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 881st msbranicky 696 74 78ms 14 Aug 2023 882nd MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 883rd dokutan 694 88 116ms 12 Dec 2025 884th xorraxrax 693 68 9ms 19 Oct 2019 884th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 884th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 884th jacklynnepenick 693 68 50ms 17 Aug 2021 884th aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 884th PowerR0 693 68 10ms 25 Aug 2022 884th SB-945 693 68 17ms 31 Mar 2024 884th Troon 693 68 10ms 11 Feb 2025 892nd sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 892nd pandapawskat 692 43 1ms 20 Sep 2021 892nd stefangimmillaro 692 43 2ms 23 Apr 2022 895th o0lit3 🇺🇸 692 50 10ms 19 Apr 2021 895th armin-k1 692 50 8ms 8 Sep 2021 897th Alex-x90 🇺🇸 692 76 2ms 3 Dec 2022 898th snoozingnewt 🇨🇦 692 95 431ms 29 Nov 2025 899th anter69 🇭🇺 691 55 1,210ms 10 Mar 2025 900th GrayJoKing 🇦🇺 691 61 117ms 13 Mar 2022 901st btnlq 691 63 3ms 15 Jul 2023 901st SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 901st GolfingSuccess 🇬🇷 691 63 420ms 30 Jan 2024 904th JDiLenarda 🇫🇷 690 61 1,367ms 9 Oct 2020 905th inventshah 690 70 2ms 9 Sep 2022 906th jared-hughes 690 100 53ms 20 Jul 2022 907th labster 689 45 87ms 23 Feb 2018 907th snoozingnewt 🇨🇦 689 45 93ms 30 Nov 2025 909th gnuvince 688 32 10ms 2 Aug 2024 909th codereport 🇨🇦 688 32 3ms 21 Apr 2025 911th MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 912th marshallward 🇺🇸 688 81 39ms 2 Sep 2022 913th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 914th PatrickStephansen 🇿🇦 686 72 16ms 3 Nov 2020 914th KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 914th neihousaigaai 686 72 11ms 18 Apr 2021 914th two-bad 🇬🇧 686 72 12ms 25 Feb 2024 918th rustyflamingo 685 49 530ms 22 Sep 2022 918th antimon2 🇯🇵 685 49 561ms 15 Oct 2022 918th alemelis 685 49 534ms 1 Mar 2023 918th HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 918th ovs-code 🇩🇪 685 49 622ms 24 Oct 2023 918th MarcMush 🇫🇷 685 49 574ms 5 Jan 2024 918th DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 918th twolfive 685 49 492ms 5 Oct 2024 926th DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 927th galloj 🇨🇿 684 107 1ms 28 Aug 2022 928th j-Ewan 683 40 33ms 22 Feb 2022 929th Espiobest 683 69 15ms 26 Feb 2021 929th cbondurant 683 69 9ms 10 May 2021 929th hellwue 683 69 9ms 8 Feb 2023 929th Vaekor 683 69 9ms 9 Jul 2023 929th jatloe 683 69 81ms 27 Sep 2024 934th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 935th MeWhenI 🇻🇦 683 101 55ms 8 May 2022 935th janbehrens 🇩🇪 683 101 52ms 26 Nov 2023 937th retrohun 682 191 10ms 27 Dec 2022 938th sisyphus-ppcg 🇦🇺 681 67 5ms 2 Jul 2023 938th targrik 681 67 4ms 17 Jul 2025 940th m-tkach 🇺🇦 680 64 381ms 30 Jan 2024 941st MeWhenI 🇻🇦 679 62 118ms 11 Nov 2021 942nd Irratix 🇳🇱 678 56 1,259ms 25 Mar 2021 942nd emgordon154 678 56 1,214ms 18 Nov 2024 944th emplv 🇱🇻 678 63 134ms 17 Jul 2025 945th didion0 🇺🇸 677 73 19ms 22 Apr 2021 945th itsh01 677 73 14ms 16 Aug 2021 945th c0d3-4-F00d 🇩🇪 677 73 11ms 5 Jan 2022 945th DaCuteRaccoon 677 73 15ms 30 Nov 2022 945th inventshah 677 73 9ms 28 Jan 2023 945th Yax42 🇫🇷 677 73 9ms 12 Nov 2025 951st primo-ppcg 🇹🇭 677 105 2ms 3 Oct 2020 952nd primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 952nd GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 952nd emgordon154 676 57 4ms 10 Jan 2025 952nd sean-niemann 🇺🇸 676 57 3ms 21 Apr 2025 952nd kg583 🇺🇸 676 57 3ms 26 Sep 2025 952nd edsrzf 🇳🇿 676 57 4ms 26 Sep 2025 958th Attero 🇸🇪 675 46 115ms 4 May 2020 959th annaproxy 675 80 405ms 5 May 2022 959th Yewzir 🇧🇪 675 80 394ms 8 May 2023 First Prev 881–960 of 3,155 Next Last