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 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 Topological Sort 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 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 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 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 599th shinylego 723 94 14 Sep 2022 599th sgaltair 723 94 4 Nov 2022 599th TotoAJ 723 94 15 Dec 2023 599th Gusic06 723 94 6 May 2024 599th kyleyarwood 723 94 6 Oct 2024 599th jj0786-cell 723 94 1 Apr 2025 599th griffinschreiber 723 94 1 Apr 2025 608th felixcroc 716 95 30 Mar 2023 608th Pyro569 716 95 4 Jul 2023 608th rm-rf-innocence 716 95 19 Dec 2023 608th Bit125 716 95 30 Jan 2024 608th aalec 716 95 25 Apr 2024 608th strogor 716 95 13 Jun 2025 608th cthierfelder 716 95 11 days ago 615th karhuthebear 708 96 9 May 2022 615th qwjhvbxi 708 96 6 Feb 2024 615th alfonsoalves 708 96 21 Jul 2024 615th jeff-re 708 96 1 Apr 2025 619th a-penton 701 97 22 Sep 2022 619th jrbud 701 97 6 Jan 2024 619th befoster 701 97 22 Feb 2024 619th joshua-el-samalouti 🇩🇪 701 97 26 May 2024 619th luca1339 701 97 10 Jun 2024 624th lukemalek 694 98 10 Oct 2022 624th UltimateGuy0987 694 98 14 Oct 2022 624th TheLazySquid 694 98 20 Dec 2022 624th StronkCheese 🇺🇸 694 98 13 Mar 2023 624th Anthony-Williams-06 694 98 17 Oct 2023 624th NoneTheFewer 694 98 17 May 2024 624th abcdhhhh 694 98 27 Aug 2024 624th OSYCh314 🇦🇺 694 98 16 Nov 2024 624th cole-wilson 694 98 9 Dec 2024 624th Akilles1 694 98 15 May 2025 634th LukeRichardson-dev 687 99 12 May 2022 634th Tagfox 687 99 18 Jul 2022 634th gabrielsqw 687 99 24 Oct 2023 634th sciencedjinn 687 99 8 Nov 2024 634th MrNiknoc 687 99 15 Jun 2025 639th OppositeShark 680 100 19 Jul 2022 639th NOS4A5I 680 100 10 Jan 2023 639th lomarbrick 680 100 16 May 2023 639th karlaacastro44 680 100 5 May 2025 643rd markus-rekdal 673 101 10 May 2022 643rd fraserli 🇦🇺 673 101 2 May 2023 643rd FCORMERAIS 673 101 6 Mar 2024 643rd yhm138 673 101 16 Feb 2025 647th PogLop 🇨🇿 667 102 31 Oct 2022 647th AndersH3 🇸🇪 667 102 17 May 2023 647th JulieGermainUNT 667 102 2 Apr 2025 650th enbyte 660 103 20 Dec 2022 650th rajlath 660 103 7 Jan 2023 650th mnurzia 660 103 12 Oct 2023 650th sqrteipi 660 103 2 Apr 2024 650th calum12345 660 103 26 Mar 2025 655th winigo3 654 104 8 Aug 2022 655th zt14427 654 104 30 Apr 2023 655th IoLimmer 654 104 24 Jul 2024 655th SectorCorruptor 654 104 4 days ago 659th LordSir101 648 105 19 Jul 2022 659th tmanternach 648 105 24 Nov 2022 659th weber-hge 648 105 13 Jun 2023 659th Eugen-str 648 105 24 Oct 2023 663rd ms-tingliang 642 106 5 Aug 2022 663rd achilleasr 642 106 7 Nov 2022 663rd OleBrumm 642 106 8 Jan 2023 663rd AbhilashaTandon 642 106 19 Sep 2023 663rd sheeperino 🇮🇹 642 106 11 Oct 2024 668th phpboyscout 636 107 18 May 2023 668th DrPrettyman 636 107 5 Jul 2023 668th joseph-w0ng 636 107 5 Jul 2024 668th EnisEfe0 636 107 18 May 2025 672nd landyrisbad 630 108 13 Nov 2022 672nd cakular 630 108 17 May 2024 672nd glassala 630 108 25 Oct 2024 675th tjefferson401 624 109 16 Sep 2022 Prev 601–675 of 755 Next
