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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 897th MeWhenI 🇻🇦 652 53 15 Sep 2021 897th DaCuteRaccoon 652 53 30 Nov 2022 897th Steffan153 🇫🇮 652 53 28 Jan 2023 897th DialFrost 🇸🇬 652 53 28 Jan 2023 897th snoozingnewt 🇺🇸 652 53 1 Sep 2024 897th LostSyntax21 🇬🇧 652 53 8 Jan 2025 907th neihousaigaai 652 152 8 May 2021 908th janbehrens 🇩🇪 651 70 26 Nov 2023 909th Yewzir 651 85 8 Apr 2024 910th emgordon154 650 76 22 Dec 2021 910th KrausRaus 🇺🇸 650 76 26 May 2022 910th helbling 🇨🇭 650 76 4 Jul 2024 913th MeWhenI 🇻🇦 650 78 27 Dec 2022 914th roavin 650 83 16 May 2022 915th dokutan 650 112 2 Oct 2023 916th Attero 🇸🇪 649 81 4 May 2020 916th c0d3-4-F00d 🇩🇪 649 81 5 Jan 2022 918th emgordon154 649 143 22 Dec 2021 918th primo-ppcg 🇹🇭 649 143 5 Mar 2022 918th Yewzir 649 143 13 Jul 2023 918th ovs-code 🇩🇪 649 143 10 Sep 2023 922nd akamayu-ouo 🇹🇼 647 34 30 Jul 2024 923rd annaproxy 647 46 18 Feb 2022 924th SirBogman 🇺🇸 647 86 2 Nov 2022 925th Irratix 🇳🇱 647 89 23 Sep 2021 926th boxjelly 647 153 17 Feb 2021 927th inventshah 646 66 24 Oct 2024 928th bastatom 646 131 25 Feb 2024 928th dokutan 646 131 1 Apr 2024 930th FlorianCassayre 🇫🇷 645 73 30 Oct 2022 930th cykim8811 645 73 11 Jul 2024 930th albanian-laundromat 645 73 26 hours ago 933rd lynn 645 113 27 May 2022 933rd Natanaelel 🇸🇪 645 113 28 Aug 2022 933rd DialFrost 🇸🇬 645 113 5 Jan 2025 936th jared-hughes 645 144 25 Oct 2022 937th Shanethegamer 🇺🇸 644 86 17 Jan 2025 938th lynn 643 59 25 May 2022 938th DialFrost 🇸🇬 643 59 26 Dec 2024 940th stefangimmillaro 642 71 9 Jan 2022 940th emplv 🇱🇻 642 71 21 Jul 2022 942nd jakobwitte 641 77 21 Mar 2018 942nd Mikaeel66 641 77 11 Nov 2019 942nd Re-Adventures 🇮🇳 641 77 18 May 2021 945th DialFrost 🇸🇬 641 79 26 Dec 2024 946th snoozingnewt 🇺🇸 641 82 1 Sep 2024 946th pardouin 🇫🇷 641 82 8 Oct 2024 946th LostSyntax21 🇬🇧 641 82 8 Jan 2025 946th TeodorDyakov 🇧🇬 641 82 5 Mar 2025 950th dpatterbee 641 132 24 Aug 2020 951st NewDefectus 🇮🇱 640 54 15 Dec 2021 952nd emplv 🇱🇻 637 67 5 days ago 953rd Mortis66666 636 74 10 Jun 2022 954th janbehrens 🇩🇪 636 78 26 Nov 2023 955th hrubymar10 636 133 27 Feb 2024 955th CaedenHarper 🇨🇦 636 133 12 Dec 2024 957th ashtraypettingzoo 🇺🇸 635 43 16 Feb 2023 958th GrayJoKing 🇦🇺 635 275 3 Aug 2020 959th Shanethegamer 🇺🇸 633 53 12 Dec 2022 959th MeWhenI 🇻🇦 633 53 15 Feb 2023 961st shuding 633 78 4 May 2020 961st igmcdowell 633 78 20 Dec 2021 961st dylanarmstrong 633 78 24 Jan 2024 964th boxjelly 633 91 22 Jan 2021 965th janbehrens 🇩🇪 632 52 26 Nov 2023 966th b97tsk 631 134 21 Apr 2020 967th Re-Adventures 🇮🇳 631 157 8 Mar 2021 968th MeWhenI 🇻🇦 630 61 23 May 2023 968th edsrzf 🇳🇿 630 61 16 days ago 970th emgordon154 629 35 3 Nov 2024 971st GrayJoKing 🇦🇺 629 88 3 Nov 2022 972nd ovs-code 🇩🇪 628 68 3 Aug 2024 973rd Shanethegamer 🇺🇸 628 109 25 Apr 2023 974th arctouch-cristiannevianna 627 86 25 May 2023 975th NewDefectus 🇮🇱 626 84 16 Dec 2021 Prev 901–975 of 2,726 Next