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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 878th albanian-laundromat 700 69 2ms 24 Jun 2025 882nd jared-hughes 700 94 494ms 24 Sep 2025 883rd Bubbler-4 699 49 65ms 13 Sep 2023 883rd ovs-code 🇩🇪 699 49 63ms 13 Sep 2023 885th JunkIce 699 90 143ms 23 Feb 2025 885th dokutan 699 90 121ms 23 Jul 2025 887th edsrzf 🇳🇿 697 70 6ms 8 days ago 888th snoozingnewt 🇨🇦 697 89 467ms 29 Nov 2025 889th Steffan153 🇫🇮 697 99 57ms 28 Jan 2023 889th ovs-code 🇩🇪 697 99 57ms 3 Jun 2024 889th roupiq 🇵🇱 697 99 56ms 8 Jun 2024 892nd jared-hughes 696 71 14ms 29 Oct 2021 892nd stefangimmillaro 696 71 10ms 27 Aug 2022 892nd SirFireball3521 696 71 9ms 28 Jan 2023 892nd Maznek 696 71 9ms 19 Jun 2023 892nd snoozingnewt 🇨🇦 696 71 9ms 29 Nov 2025 897th msbranicky 696 74 95ms 14 Aug 2023 898th dokutan 695 88 107ms 12 Dec 2025 899th MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 900th xorraxrax 693 68 9ms 19 Oct 2019 900th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 900th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 900th jacklynnepenick 693 68 50ms 17 Aug 2021 900th aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 900th PowerR0 693 68 9ms 25 Aug 2022 900th SB-945 693 68 17ms 31 Mar 2024 900th Troon 693 68 10ms 11 Feb 2025 908th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 908th pandapawskat 692 43 1ms 20 Sep 2021 908th stefangimmillaro 692 43 2ms 23 Apr 2022 911th o0lit3 🇺🇸 692 50 13ms 19 Apr 2021 911th armin-k1 692 50 8ms 8 Sep 2021 913th Alex-x90 🇺🇸 692 76 1ms 3 Dec 2022 914th snoozingnewt 🇨🇦 692 95 431ms 29 Nov 2025 915th anter69 🇭🇺 691 55 1,259ms 10 Mar 2025 916th GrayJoKing 🇦🇺 691 61 124ms 13 Mar 2022 917th btnlq 691 63 3ms 15 Jul 2023 917th SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 917th GolfingSuccess 🇬🇷 691 63 374ms 30 Jan 2024 920th JDiLenarda 🇫🇷 690 61 1,282ms 9 Oct 2020 921st inventshah 690 70 2ms 9 Sep 2022 922nd jared-hughes 690 100 58ms 20 Jul 2022 923rd labster 689 45 102ms 23 Feb 2018 923rd snoozingnewt 🇨🇦 689 45 95ms 30 Nov 2025 925th gnuvince 688 32 9ms 2 Aug 2024 925th codereport 🇨🇦 688 32 3ms 21 Apr 2025 927th MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 928th marshallward 🇺🇸 688 81 39ms 2 Sep 2022 929th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 930th PatrickStephansen 🇿🇦 686 72 11ms 3 Nov 2020 930th KatieLG 🇬🇧 686 72 12ms 16 Apr 2021 930th neihousaigaai 686 72 10ms 18 Apr 2021 930th two-bad 🇬🇧 686 72 11ms 25 Feb 2024 934th rustyflamingo 685 49 530ms 22 Sep 2022 934th antimon2 🇯🇵 685 49 530ms 15 Oct 2022 934th alemelis 685 49 502ms 1 Mar 2023 934th HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 934th ovs-code 🇩🇪 685 49 530ms 24 Oct 2023 934th MarcMush 🇫🇷 685 49 490ms 5 Jan 2024 934th DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 934th twolfive 685 49 492ms 5 Oct 2024 942nd DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 943rd galloj 🇨🇿 684 107 1ms 28 Aug 2022 944th j-Ewan 683 40 33ms 22 Feb 2022 945th Espiobest 683 69 15ms 26 Feb 2021 945th cbondurant 683 69 9ms 10 May 2021 945th hellwue 683 69 9ms 8 Feb 2023 945th Vaekor 683 69 9ms 9 Jul 2023 945th jatloe 683 69 80ms 27 Sep 2024 950th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 951st MeWhenI 🇻🇦 683 101 58ms 8 May 2022 951st janbehrens 🇩🇪 683 101 58ms 26 Nov 2023 953rd retrohun 682 191 10ms 27 Dec 2022 954th sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 954th targrik 681 67 5ms 17 Jul 2025 956th MeWhenI 🇻🇦 680 62 132ms 11 Nov 2021 957th m-tkach 🇺🇦 680 64 381ms 30 Jan 2024 958th Irratix 🇳🇱 678 56 1,259ms 25 Mar 2021 958th emgordon154 678 56 1,214ms 18 Nov 2024 960th emplv 🇱🇻 678 63 156ms 17 Jul 2025 First Prev 881–960 of 3,191 Next Last