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 826th DialFrost 🇸🇬 678 93 16 Feb 2025 827th inventshah 678 146 17 Jun 2022 828th didion0 🇺🇸 676 73 22 Apr 2021 828th itsh01 676 73 16 Aug 2021 828th c0d3-4-F00d 🇩🇪 676 73 5 Jan 2022 828th DaCuteRaccoon 676 73 30 Nov 2022 828th inventshah 676 73 28 Jan 2023 828th snoozingnewt 🇺🇸 676 73 1 Sep 2024 834th primo-ppcg 🇹🇭 675 105 3 Oct 2020 835th Attero 🇸🇪 674 46 4 May 2020 836th primo-ppcg 🇹🇭 674 57 27 Apr 2023 836th GrayJoKing 🇦🇺 674 57 20 Aug 2023 836th emgordon154 674 57 10 Jan 2025 839th marcin7Cd 674 78 17 May 2020 839th lynn 674 78 2 Oct 2021 839th Steffan153 🇫🇮 674 78 28 Jan 2023 842nd annaproxy 674 80 5 May 2022 842nd Yewzir 674 80 8 May 2023 842nd DialFrost 🇸🇬 674 80 26 Dec 2024 845th sean-niemann 🇺🇸 674 108 26 days ago 846th Irratix 🇳🇱 674 147 11 Dec 2021 847th gilufin 673 70 23 May 2021 847th kellantech 673 70 3 Jun 2023 847th 2011-Chan-Ethan 673 70 12 Jul 2023 847th Dataen 673 70 5 Jan 2024 851st GrayJoKing 🇦🇺 671 88 9 Oct 2023 852nd janbehrens 🇩🇪 669 72 26 Nov 2023 853rd GrayJoKing 🇦🇺 668 65 26 Jul 2023 853rd MeWhenI 🇻🇦 668 65 17 Jan 2024 855th HumanoidCPU 668 73 3 May 2024 856th rucin93 🇵🇱 667 64 6 Sep 2024 857th weliveinhell 🇭🇹 667 74 3 Sep 2023 858th jared-hughes 667 76 6 Mar 2022 859th inventshah 667 83 3 Nov 2022 860th m-tkach 🇺🇦 665 79 9 Mar 2023 860th ovs-code 🇩🇪 665 79 24 Mar 2024 860th dokutan 665 79 1 May 2024 860th xsot 🇸🇬 665 79 23 May 2024 860th DialFrost 🇸🇬 665 79 17 Dec 2024 865th Shanethegamer 🇺🇸 664 89 9 Oct 2023 865th MeWhenI 🇻🇦 664 89 10 Oct 2023 867th tnecio 663 71 29 Apr 2021 867th commandblockguy 🇺🇸 663 71 30 Sep 2022 869th guliyevemil1 🇦🇿 662 87 20 Apr 2020 869th strout 662 87 15 Dec 2023 871st GolfingSuccess 🇬🇷 662 110 13 May 2022 872nd GrayJoKing 🇦🇺 661 69 29 Apr 2021 872nd xsot 🇸🇬 661 69 16 Jun 2024 874th DialFrost 🇸🇬 660 73 5 Nov 2023 874th dokutan 660 73 27 Mar 2024 876th Steffan153 🇫🇮 660 106 12 Mar 2023 876th annaproxy 660 106 12 Mar 2023 876th scpchicken 🇵🇼 660 106 12 Mar 2023 876th neel11235813 660 106 14 Mar 2023 876th dokutan 660 106 1 Apr 2023 876th MeWhenI 🇻🇦 660 106 23 Nov 2023 876th Yewzir 660 106 6 Mar 2024 876th KatieLG 🇬🇧 660 106 31 Jul 2024 884th nathanadams 🇳🇿 658 75 13 Oct 2021 885th emgordon154 657 80 22 Dec 2021 885th GrayJoKing 🇦🇺 657 80 13 Mar 2022 885th jared-hughes 657 80 30 Mar 2022 885th janbehrens 🇩🇪 657 80 26 Nov 2023 885th Herbert00709 🇵🇱 657 80 8 Jun 2024 885th roupiq 🇵🇱 657 80 9 Jun 2024 891st MeWhenI 🇻🇦 657 108 20 Apr 2022 892nd msbranicky 656 90 11 Oct 2023 893rd Yewzir 654 58 7 Feb 2024 893rd pardouin 🇫🇷 654 58 22 Aug 2024 895th cure-honey 🇯🇵 654 85 15 Jul 2021 896th janlelis 653 45 22 Jan 2021 897th GrayJoKing 🇦🇺 652 53 10 Apr 2021 897th scpchicken 🇵🇼 652 53 23 May 2021 897th kurkale6ka 652 53 16 Jun 2021 897th sean-niemann 🇺🇸 652 53 7 Sep 2021 Prev 826–900 of 2,726 Next