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 47th scpchicken 🇵🇼 828 58 10ms 28 Jan 2023 47th CheeseCake628 🇳🇴 828 58 18ms 16 Feb 2023 47th Just4FunCoder 828 58 10ms 22 Mar 2023 47th fourth-bit 828 58 11ms 11 Jul 2023 47th RYNO8 828 58 10ms 22 Aug 2023 47th Rubiksmath 828 58 9ms 25 Aug 2023 47th Yewzir 🇧🇪 828 58 12ms 6 Oct 2023 47th keelimeguy 🇺🇸 828 58 17ms 19 Oct 2023 47th 1231234md5 🇨🇳 828 58 13ms 13 Dec 2023 47th stackofbears 828 58 10ms 27 Dec 2023 47th CutSandstone 828 58 13ms 5 Jul 2024 47th Bulmenisaurus 828 58 9ms 17 Jul 2024 47th CaedenHarper 🇨🇦 828 58 11ms 6 Aug 2024 47th codingisgreatbutiamnot 828 58 16ms 12 Aug 2024 47th plcc0 828 58 10ms 20 Feb 2025 47th albanian-laundromat 828 58 10ms 30 Jun 2025 47th SanderRuud 828 58 9ms 13 Jul 2025 47th edsrzf 🇳🇿 828 58 11ms 15 Sep 2025 47th qpwoeirut 828 58 10ms 23 days ago 95th kevinmchung 814 59 10ms 24 Feb 2018 95th benwilliamgraham 814 59 10ms 26 Jan 2019 95th mogron 814 59 12ms 13 Dec 2019 95th mortimervonchappuis 814 59 10ms 17 Mar 2020 95th OllieBoyne 🇬🇧 814 59 10ms 16 Jan 2021 95th SnowballSH 814 59 10ms 31 Jan 2021 95th vishwathg 814 59 14ms 16 Aug 2022 95th StefanHabel 🇨🇦 814 59 10ms 11 Dec 2022 95th emirps 814 59 11ms 22 Feb 2023 95th AlexanderFair 814 59 10ms 2 Jul 2023 95th AVDestroyer 814 59 10ms 4 Sep 2023 95th eiburns 814 59 11ms 13 Sep 2023 95th m42km 814 59 8ms 7 Oct 2023 95th elgan65536 814 59 17ms 4 Apr 2024 95th KasperKivimaeki 🇫🇮 814 59 14ms 5 Jul 2025 95th dirckvdende 814 59 22ms 6 Jul 2025 111th stevelamm 800 60 10ms 5 Oct 2018 111th tjtnorton 800 60 9ms 29 Nov 2018 111th giacomogallina 800 60 10ms 14 Jun 2019 111th cellobix 800 60 10ms 14 Aug 2019 111th mizuzimu 800 60 10ms 4 Feb 2020 111th ArmaanAS 800 60 9ms 8 Mar 2021 111th RDShah 800 60 10ms 26 Nov 2021 111th QuincyNash 🇺🇸 800 60 10ms 30 Nov 2022 111th msbranicky 800 60 10ms 25 Jul 2023 111th Hebelub 800 60 10ms 5 Jan 2024 111th dokutan 800 60 10ms 23 Jan 2024 111th wh3n3v3r 🇨🇿 800 60 10ms 16 Nov 2024 111th JunkIce 800 60 10ms 23 Feb 2025 111th ffelixm 800 60 10ms 12 Jun 2025 111th RaBa21 🇭🇺 800 60 10ms 10 Jul 2025 111th Flekay 🇩🇪 800 60 14ms 10 Jul 2025 127th msrawson 787 61 11ms 31 Aug 2018 128th Waffle3z 774 62 10ms 27 Feb 2021 128th annaproxy 774 62 9ms 11 Dec 2021 128th KatieLG 🇬🇧 774 62 22ms 11 Dec 2022 128th quimey 774 62 10ms 21 Mar 2023 128th 5cw 🇺🇸 774 62 10ms 6 Jul 2024 128th bzijlema 🇳🇱 774 62 10ms 6 May 2025 128th 4atj 774 62 12ms 30 Jun 2025 135th trist224 🇫🇷 750 64 30ms 15 Nov 2022 136th ZakkkkAttackkkk 🇵🇭 738 65 35ms 21 Dec 2021 136th bob-th 738 65 50ms 5 Aug 2022 136th btjones0 738 65 59ms 22 Nov 2022 136th falsidge 738 65 10ms 21 Jun 2023 136th snoozingnewt 🇺🇸 738 65 97ms 3 Oct 2023 136th bizy-coder 738 65 10ms 13 Aug 2024 142nd Attero 🇸🇪 727 66 51ms 25 Sep 2020 142nd nstearns96 🇬🇧 727 66 15ms 15 Dec 2022 144th itsjustfreekie 716 67 77ms 20 Sep 2021 144th Fishron 716 67 68ms 21 Oct 2021 144th fredrik-bakke 🇳🇴 716 67 83ms 29 Sep 2022 144th jakobkordez 🇸🇮 716 67 18ms 30 Oct 2022 144th jmerle 🇳🇱 716 67 75ms 16 Feb 2023 149th xorraxrax 706 68 12ms 19 Oct 2019 149th NewDefectus 🇮🇱 706 68 11ms 1 Nov 2020 First Prev 76–150 of 693 Next Last