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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix 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 ArkScript 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 ><> 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix 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 878th Maznek 696 71 9ms 19 Jun 2023 878th snoozingnewt 🇨🇦 696 71 11ms 29 Nov 2025 883rd msbranicky 696 74 78ms 14 Aug 2023 884th MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 885th dokutan 694 88 116ms 12 Dec 2025 886th xorraxrax 693 68 9ms 19 Oct 2019 886th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 886th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 886th jacklynnepenick 693 68 50ms 17 Aug 2021 886th aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 886th PowerR0 693 68 10ms 25 Aug 2022 886th SB-945 693 68 17ms 31 Mar 2024 886th Troon 693 68 10ms 11 Feb 2025 894th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 894th pandapawskat 692 43 1ms 20 Sep 2021 894th stefangimmillaro 692 43 2ms 23 Apr 2022 897th o0lit3 🇺🇸 692 50 10ms 19 Apr 2021 897th armin-k1 692 50 8ms 8 Sep 2021 899th Alex-x90 🇺🇸 692 76 2ms 3 Dec 2022 900th snoozingnewt 🇨🇦 692 95 431ms 29 Nov 2025 901st anter69 🇭🇺 691 55 1,210ms 10 Mar 2025 902nd GrayJoKing 🇦🇺 691 61 117ms 13 Mar 2022 903rd btnlq 691 63 3ms 15 Jul 2023 903rd SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 903rd GolfingSuccess 🇬🇷 691 63 420ms 30 Jan 2024 906th JDiLenarda 🇫🇷 690 61 1,367ms 9 Oct 2020 907th inventshah 690 70 2ms 9 Sep 2022 908th jared-hughes 690 100 53ms 20 Jul 2022 909th labster 689 45 87ms 23 Feb 2018 909th snoozingnewt 🇨🇦 689 45 93ms 30 Nov 2025 911th gnuvince 688 32 10ms 2 Aug 2024 911th codereport 🇨🇦 688 32 3ms 21 Apr 2025 913th MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 914th marshallward 🇺🇸 688 81 39ms 2 Sep 2022 915th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 916th PatrickStephansen 🇿🇦 686 72 11ms 3 Nov 2020 916th KatieLG 🇬🇧 686 72 11ms 16 Apr 2021 916th neihousaigaai 686 72 10ms 18 Apr 2021 916th two-bad 🇬🇧 686 72 10ms 25 Feb 2024 920th rustyflamingo 685 49 530ms 22 Sep 2022 920th antimon2 🇯🇵 685 49 550ms 15 Oct 2022 920th alemelis 685 49 534ms 1 Mar 2023 920th HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 920th ovs-code 🇩🇪 685 49 568ms 24 Oct 2023 920th MarcMush 🇫🇷 685 49 490ms 5 Jan 2024 920th DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 920th twolfive 685 49 492ms 5 Oct 2024 928th DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 929th galloj 🇨🇿 684 107 1ms 28 Aug 2022 930th j-Ewan 683 40 33ms 22 Feb 2022 931st Espiobest 683 69 15ms 26 Feb 2021 931st cbondurant 683 69 9ms 10 May 2021 931st hellwue 683 69 9ms 8 Feb 2023 931st Vaekor 683 69 9ms 9 Jul 2023 931st jatloe 683 69 81ms 27 Sep 2024 936th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 937th MeWhenI 🇻🇦 683 101 55ms 8 May 2022 937th janbehrens 🇩🇪 683 101 52ms 26 Nov 2023 939th retrohun 682 191 10ms 27 Dec 2022 940th sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 940th targrik 681 67 5ms 17 Jul 2025 942nd m-tkach 🇺🇦 680 64 381ms 30 Jan 2024 943rd MeWhenI 🇻🇦 679 62 118ms 11 Nov 2021 944th Irratix 🇳🇱 678 56 1,259ms 25 Mar 2021 944th emgordon154 678 56 1,214ms 18 Nov 2024 946th emplv 🇱🇻 678 63 134ms 17 Jul 2025 947th didion0 🇺🇸 677 73 11ms 22 Apr 2021 947th itsh01 677 73 13ms 16 Aug 2021 947th c0d3-4-F00d 🇩🇪 677 73 11ms 5 Jan 2022 947th DaCuteRaccoon 677 73 11ms 30 Nov 2022 947th inventshah 677 73 9ms 28 Jan 2023 947th Yax42 🇫🇷 677 73 9ms 12 Nov 2025 953rd primo-ppcg 🇹🇭 677 105 2ms 3 Oct 2020 954th primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 954th GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 954th emgordon154 676 57 4ms 10 Jan 2025 954th sean-niemann 🇺🇸 676 57 3ms 21 Apr 2025 954th kg583 🇺🇸 676 57 3ms 26 Sep 2025 954th edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 960th Attero 🇸🇪 675 46 115ms 4 May 2020 First Prev 881–960 of 3,161 Next Last