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 880th stefangimmillaro 696 71 11ms 27 Aug 2022 880th SirFireball3521 696 71 10ms 28 Jan 2023 880th Maznek 696 71 11ms 19 Jun 2023 880th snoozingnewt 🇨🇦 696 71 10ms 29 Nov 2025 885th msbranicky 696 74 78ms 14 Aug 2023 886th MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 887th dokutan 694 88 103ms 12 Dec 2025 888th xorraxrax 693 68 9ms 19 Oct 2019 888th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 888th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 888th jacklynnepenick 693 68 50ms 17 Aug 2021 888th aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 888th PowerR0 693 68 9ms 25 Aug 2022 888th SB-945 693 68 17ms 31 Mar 2024 888th Troon 693 68 10ms 11 Feb 2025 888th JOrE20 693 68 18ms 3 days ago 897th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 897th pandapawskat 692 43 1ms 20 Sep 2021 897th stefangimmillaro 692 43 2ms 23 Apr 2022 900th o0lit3 🇺🇸 692 50 10ms 19 Apr 2021 900th armin-k1 692 50 8ms 8 Sep 2021 902nd Alex-x90 🇺🇸 692 76 1ms 3 Dec 2022 903rd snoozingnewt 🇨🇦 692 95 431ms 29 Nov 2025 904th anter69 🇭🇺 691 55 1,210ms 10 Mar 2025 905th GrayJoKing 🇦🇺 691 61 117ms 13 Mar 2022 906th btnlq 691 63 3ms 15 Jul 2023 906th SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 906th GolfingSuccess 🇬🇷 691 63 374ms 30 Jan 2024 909th JDiLenarda 🇫🇷 690 61 1,274ms 9 Oct 2020 910th inventshah 690 70 2ms 9 Sep 2022 911th jared-hughes 690 100 53ms 20 Jul 2022 912th labster 689 45 87ms 23 Feb 2018 912th snoozingnewt 🇨🇦 689 45 93ms 30 Nov 2025 914th gnuvince 688 32 9ms 2 Aug 2024 914th codereport 🇨🇦 688 32 3ms 21 Apr 2025 916th MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 917th marshallward 🇺🇸 688 81 39ms 2 Sep 2022 918th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 919th PatrickStephansen 🇿🇦 686 72 12ms 3 Nov 2020 919th KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 919th neihousaigaai 686 72 11ms 18 Apr 2021 919th two-bad 🇬🇧 686 72 17ms 25 Feb 2024 923rd rustyflamingo 685 49 530ms 22 Sep 2022 923rd antimon2 🇯🇵 685 49 530ms 15 Oct 2022 923rd alemelis 685 49 502ms 1 Mar 2023 923rd HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 923rd ovs-code 🇩🇪 685 49 530ms 24 Oct 2023 923rd MarcMush 🇫🇷 685 49 490ms 5 Jan 2024 923rd DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 923rd twolfive 685 49 492ms 5 Oct 2024 931st DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 932nd galloj 🇨🇿 684 107 1ms 28 Aug 2022 933rd j-Ewan 683 40 33ms 22 Feb 2022 934th Espiobest 683 69 15ms 26 Feb 2021 934th cbondurant 683 69 9ms 10 May 2021 934th hellwue 683 69 9ms 8 Feb 2023 934th Vaekor 683 69 9ms 9 Jul 2023 934th jatloe 683 69 80ms 27 Sep 2024 939th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 940th MeWhenI 🇻🇦 683 101 55ms 8 May 2022 940th janbehrens 🇩🇪 683 101 52ms 26 Nov 2023 942nd retrohun 682 191 10ms 27 Dec 2022 943rd sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 943rd targrik 681 67 5ms 17 Jul 2025 945th m-tkach 🇺🇦 680 64 381ms 30 Jan 2024 946th MeWhenI 🇻🇦 679 62 118ms 11 Nov 2021 947th Irratix 🇳🇱 678 56 1,259ms 25 Mar 2021 947th emgordon154 678 56 1,214ms 18 Nov 2024 949th emplv 🇱🇻 678 63 130ms 17 Jul 2025 950th didion0 🇺🇸 677 73 17ms 22 Apr 2021 950th itsh01 677 73 16ms 16 Aug 2021 950th c0d3-4-F00d 🇩🇪 677 73 17ms 5 Jan 2022 950th DaCuteRaccoon 677 73 15ms 30 Nov 2022 950th inventshah 677 73 12ms 28 Jan 2023 950th Yax42 🇫🇷 677 73 10ms 12 Nov 2025 956th primo-ppcg 🇹🇭 677 105 2ms 3 Oct 2020 957th primo-ppcg 🇹🇭 676 57 4ms 27 Apr 2023 957th GrayJoKing 🇦🇺 676 57 4ms 20 Aug 2023 957th emgordon154 676 57 4ms 10 Jan 2025 957th sean-niemann 🇺🇸 676 57 4ms 21 Apr 2025 First Prev 881–960 of 3,164 Next Last