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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 877th jmerle 🇳🇱 703 67 75ms 16 Feb 2023 882nd Yewzir 🇧🇪 702 62 428ms 4 Feb 2024 882nd ovs-code 🇩🇪 702 62 405ms 2 Mar 2024 882nd KatieLG 🇬🇧 702 62 375ms 28 Oct 2024 885th saito-ta 🇯🇵 702 75 6ms 22 Jun 2022 885th inventshah 702 75 1ms 25 Jan 2023 885th Yewzir 🇧🇪 702 75 1ms 22 Dec 2023 885th KasperKivimaeki 🇫🇮 702 75 2ms 5 Jan 2025 889th jmerle 🇳🇱 702 100 6ms 4 Jul 2023 890th dbut2 🇦🇺 702 121 269ms 15 Jul 2025 891st MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 891st Yewzir 🇧🇪 700 69 2ms 22 Dec 2023 891st sean-niemann 🇺🇸 700 69 2ms 8 Oct 2024 891st albanian-laundromat 700 69 2ms 24 Jun 2025 895th jared-hughes 700 94 494ms 24 Sep 2025 896th Bubbler-4 699 49 65ms 13 Sep 2023 896th ovs-code 🇩🇪 699 49 63ms 13 Sep 2023 898th JunkIce 699 90 128ms 23 Feb 2025 898th dokutan 699 90 125ms 23 Jul 2025 900th edsrzf 🇳🇿 697 70 6ms 23 days ago 901st snoozingnewt 🇨🇦 697 89 467ms 29 Nov 2025 902nd Steffan153 🇫🇮 697 99 56ms 28 Jan 2023 902nd ovs-code 🇩🇪 697 99 51ms 3 Jun 2024 902nd roupiq 🇵🇱 697 99 51ms 8 Jun 2024 905th jared-hughes 696 71 9ms 29 Oct 2021 905th stefangimmillaro 696 71 10ms 27 Aug 2022 905th SirFireball3521 696 71 10ms 28 Jan 2023 905th Maznek 696 71 9ms 19 Jun 2023 905th snoozingnewt 🇨🇦 696 71 10ms 29 Nov 2025 910th msbranicky 696 74 80ms 14 Aug 2023 911th dokutan 695 88 107ms 12 Dec 2025 912th MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 913th xorraxrax 693 68 9ms 19 Oct 2019 913th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 913th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 913th jacklynnepenick 693 68 50ms 17 Aug 2021 913th aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 913th PowerR0 693 68 9ms 25 Aug 2022 913th SB-945 693 68 17ms 31 Mar 2024 913th Troon 693 68 10ms 11 Feb 2025 921st snoozingnewt 🇨🇦 693 95 431ms 29 Nov 2025 922nd sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 922nd pandapawskat 692 43 1ms 20 Sep 2021 922nd stefangimmillaro 692 43 2ms 23 Apr 2022 925th o0lit3 🇺🇸 692 50 11ms 19 Apr 2021 925th armin-k1 692 50 8ms 8 Sep 2021 927th GrayJoKing 🇦🇺 692 61 124ms 13 Mar 2022 928th btnlq 692 63 3ms 15 Jul 2023 929th Alex-x90 🇺🇸 692 76 1ms 3 Dec 2022 930th anter69 🇭🇺 691 55 1,259ms 10 Mar 2025 931st SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 931st GolfingSuccess 🇬🇷 691 63 374ms 30 Jan 2024 933rd JDiLenarda 🇫🇷 690 61 1,207ms 9 Oct 2020 934th inventshah 690 70 2ms 9 Sep 2022 935th jared-hughes 690 100 52ms 20 Jul 2022 936th labster 689 45 117ms 23 Feb 2018 936th snoozingnewt 🇨🇦 689 45 108ms 30 Nov 2025 938th MeWhenI 🇻🇦 689 75 35ms 20 Jun 2022 939th gnuvince 688 32 9ms 2 Aug 2024 939th codereport 🇨🇦 688 32 3ms 21 Apr 2025 941st marshallward 🇺🇸 688 81 39ms 2 Sep 2022 942nd JayXon 🇺🇸 688 102 7ms 15 Mar 2023 943rd PatrickStephansen 🇿🇦 686 72 11ms 3 Nov 2020 943rd KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 943rd neihousaigaai 686 72 9ms 18 Apr 2021 943rd two-bad 🇬🇧 686 72 11ms 25 Feb 2024 947th rustyflamingo 685 49 530ms 22 Sep 2022 947th antimon2 🇯🇵 685 49 530ms 15 Oct 2022 947th alemelis 685 49 502ms 1 Mar 2023 947th HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 947th ovs-code 🇩🇪 685 49 530ms 24 Oct 2023 947th MarcMush 🇫🇷 685 49 490ms 5 Jan 2024 947th DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 947th twolfive 685 49 492ms 5 Oct 2024 955th DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 956th MeWhenI 🇻🇦 684 101 53ms 8 May 2022 956th janbehrens 🇩🇪 684 101 60ms 26 Nov 2023 958th galloj 🇨🇿 684 107 1ms 28 Aug 2022 959th j-Ewan 683 40 33ms 22 Feb 2022 960th Espiobest 683 69 15ms 26 Feb 2021 First Prev 881–960 of 3,220 Next Last