Happy Numbers in all languages 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 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 Snake Sphenic Numbers Trinomial Triangle 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 826th msbranicky 696 74 14 Aug 2023 827th Steffan153 🇫🇮 695 99 28 Jan 2023 827th ovs-code 🇩🇪 695 99 3 Jun 2024 827th roupiq 🇵🇱 695 99 8 Jun 2024 830th xorraxrax 693 68 19 Oct 2019 830th NewDefectus 🇮🇱 693 68 1 Nov 2020 830th ydevor 🇮🇱 693 68 26 Nov 2020 830th jacklynnepenick 693 68 17 Aug 2021 830th aposteriorist 🇨🇦 693 68 6 Feb 2022 830th PowerR0 693 68 25 Aug 2022 830th SB-945 693 68 31 Mar 2024 830th Troon 693 68 11 Feb 2025 838th sisyphus-ppcg 🇦🇺 692 43 3 Nov 2020 838th pandapawskat 692 43 20 Sep 2021 838th stefangimmillaro 692 43 23 Apr 2022 841st o0lit3 🇺🇸 692 50 19 Apr 2021 841st armin-k1 692 50 8 Sep 2021 843rd Alex-x90 🇺🇸 692 76 3 Dec 2022 844th anter69 🇭🇺 690 55 10 Mar 2025 845th GrayJoKing 🇦🇺 690 61 13 Mar 2022 846th btnlq 690 63 15 Jul 2023 846th SirBogman 🇺🇸 690 63 15 Jan 2024 846th GolfingSuccess 🇬🇷 690 63 30 Jan 2024 849th labster 689 45 23 Feb 2018 850th JDiLenarda 🇫🇷 689 61 9 Oct 2020 851st inventshah 689 70 9 Sep 2022 852nd gnuvince 688 32 2 Aug 2024 852nd codereport 🇨🇦 688 32 21 Apr 2025 854th marshallward 🇺🇸 688 81 2 Sep 2022 855th jared-hughes 688 100 20 Jul 2022 856th JayXon 🇺🇸 688 102 15 Mar 2023 857th PatrickStephansen 🇿🇦 686 72 3 Nov 2020 857th KatieLG 🇬🇧 686 72 16 Apr 2021 857th neihousaigaai 686 72 18 Apr 2021 857th two-bad 🇬🇧 686 72 25 Feb 2024 861st MeWhenI 🇻🇦 686 75 20 Jun 2022 862nd rustyflamingo 685 49 22 Sep 2022 862nd antimon2 🇯🇵 685 49 15 Oct 2022 862nd alemelis 685 49 1 Mar 2023 862nd HPWiz 🇳🇿 685 49 9 Mar 2023 862nd ovs-code 🇩🇪 685 49 24 Oct 2023 862nd MarcMush 🇫🇷 685 49 5 Jan 2024 862nd DialFrost 🇸🇬 685 49 5 Jan 2024 862nd twolfive 685 49 5 Oct 2024 870th j-Ewan 683 40 22 Feb 2022 871st Espiobest 683 69 26 Feb 2021 871st cbondurant 683 69 10 May 2021 871st hellwue 683 69 8 Feb 2023 871st Vaekor 683 69 9 Jul 2023 871st jatloe 683 69 27 Sep 2024 876th sean-niemann 🇺🇸 683 77 29 Nov 2022 877th galloj 🇨🇿 683 107 28 Aug 2022 878th MeWhenI 🇻🇦 682 101 8 May 2022 878th janbehrens 🇩🇪 682 101 26 Nov 2023 880th sisyphus-ppcg 🇦🇺 681 67 2 Jul 2023 880th targrik 681 67 17 Jul 2025 882nd retrohun 681 191 27 Dec 2022 883rd Yewzir 🇧🇪 680 87 21 Jan 2024 883rd rucin93 🇵🇱 680 87 22 Apr 2025 885th DialFrost 🇸🇬 680 93 16 Feb 2025 886th MeWhenI 🇻🇦 679 62 11 Nov 2021 887th m-tkach 🇺🇦 679 64 30 Jan 2024 888th inventshah 679 146 17 Jun 2022 889th Irratix 🇳🇱 678 56 25 Mar 2021 889th emgordon154 678 56 18 Nov 2024 891st emplv 🇱🇻 678 63 17 Jul 2025 892nd didion0 🇺🇸 677 73 22 Apr 2021 892nd itsh01 677 73 16 Aug 2021 892nd c0d3-4-F00d 🇩🇪 677 73 5 Jan 2022 892nd DaCuteRaccoon 677 73 30 Nov 2022 892nd inventshah 677 73 28 Jan 2023 892nd snoozingnewt 🇺🇸 677 73 1 Sep 2024 898th primo-ppcg 🇹🇭 676 105 3 Oct 2020 899th primo-ppcg 🇹🇭 675 57 27 Apr 2023 899th GrayJoKing 🇦🇺 675 57 20 Aug 2023 Prev 826–900 of 2,992 Next