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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 597th PATTRIM 733 90 17ms 5 Jan 2023 597th charliegaming 733 90 19ms 3 Oct 2023 597th lhulinsky 733 90 24ms 22 Oct 2024 597th bthalheim 733 90 22ms 6 Dec 2024 597th nooby31415 733 90 19ms 18 Apr 2025 597th SinArieh 733 90 24ms 4 May 2025 597th islptng 733 90 30ms 7 Jul 2025 597th Mr-McChicken 733 90 17ms 4 Oct 2025 609th AbelPelser 725 91 24ms 3 Jul 2022 609th Seis 725 91 20ms 9 Dec 2022 609th r-i-c-e 725 91 19ms 9 Jul 2023 609th joshcors 725 91 17ms 30 Jun 2024 609th resoNathan 725 91 17ms 9 Jul 2024 609th jameswmccarty 725 91 22ms 24 Sep 2024 609th hamilton-bonds 725 91 18ms 12 Nov 2024 609th Wonamm 725 91 30ms 14 Feb 2025 617th TimLeffke 717 92 25ms 17 Aug 2022 617th Rythoka 717 92 16ms 17 Oct 2022 617th UriyaBA 717 92 18ms 19 Mar 2023 617th VladislavGitter 🇪🇸 717 92 19ms 14 Nov 2023 617th ridingqwerty 🇺🇸 717 92 20ms 22 Dec 2023 617th Thonoton 717 92 20ms 1 Feb 2024 617th OCNeve 717 92 24ms 17 Jun 2024 617th themoonisacheese 717 92 28ms 25 Feb 2025 617th BabySharkHi 717 92 27ms 22 Apr 2025 617th arjunarya1 717 92 17ms 28 Aug 2025 617th TJK-S 717 92 20ms 10 Oct 2025 628th Bananapants22 710 93 27ms 4 Sep 2022 628th jaxmattfair 🇺🇸 710 93 20ms 10 Jan 2023 628th cingulataluke 710 93 18ms 27 Aug 2023 628th fenix-bear 710 93 20ms 18 Nov 2023 628th epic-programmer-guy 710 93 26ms 22 Dec 2023 628th brimstonetrader 710 93 24ms 18 Nov 2024 628th Aquateraneal 710 93 16ms 11 Aug 2025 635th atazzam 🇺🇸 702 94 20ms 18 May 2022 635th rohangpta 702 94 19ms 8 Aug 2022 635th shinylego 702 94 25ms 14 Sep 2022 635th sgaltair 702 94 20ms 4 Nov 2022 635th TotoAJ 702 94 19ms 15 Dec 2023 635th Gusic06 702 94 23ms 6 May 2024 635th kyleyarwood 702 94 28ms 6 Oct 2024 635th jj0786-cell 702 94 19ms 1 Apr 2025 635th griffinschreiber 702 94 20ms 1 Apr 2025 644th felixcroc 695 95 22ms 30 Mar 2023 644th Pyro569 695 95 23ms 4 Jul 2023 644th rm-rf-innocence 695 95 20ms 19 Dec 2023 644th Bit125 695 95 19ms 30 Jan 2024 644th aalec 695 95 22ms 25 Apr 2024 644th strogor 695 95 27ms 13 Jun 2025 644th cthierfelder 🇲🇨 695 95 19ms 17 Jul 2025 644th ThomasDelepine 695 95 21ms 15 days ago 652nd karhuthebear 688 96 27ms 9 May 2022 652nd qwjhvbxi 688 96 24ms 6 Feb 2024 652nd alfonsoalves 688 96 19ms 21 Jul 2024 652nd jeff-re 688 96 15ms 1 Apr 2025 656th a-penton 680 97 17ms 22 Sep 2022 656th jrbud 680 97 22ms 6 Jan 2024 656th befoster 680 97 23ms 22 Feb 2024 656th joshua-el-samalouti 🇩🇪 680 97 21ms 26 May 2024 656th luca1339 680 97 24ms 10 Jun 2024 661st lukemalek 673 98 15ms 10 Oct 2022 661st UltimateGuy0987 673 98 22ms 14 Oct 2022 661st TheLazySquid 673 98 20ms 20 Dec 2022 661st StronkCheese 🇺🇸 673 98 20ms 13 Mar 2023 661st Anthony-Williams-06 673 98 28ms 17 Oct 2023 661st NoneTheFewer 673 98 22ms 17 May 2024 661st abcdhhhh 673 98 15ms 27 Aug 2024 661st OSYCh314 🇦🇺 673 98 25ms 16 Nov 2024 661st cole-wilson 673 98 19ms 9 Dec 2024 661st Akilles1 673 98 21ms 15 May 2025 661st Hyperoplex145 673 98 19ms 2 days ago 672nd LukeRichardson-dev 667 99 17ms 12 May 2022 672nd Tagfox 667 99 19ms 18 Jul 2022 672nd gabrielsqw 667 99 25ms 24 Oct 2023 672nd sciencedjinn 667 99 18ms 8 Nov 2024 First Prev 601–675 of 798 Next Last
