Happy Numbers in Python in chars. 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 150th NewDefectus 🇮🇱 706 68 11ms 1 Nov 2020 150th ydevor 🇮🇱 706 68 10ms 26 Nov 2020 150th jacklynnepenick 706 68 51ms 17 Aug 2021 150th aposteriorist 🇨🇦 706 68 10ms 6 Feb 2022 150th PowerR0 706 68 10ms 25 Aug 2022 150th SB-945 706 68 17ms 31 Mar 2024 150th Troon 706 68 10ms 11 Feb 2025 158th Espiobest 696 69 19ms 26 Feb 2021 158th cbondurant 696 69 10ms 10 May 2021 158th hellwue 696 69 10ms 8 Feb 2023 158th Vaekor 696 69 10ms 9 Jul 2023 158th jatloe 696 69 107ms 27 Sep 2024 163rd gilufin 686 70 73ms 23 May 2021 163rd kellantech 686 70 10ms 3 Jun 2023 163rd 2011-Chan-Ethan 686 70 81ms 12 Jul 2023 163rd Dataen 686 70 10ms 5 Jan 2024 163rd katss2 686 70 12ms 14 Aug 2025 168th tnecio 676 71 10ms 29 Apr 2021 168th commandblockguy 🇺🇸 676 71 11ms 30 Sep 2022 170th FlorianCassayre 🇫🇷 658 73 12ms 30 Oct 2022 170th cykim8811 658 73 18ms 11 Jul 2024 172nd Mortis66666 649 74 18ms 10 Jun 2022 172nd mossiegoat 649 74 10ms 12 Jun 2025 172nd csharpython 649 74 22ms 17 Jul 2025 175th FCORMERAIS 623 77 12ms 7 Mar 2024 175th ahmetdemirag 🇨🇾 623 77 53ms 11 Feb 2025 177th Re-Adventures 🇮🇳 615 78 23ms 10 Oct 2020 177th davecame 615 78 12ms 14 Aug 2023 177th snydej 615 78 31ms 22 Nov 2024 177th InigoK 🇺🇸 615 78 34ms 5 Sep 2025 181st Eilonlif 🇮🇱 608 79 74ms 20 Feb 2023 181st fgrosshans 🇫🇷 608 79 65ms 23 Jul 2024 181st EnTerr 608 79 55ms 1 Sep 2024 181st jipsong 🇩🇪 608 79 51ms 20 Jun 2025 185th dim-an 600 80 14ms 7 Dec 2020 185th ageneric 600 80 42ms 7 Feb 2021 185th ehulinsky 🇺🇸 600 80 49ms 10 Nov 2021 185th guilhem-roy 🇫🇷 600 80 50ms 26 Feb 2022 185th suwat513 600 80 73ms 15 Sep 2022 185th jhu04 600 80 641ms 18 Jan 2024 185th Bmrl7 600 80 10ms 29 Feb 2024 185th jtaxen 600 80 54ms 4 Apr 2024 185th ryyyn 🇺🇸 600 80 70ms 17 Jan 2025 194th dzhang314 593 81 91ms 14 Aug 2019 194th dlenski 593 81 18ms 13 Mar 2020 194th yzhs 🇩🇪 593 81 25ms 25 Oct 2020 194th hiddicop 🇸🇪 593 81 75ms 26 Jan 2021 194th CedricGebistorf 593 81 60ms 25 Feb 2022 194th LogicalJoe 593 81 50ms 7 Oct 2022 194th aksyristos 593 81 53ms 12 Feb 2023 194th adamnielson42 🇺🇸 593 81 28ms 10 Apr 2023 194th Shanethegamer 🇺🇸 593 81 74ms 9 Oct 2023 194th Natanaelel 🇸🇪 593 81 57ms 29 Oct 2023 194th rollershutter 593 81 68ms 27 Jun 2024 194th klixel 🇨🇦 593 81 74ms 31 Dec 2024 194th Artemis21 🇬🇧 593 81 18ms 10 Jan 2025 207th Dazza314 🇬🇧 585 82 58ms 3 Nov 2020 207th zacjl 585 82 52ms 20 Apr 2023 207th OwPowell 585 82 71ms 19 Dec 2023 207th FortuiteMan 🇫🇷 585 82 70ms 9 Jul 2025 211th Bonjour27891 🇻🇳 578 83 28ms 9 Feb 2022 211th tkr-sh 🇫🇷 578 83 87ms 24 Apr 2022 211th thehylian 578 83 17ms 2 Jan 2023 211th b10011 🇫🇮 578 83 14ms 7 Jan 2023 211th badboj40 578 83 82ms 12 Feb 2023 211th randolchance 578 83 20ms 16 Feb 2023 211th ceeb9 578 83 69ms 13 Aug 2023 211th firegene 🇮🇪 578 83 23ms 22 Dec 2023 211th drochom 578 83 10ms 16 Jun 2024 211th moustave 578 83 49ms 26 Nov 2024 211th tjwrenn 578 83 46ms 10 Dec 2024 211th blaztoma 🇱🇹 578 83 63ms 27 days ago 223rd Ailko 🇧🇪 571 84 34ms 5 May 2022 223rd Mikey-Beep 🇬🇧 571 84 12ms 15 Jun 2022 223rd P-Quentin 🇫🇷 571 84 34ms 10 Aug 2022 First Prev 151–225 of 694 Next Last