 640th Tagfox 687 99 18 Jul 2022 640th gabrielsqw 687 99 24 Oct 2023 640th sciencedjinn 687 99 8 Nov 2024 640th MrNiknoc 687 99 15 Jun 2025 645th OppositeShark 680 100 19 Jul 2022 645th NOS4A5I 680 100 10 Jan 2023 645th lomarbrick 680 100 16 May 2023 645th karlaacastro44 680 100 5 May 2025 649th markus-rekdal 673 101 10 May 2022 649th fraserli 🇦🇺 673 101 2 May 2023 649th FCORMERAIS 673 101 6 Mar 2024 649th yhm138 673 101 16 Feb 2025 653rd PogLop 🇨🇿 667 102 31 Oct 2022 653rd AndersH3 🇸🇪 667 102 17 May 2023 653rd JulieGermainUNT 667 102 2 Apr 2025 656th enbyte 660 103 20 Dec 2022 656th rajlath 660 103 7 Jan 2023 656th mnurzia 660 103 12 Oct 2023 656th sqrteipi 660 103 2 Apr 2024 656th calum12345 660 103 26 Mar 2025 661st winigo3 654 104 8 Aug 2022 661st zt14427 654 104 30 Apr 2023 661st IoLimmer 654 104 24 Jul 2024 661st SectorCorruptor 654 104 21 days ago 665th LordSir101 648 105 19 Jul 2022 665th tmanternach 648 105 24 Nov 2022 665th weber-hge 648 105 13 Jun 2023 665th Eugen-str 648 105 24 Oct 2023 669th ms-tingliang 642 106 5 Aug 2022 669th achilleasr 642 106 7 Nov 2022 669th OleBrumm 642 106 8 Jan 2023 669th AbhilashaTandon 642 106 19 Sep 2023 669th sheeperino 🇮🇹 642 106 11 Oct 2024 674th phpboyscout 636 107 18 May 2023 674th DrPrettyman 636 107 5 Jul 2023 Prev 601–675 of 764 Next
