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 Multitap Input 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 Multitap Input 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 826th GrayJoKing 🇦🇺 705 72 1ms 9 Apr 2022 827th msbranicky 704 185 10ms 29 Aug 2023 828th Shanethegamer 🇺🇸 703 54 890ms 13 Sep 2021 829th sean-niemann 🇺🇸 703 61 2,794ms 30 Oct 2024 829th jkelly467 703 61 1,958ms 3 Nov 2025 831st itsjustfreekie 703 67 103ms 20 Sep 2021 831st Fishron 703 67 67ms 21 Oct 2021 831st fredrik-bakke 🇳🇴 703 67 74ms 29 Sep 2022 831st jakobkordez 🇸🇮 703 67 17ms 30 Oct 2022 831st jmerle 🇳🇱 703 67 89ms 16 Feb 2023 836th jared-hughes 703 82 158ms 11 Sep 2023 837th m-tkach 🇺🇦 703 98 58ms 9 Mar 2023 837th annaproxy 703 98 51ms 22 Oct 2023 839th Yewzir 🇧🇪 702 62 349ms 4 Feb 2024 839th ovs-code 🇩🇪 702 62 352ms 2 Mar 2024 839th KatieLG 🇬🇧 702 62 371ms 28 Oct 2024 842nd jmerle 🇳🇱 702 100 7ms 4 Jul 2023 843rd saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 843rd inventshah 701 75 2ms 25 Jan 2023 843rd Yewzir 🇧🇪 701 75 2ms 22 Dec 2023 843rd KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 847th dbut2 🇦🇺 701 121 274ms 15 Jul 2025 848th MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 848th Yewzir 🇧🇪 700 69 3ms 22 Dec 2023 848th sean-niemann 🇺🇸 700 69 3ms 8 Oct 2024 848th albanian-laundromat 700 69 2ms 24 Jun 2025 852nd jared-hughes 700 94 337ms 24 Sep 2025 853rd albanian-laundromat 698 87 107ms 8 days ago 854th JunkIce 698 90 125ms 23 Feb 2025 854th dokutan 698 90 121ms 23 Jul 2025 856th snoozingnewt 🇨🇦 697 89 375ms 7 days ago 857th jared-hughes 696 71 9ms 29 Oct 2021 857th stefangimmillaro 696 71 9ms 27 Aug 2022 857th SirFireball3521 696 71 9ms 28 Jan 2023 857th Maznek 696 71 9ms 19 Jun 2023 857th KrausRaus 🇺🇸 696 71 10ms 14 Oct 2025 857th snoozingnewt 🇨🇦 696 71 9ms 7 days ago 863rd msbranicky 696 74 74ms 14 Aug 2023 864th Steffan153 🇫🇮 696 99 53ms 28 Jan 2023 864th ovs-code 🇩🇪 696 99 53ms 3 Jun 2024 864th roupiq 🇵🇱 696 99 54ms 8 Jun 2024 867th MeWhenI 🇻🇦 694 133 1,523ms 7 Nov 2025 868th xorraxrax 693 68 9ms 19 Oct 2019 868th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 868th ydevor 🇮🇱 693 68 9ms 26 Nov 2020 868th jacklynnepenick 693 68 45ms 17 Aug 2021 868th aposteriorist 🇨🇦 693 68 9ms 6 Feb 2022 868th PowerR0 693 68 10ms 25 Aug 2022 868th SB-945 693 68 18ms 31 Mar 2024 868th Troon 693 68 9ms 11 Feb 2025 876th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 876th pandapawskat 692 43 3ms 20 Sep 2021 876th stefangimmillaro 692 43 2ms 23 Apr 2022 879th o0lit3 🇺🇸 692 50 11ms 19 Apr 2021 879th armin-k1 692 50 8ms 8 Sep 2021 881st Alex-x90 🇺🇸 692 76 2ms 3 Dec 2022 882nd snoozingnewt 🇨🇦 692 95 335ms 7 days ago 883rd anter69 🇭🇺 691 55 1,011ms 10 Mar 2025 884th GrayJoKing 🇦🇺 691 61 115ms 13 Mar 2022 885th btnlq 691 63 4ms 15 Jul 2023 885th SirBogman 🇺🇸 691 63 339ms 15 Jan 2024 885th GolfingSuccess 🇬🇷 691 63 357ms 30 Jan 2024 888th JDiLenarda 🇫🇷 690 61 1,171ms 9 Oct 2020 889th inventshah 690 70 3ms 9 Sep 2022 890th labster 689 45 88ms 23 Feb 2018 890th snoozingnewt 🇨🇦 689 45 78ms 6 days ago 892nd jared-hughes 689 100 54ms 20 Jul 2022 893rd gnuvince 688 32 9ms 2 Aug 2024 893rd codereport 🇨🇦 688 32 3ms 21 Apr 2025 895th marshallward 🇺🇸 688 81 41ms 2 Sep 2022 896th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 897th MeWhenI 🇻🇦 687 75 40ms 20 Jun 2022 898th PatrickStephansen 🇿🇦 686 72 10ms 3 Nov 2020 898th KatieLG 🇬🇧 686 72 11ms 16 Apr 2021 898th neihousaigaai 686 72 10ms 18 Apr 2021 First Prev 826–900 of 3,119 Next Last