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 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 880th ovs-code 🇩🇪 699 49 63ms 13 Sep 2023 882nd JunkIce 698 90 123ms 23 Feb 2025 882nd dokutan 698 90 122ms 23 Jul 2025 884th snoozingnewt 🇨🇦 697 89 467ms 29 Nov 2025 885th Steffan153 🇫🇮 697 99 55ms 28 Jan 2023 885th ovs-code 🇩🇪 697 99 54ms 3 Jun 2024 885th roupiq 🇵🇱 697 99 56ms 8 Jun 2024 888th jared-hughes 696 71 9ms 29 Oct 2021 888th stefangimmillaro 696 71 9ms 27 Aug 2022 888th SirFireball3521 696 71 9ms 28 Jan 2023 888th Maznek 696 71 9ms 19 Jun 2023 888th snoozingnewt 🇨🇦 696 71 9ms 29 Nov 2025 893rd msbranicky 696 74 78ms 14 Aug 2023 894th dokutan 695 88 103ms 12 Dec 2025 895th MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 896th xorraxrax 693 68 9ms 19 Oct 2019 896th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 896th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 896th jacklynnepenick 693 68 50ms 17 Aug 2021 896th aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 896th PowerR0 693 68 9ms 25 Aug 2022 896th SB-945 693 68 17ms 31 Mar 2024 896th Troon 693 68 10ms 11 Feb 2025 904th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 904th pandapawskat 692 43 1ms 20 Sep 2021 904th stefangimmillaro 692 43 2ms 23 Apr 2022 907th o0lit3 🇺🇸 692 50 10ms 19 Apr 2021 907th armin-k1 692 50 8ms 8 Sep 2021 909th Alex-x90 🇺🇸 692 76 1ms 3 Dec 2022 910th snoozingnewt 🇨🇦 692 95 431ms 29 Nov 2025 911th anter69 🇭🇺 691 55 1,259ms 10 Mar 2025 912th GrayJoKing 🇦🇺 691 61 124ms 13 Mar 2022 913th btnlq 691 63 3ms 15 Jul 2023 913th SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 913th GolfingSuccess 🇬🇷 691 63 374ms 30 Jan 2024 916th JDiLenarda 🇫🇷 690 61 1,274ms 9 Oct 2020 917th inventshah 690 70 2ms 9 Sep 2022 918th jared-hughes 690 100 54ms 20 Jul 2022 919th labster 689 45 102ms 23 Feb 2018 919th snoozingnewt 🇨🇦 689 45 98ms 30 Nov 2025 921st gnuvince 688 32 9ms 2 Aug 2024 921st codereport 🇨🇦 688 32 3ms 21 Apr 2025 923rd MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 924th marshallward 🇺🇸 688 81 39ms 2 Sep 2022 925th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 926th PatrickStephansen 🇿🇦 686 72 11ms 3 Nov 2020 926th KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 926th neihousaigaai 686 72 10ms 18 Apr 2021 926th two-bad 🇬🇧 686 72 11ms 25 Feb 2024 930th rustyflamingo 685 49 530ms 22 Sep 2022 930th antimon2 🇯🇵 685 49 530ms 15 Oct 2022 930th alemelis 685 49 502ms 1 Mar 2023 930th HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 930th ovs-code 🇩🇪 685 49 530ms 24 Oct 2023 930th MarcMush 🇫🇷 685 49 490ms 5 Jan 2024 930th DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 930th twolfive 685 49 492ms 5 Oct 2024 938th DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 939th galloj 🇨🇿 684 107 1ms 28 Aug 2022 940th j-Ewan 683 40 33ms 22 Feb 2022 941st Espiobest 683 69 15ms 26 Feb 2021 941st cbondurant 683 69 9ms 10 May 2021 941st hellwue 683 69 9ms 8 Feb 2023 941st Vaekor 683 69 9ms 9 Jul 2023 941st jatloe 683 69 80ms 27 Sep 2024 946th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 947th MeWhenI 🇻🇦 683 101 49ms 8 May 2022 947th janbehrens 🇩🇪 683 101 53ms 26 Nov 2023 949th retrohun 682 191 10ms 27 Dec 2022 950th sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 950th targrik 681 67 5ms 17 Jul 2025 952nd m-tkach 🇺🇦 680 64 381ms 30 Jan 2024 953rd MeWhenI 🇻🇦 679 62 132ms 11 Nov 2021 954th Irratix 🇳🇱 678 56 1,259ms 25 Mar 2021 954th emgordon154 678 56 1,214ms 18 Nov 2024 956th emplv 🇱🇻 678 63 140ms 17 Jul 2025 957th didion0 🇺🇸 677 73 12ms 22 Apr 2021 957th itsh01 677 73 12ms 16 Aug 2021 957th c0d3-4-F00d 🇩🇪 677 73 9ms 5 Jan 2022 957th DaCuteRaccoon 677 73 9ms 30 Nov 2022 First Prev 881–960 of 3,178 Next Last