Happy Numbers (Long) in all languages 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 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 Bytes Time Submitted 374th inventshah 874 80 352ms 10 May 2022 374th KatieLG 🇬🇧 874 80 317ms 5 Nov 2022 374th jhu04 874 80 355ms 18 Jan 2024 374th jtaxen 874 80 323ms 4 Apr 2024 374th duckyluuk 🇳🇱 874 80 191ms 20 Jun 2024 374th namelessiw 874 80 220ms 14 Jul 2024 374th fgrosshans 🇫🇷 874 80 306ms 23 Jul 2024 374th EnTerr 874 80 197ms 8 Sep 2024 374th zacjl 874 80 21ms 12 Apr 2025 374th CornerMercury 🇬🇧 874 80 253ms 16 days ago 386th steffan-polygolf 874 98 94ms 19 Feb 2024 387th stefangimmillaro 874 114 136ms 19 Oct 2023 388th o0lit3 🇺🇸 873 50 87ms 19 Sep 2021 388th primo-ppcg 🇹🇭 873 50 139ms 20 Sep 2021 388th nwellnhof 🇩🇪 873 50 70ms 26 Dec 2021 388th Lydxn 🇨🇦 873 50 157ms 25 May 2022 388th saito-ta 🇯🇵 873 50 154ms 27 May 2022 393rd prplz 🇦🇺 873 68 16ms 27 Sep 2021 394th fuzzylojik-golf 🇺🇸 873 78 176ms 15 Sep 2025 395th pardouin 🇫🇷 873 81 7 Nov 2024 396th Steffan153 🇫🇮 873 91 17 Dec 2022 397th MeWhenI 🇻🇦 872 86 96ms 31 Dec 2024 398th edsrzf 🇳🇿 872 100 21ms 5 Jan 2025 399th Steffan153 🇫🇮 870 43 17 Dec 2022 399th ovs-code 🇩🇪 870 43 31 Dec 2023 401st neel11235813 870 77 594ms 15 Jan 2024 401st CaedenHarper 🇨🇦 870 77 674ms 14 Jul 2025 403rd sean-niemann 🇺🇸 870 92 91ms 8 Oct 2024 404th prplz 🇦🇺 869 55 40ms 18 Dec 2021 404th lynn 869 55 68ms 25 May 2022 404th ovs-code 🇩🇪 869 55 71ms 9 May 2023 404th Natanaelel 🇸🇪 869 55 47ms 10 May 2023 404th MeWhenI 🇻🇦 869 55 70ms 16 Aug 2023 409th lynn 868 35 19 Sep 2021 409th jared-hughes 868 35 30 Sep 2021 409th primo-ppcg 🇹🇭 868 35 24 Mar 2025 409th Natanaelel 🇸🇪 868 35 31 May 2025 409th fuzzylojik-golf 🇺🇸 868 35 9 Sep 2025 409th SirBogman 🇺🇸 868 35 23 Sep 2025 415th stefangimmillaro 868 92 125ms 18 Sep 2023 416th kg583 🇺🇸 868 114 22ms 9 May 2025 417th 0xjac 🇨🇭 868 137 288ms 17 Jun 2025 417th albanian-laundromat 868 137 251ms 10 days ago 419th DialFrost 🇸🇬 868 159 28 Mar 2025 420th emgordon154 867 31 335ms 10 Sep 2025 421st Steffan153 🇫🇮 867 113 35ms 26 Dec 2022 422nd primo-ppcg 🇹🇭 867 215 12ms 13 Aug 2025 423rd CaedenHarper 🇨🇦 866 71 994ms 11 Sep 2025 424th Natanaelel 🇸🇪 866 115 145ms 23 Jul 2025 425th MeWhenI 🇻🇦 865 72 116ms 13 Dec 2022 426th GrayJoKing 🇦🇺 865 94 158ms 23 Oct 2023 427th LostSyntax21 🇬🇧 864 76 63ms 8 Jan 2025 428th jared-hughes 864 185 11ms 25 Mar 2023 429th jared-hughes 863 81 316ms 19 Sep 2021 429th m-tkach 🇺🇦 863 81 2ms 6 Oct 2021 429th jacklynnepenick 863 81 218ms 5 Nov 2021 429th ehulinsky 🇺🇸 863 81 283ms 10 Nov 2021 429th ZakkkkAttackkkk 🇵🇭 863 81 124ms 21 Dec 2021 429th sean-niemann 🇺🇸 863 81 3ms 5 Jan 2022 429th guilhem-roy 🇫🇷 863 81 359ms 26 Feb 2022 429th suwat513 863 81 313ms 15 Sep 2022 429th LogicalJoe 863 81 252ms 7 Oct 2022 429th Eilonlif 🇮🇱 863 81 345ms 3 Nov 2022 429th btjones0 863 81 346ms 18 Nov 2022 429th Steffan153 🇫🇮 863 81 4ms 12 Jan 2023 429th inventshah 863 81 3ms 14 Feb 2023 429th Alex-x90 🇺🇸 863 81 3ms 14 Feb 2023 429th adamnielson42 🇺🇸 863 81 261ms 10 Apr 2023 429th janbehrens 🇩🇪 863 81 248ms 17 Jun 2023 429th snoozingnewt 🇺🇸 863 81 301ms 3 Oct 2023 429th DialFrost 🇸🇬 863 81 212ms 18 Dec 2023 429th JohandeRuiter 🇳🇱 863 81 5ms 8 Sep 2024 429th ryyyn 🇺🇸 863 81 291ms 17 Jan 2025 429th plcc0 863 81 213ms 20 Apr 2025 429th edsrzf 🇳🇿 863 81 214ms 22 Jul 2025 First Prev 376–450 of 1,975 Next Last