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 522nd aaardwark 800 85 1 Jun 2025 522nd blaztoma 🇱🇹 800 85 11 hours ago 528th MichaelMBradley 🇨🇦 791 86 5 Jun 2022 528th Lemonz-13223 791 86 21 Sep 2022 528th Bodo171 791 86 24 Nov 2022 528th shibacho 🇯🇵 791 86 25 Nov 2022 528th Vaekor 791 86 9 Jul 2023 528th LeoVanderSteege 791 86 18 Nov 2023 528th Pale-Vessel 791 86 18 Dec 2023 528th tik25 791 86 28 Mar 2024 528th willschremmer 791 86 27 Apr 2024 528th jamiloBBKing 791 86 27 Jan 2025 528th AsishKunta 791 86 1 Apr 2025 528th Hemanthred2005 791 86 1 Apr 2025 528th Voltrifrodec 🇸🇰 791 86 19 Apr 2025 528th lurey99 791 86 23 Apr 2025 528th Alban-Boissard 791 86 14 Jun 2025 543rd ToE42 782 87 19 Oct 2022 543rd omri2001 782 87 19 Oct 2022 543rd Skallos-s 782 87 5 Dec 2022 543rd damoc1es 782 87 16 Apr 2023 543rd michelebastione 🇮🇹 782 87 20 Dec 2023 543rd clampcorder 782 87 24 Jan 2024 543rd GitQuick 782 87 23 Feb 2024 543rd EricSchraf 782 87 21 Mar 2024 543rd salvatore-abello 782 87 5 Sep 2024 543rd PotatoSaladOverlord 782 87 21 May 2025 543rd Ibozz91 782 87 8 Jun 2025 554th Andre3582 773 88 29 Oct 2022 554th Darknova2468 773 88 20 Nov 2022 554th Solsticely 773 88 20 Nov 2022 554th goGuru 773 88 21 Dec 2022 554th msbranicky 773 88 9 Aug 2023 554th gussy420 773 88 28 Oct 2023 554th Shynif 773 88 21 Feb 2024 554th somehybrid 773 88 24 Aug 2024 554th hippopotam00sehead 🇨🇦 773 88 11 Sep 2024 554th 08jne01 773 88 21 Nov 2024 564th lovernj 764 89 23 Aug 2022 564th Roj 764 89 20 Nov 2022 564th aeonsablaze 764 89 22 Nov 2022 564th buddyw 764 89 9 Mar 2023 564th VV1Git 764 89 28 Mar 2023 564th dranjohn 764 89 17 Sep 2023 564th ArenaGrenade 764 89 19 Feb 2024 564th NanduBC 764 89 6 Sep 2024 564th TheAtrossian 764 89 5 Jan 2025 564th KimJua41 764 89 4 May 2025 564th Upload-and-View 🇺🇦 764 89 2 days ago 575th StoverGitHub 756 90 16 Jun 2022 575th jamespeilunli 756 90 4 Jul 2022 575th TrentGlimp 756 90 3 Sep 2022 575th Ugoran 756 90 19 Nov 2022 575th PATTRIM 756 90 5 Jan 2023 575th charliegaming 756 90 3 Oct 2023 575th lhulinsky 756 90 22 Oct 2024 575th bthalheim 756 90 6 Dec 2024 575th nooby31415 756 90 18 Apr 2025 575th SinArieh 756 90 4 May 2025 575th islptng 756 90 7 Jul 2025 586th AbelPelser 747 91 3 Jul 2022 586th Seis 747 91 9 Dec 2022 586th r-i-c-e 747 91 9 Jul 2023 586th joshcors 747 91 30 Jun 2024 586th resoNathan 747 91 9 Jul 2024 586th jameswmccarty 747 91 24 Sep 2024 586th hamilton-bonds 747 91 12 Nov 2024 586th Wonamm 747 91 14 Feb 2025 594th TimLeffke 739 92 17 Aug 2022 594th Rythoka 739 92 17 Oct 2022 594th UriyaBA 739 92 19 Mar 2023 594th VladislavGitter 🇪🇸 739 92 14 Nov 2023 594th ridingqwerty 🇺🇸 739 92 22 Dec 2023 594th Thonoton 739 92 1 Feb 2024 594th OCNeve 739 92 17 Jun 2024 Prev 526–600 of 768 Next