Happy Numbers in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Minesweeper 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 Tower of Hanoi 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Minesweeper 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 Tower of Hanoi 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 825th jkelly467 703 61 1,958ms 3 Nov 2025 827th itsjustfreekie 703 67 103ms 20 Sep 2021 827th Fishron 703 67 67ms 21 Oct 2021 827th fredrik-bakke 🇳🇴 703 67 74ms 29 Sep 2022 827th jakobkordez 🇸🇮 703 67 17ms 30 Oct 2022 827th jmerle 🇳🇱 703 67 89ms 16 Feb 2023 832nd jared-hughes 703 82 158ms 11 Sep 2023 833rd m-tkach 🇺🇦 703 98 54ms 9 Mar 2023 833rd annaproxy 703 98 52ms 22 Oct 2023 835th Yewzir 🇧🇪 702 62 349ms 4 Feb 2024 835th ovs-code 🇩🇪 702 62 352ms 2 Mar 2024 835th KatieLG 🇬🇧 702 62 371ms 28 Oct 2024 838th jmerle 🇳🇱 702 100 7ms 4 Jul 2023 839th saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 839th inventshah 701 75 2ms 25 Jan 2023 839th Yewzir 🇧🇪 701 75 2ms 22 Dec 2023 839th KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 843rd dbut2 🇦🇺 701 121 274ms 15 Jul 2025 844th MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 844th Yewzir 🇧🇪 700 69 3ms 22 Dec 2023 844th sean-niemann 🇺🇸 700 69 3ms 8 Oct 2024 844th albanian-laundromat 700 69 2ms 24 Jun 2025 848th jared-hughes 700 94 337ms 24 Sep 2025 849th albanian-laundromat 698 87 107ms 4 days ago 850th JunkIce 698 90 125ms 23 Feb 2025 850th dokutan 698 90 121ms 23 Jul 2025 852nd snoozingnewt 🇺🇸 697 89 375ms 4 days ago 853rd jared-hughes 696 71 9ms 29 Oct 2021 853rd stefangimmillaro 696 71 9ms 27 Aug 2022 853rd SirFireball3521 696 71 9ms 28 Jan 2023 853rd Maznek 696 71 9ms 19 Jun 2023 853rd KrausRaus 🇺🇸 696 71 10ms 14 Oct 2025 853rd snoozingnewt 🇺🇸 696 71 9ms 4 days ago 859th msbranicky 696 74 74ms 14 Aug 2023 860th Steffan153 🇫🇮 696 99 51ms 28 Jan 2023 860th ovs-code 🇩🇪 696 99 48ms 3 Jun 2024 860th roupiq 🇵🇱 696 99 54ms 8 Jun 2024 863rd MeWhenI 🇻🇦 694 133 1,523ms 25 days ago 864th xorraxrax 693 68 9ms 19 Oct 2019 864th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 864th ydevor 🇮🇱 693 68 9ms 26 Nov 2020 864th jacklynnepenick 693 68 45ms 17 Aug 2021 864th aposteriorist 🇨🇦 693 68 9ms 6 Feb 2022 864th PowerR0 693 68 10ms 25 Aug 2022 864th SB-945 693 68 18ms 31 Mar 2024 864th Troon 693 68 9ms 11 Feb 2025 872nd sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 872nd pandapawskat 692 43 3ms 20 Sep 2021 872nd stefangimmillaro 692 43 2ms 23 Apr 2022 875th o0lit3 🇺🇸 692 50 11ms 19 Apr 2021 875th armin-k1 692 50 9ms 8 Sep 2021 877th Alex-x90 🇺🇸 692 76 2ms 3 Dec 2022 878th snoozingnewt 🇺🇸 692 95 335ms 4 days ago 879th anter69 🇭🇺 691 55 1,011ms 10 Mar 2025 880th GrayJoKing 🇦🇺 691 61 115ms 13 Mar 2022 881st btnlq 691 63 4ms 15 Jul 2023 881st SirBogman 🇺🇸 691 63 339ms 15 Jan 2024 881st GolfingSuccess 🇬🇷 691 63 357ms 30 Jan 2024 884th JDiLenarda 🇫🇷 690 61 1,171ms 9 Oct 2020 885th inventshah 690 70 3ms 9 Sep 2022 886th labster 689 45 88ms 23 Feb 2018 886th snoozingnewt 🇺🇸 689 45 78ms 2 days ago 888th jared-hughes 689 100 49ms 20 Jul 2022 889th gnuvince 688 32 9ms 2 Aug 2024 889th codereport 🇨🇦 688 32 3ms 21 Apr 2025 891st marshallward 🇺🇸 688 81 41ms 2 Sep 2022 892nd JayXon 🇺🇸 688 102 7ms 15 Mar 2023 893rd MeWhenI 🇻🇦 687 75 40ms 20 Jun 2022 894th PatrickStephansen 🇿🇦 686 72 12ms 3 Nov 2020 894th KatieLG 🇬🇧 686 72 11ms 16 Apr 2021 894th neihousaigaai 686 72 10ms 18 Apr 2021 894th two-bad 🇬🇧 686 72 10ms 25 Feb 2024 898th rustyflamingo 685 49 492ms 22 Sep 2022 898th antimon2 🇯🇵 685 49 499ms 15 Oct 2022 898th alemelis 685 49 503ms 1 Mar 2023 First Prev 826–900 of 3,115 Next Last