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 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 Mandelbrot 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Mandelbrot 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 601st lukemalek 694 98 10 Oct 2022 601st UltimateGuy0987 694 98 14 Oct 2022 601st TheLazySquid 694 98 20 Dec 2022 601st StronkCheese 🇺🇸 694 98 13 Mar 2023 601st Anthony-Williams-06 694 98 17 Oct 2023 601st NoneTheFewer 694 98 17 May 2024 601st abcdhhhh 694 98 27 Aug 2024 601st OSYCh314 🇦🇺 694 98 16 Nov 2024 601st cole-wilson 694 98 9 Dec 2024 601st Akilles1 694 98 24 days ago 611th LukeRichardson-dev 687 99 12 May 2022 611th Tagfox 687 99 18 Jul 2022 611th gabrielsqw 687 99 24 Oct 2023 611th sciencedjinn 687 99 8 Nov 2024 615th OppositeShark 680 100 19 Jul 2022 615th NOS4A5I 680 100 10 Jan 2023 615th lomarbrick 680 100 16 May 2023 615th karlaacastro44 680 100 5 May 2025 619th markus-rekdal 673 101 10 May 2022 619th fraserli 🇦🇺 673 101 2 May 2023 619th FCORMERAIS 673 101 6 Mar 2024 619th yhm138 673 101 16 Feb 2025 623rd PogLop 🇨🇿 667 102 31 Oct 2022 623rd AndersH3 🇸🇪 667 102 17 May 2023 623rd JulieGermainUNT 667 102 2 Apr 2025 626th enbyte 660 103 20 Dec 2022 626th rajlath 660 103 7 Jan 2023 626th mnurzia 660 103 12 Oct 2023 626th sqrteipi 660 103 2 Apr 2024 626th calum12345 660 103 26 Mar 2025 631st winigo3 654 104 8 Aug 2022 631st zt14427 654 104 30 Apr 2023 631st IoLimmer 654 104 24 Jul 2024 634th LordSir101 648 105 19 Jul 2022 634th tmanternach 648 105 24 Nov 2022 634th weber-hge 648 105 13 Jun 2023 634th Eugen-str 648 105 24 Oct 2023 638th ms-tingliang 642 106 5 Aug 2022 638th achilleasr 642 106 7 Nov 2022 638th OleBrumm 642 106 8 Jan 2023 638th AbhilashaTandon 642 106 19 Sep 2023 638th sheeperino 🇮🇹 642 106 11 Oct 2024 643rd phpboyscout 636 107 18 May 2023 643rd DrPrettyman 636 107 5 Jul 2023 643rd joseph-w0ng 636 107 5 Jul 2024 643rd EnisEfe0 636 107 20 days ago 647th landyrisbad 630 108 13 Nov 2022 647th cakular 630 108 17 May 2024 647th glassala 630 108 25 Oct 2024 650th tjefferson401 624 109 16 Sep 2022 650th ariesmarinus 624 109 21 Nov 2024 652nd profJGermain 618 110 7 Feb 2024 652nd JMMMMC 618 110 23 Oct 2024 652nd jtb0362 618 110 10 May 2025 655th sagnik3 607 112 8 Aug 2022 655th craftablescience 607 112 19 Sep 2023 657th kelseychristensen 602 113 2 Nov 2022 657th ArmsTheLimited 602 113 1 Jun 2023 659th HunterC14 596 114 18 Oct 2024 660th jstechman 591 115 24 Feb 2024 660th dan422442 591 115 19 Oct 2024 662nd keelanfh 586 116 20 Dec 2023 662nd returnitynet 586 116 27 Jan 2025 664th gioto64 581 117 8 Dec 2022 664th WilfredSalmon 581 117 21 Oct 2023 666th XianchengZ 576 118 18 Aug 2023 666th brindak2005 576 118 2 May 2025 668th jmmographer 557 122 21 Oct 2023 669th xbxbxb007 553 123 10 Jan 2024 670th kevinnaviapaiva 527 129 20 Feb 2025 671st AdrianN001 523 130 6 Aug 2023 672nd wyatt-the-hump 519 131 24 Dec 2022 672nd hotmanga 519 131 20 Oct 2023 672nd Jordynar02 519 131 3 May 2025 675th Zach10za 511 133 23 Jan 2024 Prev 601–675 of 729 Next