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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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 676th OhmNomNom 810 59 40ms 20 Oct 2022 676th AlephSquirrel 810 59 74ms 14 Apr 2023 676th SirBogman 🇺🇸 810 59 60ms 10 Jan 2024 676th error256 810 59 64ms 13 May 2024 680th Shanethegamer 🇺🇸 810 100 12ms 10 Sep 2022 681st elgan65536 810 123 164ms 5 Mar 2024 681st Mabeloid 🇳🇴 810 123 116ms 13 hours ago 683rd NewDefectus 🇮🇱 809 54 68ms 15 Dec 2021 683rd LostSyntax21 🇬🇧 809 54 147ms 8 Jan 2025 685th Alessandro-Balconi 🇮🇹 809 77 83ms 14 Jul 2023 686th AlephSquirrel 809 104 4ms 6 Aug 2024 687th snyderek 🇺🇸 809 116 81ms 6 Oct 2024 688th msbranicky 808 91 4ms 11 Oct 2023 689th MeWhenI 🇻🇦 808 93 20ms 2 Oct 2022 690th Yewzir 🇧🇪 807 83 469ms 15 Jan 2024 690th Babafaba 807 83 633ms 15 days ago 692nd AlephSquirrel 805 89 14ms 20 Apr 2023 693rd Steffan153 🇫🇮 805 95 20ms 21 Feb 2023 694th GrayJoKing 🇦🇺 804 72 166ms 3 Aug 2024 695th scpchicken 🇵🇼 804 87 264ms 12 Jan 2022 695th JuliaSzulc 804 87 23ms 16 Mar 2022 695th LHuitre 804 87 21ms 5 Jun 2022 695th betaveros 804 87 377ms 1 Jan 2023 695th croc54 804 87 234ms 8 Jan 2025 695th LostSyntax21 🇬🇧 804 87 207ms 8 Mar 2025 695th andrewjc2000 804 87 21ms 11 Aug 2025 702nd snoozingnewt 🇺🇸 804 148 266ms 4 Feb 2024 703rd jared-hughes 803 124 148ms 10 Nov 2022 703rd Re-Adventures 🇮🇳 803 124 152ms 22 Jun 2023 705th Natanaelel 🇸🇪 802 72 78ms 26 Sep 2023 706th c0d3-4-F00d 🇩🇪 802 74 13ms 5 Jan 2022 706th Maznek 802 74 14ms 19 Jun 2023 706th thisishowmymindworks 🇳🇴 802 74 134ms 9 Jun 2024 706th snoozingnewt 🇺🇸 802 74 13ms 1 Sep 2024 710th albanian-laundromat 802 101 12ms 23 Sep 2025 711th GolfingSuccess 🇬🇷 802 117 56ms 19 Mar 2025 712th GolfingSuccess 🇬🇷 802 172 1,087ms 19 Jan 2025 713th brimstonetrader 801 85 139ms 26 Jan 2024 714th inventshah 801 158 411ms 8 Sep 2022 715th primo-ppcg 🇹🇭 800 61 402ms 9 Feb 2022 716th DialFrost 🇸🇬 799 63 257ms 21 Jan 2025 717th MeWhenI 🇻🇦 798 100 109ms 15 Oct 2022 718th Shanethegamer 🇺🇸 798 105 17ms 17 Dec 2023 719th DialFrost 🇸🇬 798 149 279ms 28 Jan 2023 719th LostSyntax21 🇬🇧 798 149 259ms 8 Jan 2025 721st Shanethegamer 🇺🇸 797 60 160ms 19 Sep 2021 721st adoxography 797 60 48ms 18 Dec 2021 721st jared-hughes 797 60 41ms 9 Sep 2022 724th sisyphus-ppcg 🇦🇺 797 96 14ms 7 Apr 2022 724th DialFrost 🇸🇬 797 96 18ms 31 Oct 2024 724th sean-niemann 🇺🇸 797 96 21ms 9 Apr 2025 724th edsrzf 🇳🇿 797 96 12ms 26 Jul 2025 728th CaedenHarper 🇨🇦 796 118 376ms 26 days ago 728th namelessiw 796 118 361ms 24 days ago 730th Waffle3z 795 88 26ms 19 Sep 2021 730th TaserTheFox 🇺🇸 795 88 21ms 28 Feb 2023 730th tobyLovick 795 88 21ms 12 Dec 2023 730th Dataen 795 88 354ms 12 Jan 2024 730th yuchuehw 795 88 30ms 28 Jan 2024 730th Masttest 795 88 21ms 13 Feb 2024 730th Flekay 🇩🇪 795 88 28ms 11 Jul 2025 730th dirckvdende 795 88 412ms 2 Aug 2025 738th MeWhenI 🇻🇦 795 110 43ms 17 Feb 2023 739th tailorspy 795 118 79ms 22 Sep 2024 740th mousetail 🇳🇱 794 55 20ms 15 Jan 2024 741st NewDefectus 🇮🇱 794 88 2ms 16 Dec 2021 742nd Shanethegamer 🇺🇸 794 97 401ms 20 Jun 2022 742nd billings7 🇬🇧 794 97 387ms 21 May 2024 744th MeWhenI 🇻🇦 793 73 145ms 3 Aug 2024 745th steffan-polygolf 789 103 143ms 19 Feb 2024 746th Herbert00709 🇵🇱 789 119 65ms 4 Sep 2024 747th gnuvince 788 33 38ms 2 Aug 2024 747th codereport 🇨🇦 788 33 6ms 21 Apr 2025 749th NickTheEASDude 🇺🇸 788 97 12ms 9 May 2024 750th Shanethegamer 🇺🇸 787 61 532ms 9 Mar 2023 First Prev 676–750 of 1,977 Next Last