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 ><> 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 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 JunkIce 698 90 123ms 23 Feb 2025 881st dokutan 698 90 122ms 23 Jul 2025 883rd snoozingnewt 🇨🇦 697 89 467ms 29 Nov 2025 884th Steffan153 🇫🇮 697 99 58ms 28 Jan 2023 884th ovs-code 🇩🇪 697 99 54ms 3 Jun 2024 884th roupiq 🇵🇱 697 99 56ms 8 Jun 2024 887th jared-hughes 696 71 9ms 29 Oct 2021 887th stefangimmillaro 696 71 9ms 27 Aug 2022 887th SirFireball3521 696 71 9ms 28 Jan 2023 887th Maznek 696 71 9ms 19 Jun 2023 887th snoozingnewt 🇨🇦 696 71 9ms 29 Nov 2025 892nd msbranicky 696 74 78ms 14 Aug 2023 893rd MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 894th dokutan 694 88 103ms 12 Dec 2025 895th xorraxrax 693 68 9ms 19 Oct 2019 895th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 895th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 895th jacklynnepenick 693 68 50ms 17 Aug 2021 895th aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 895th PowerR0 693 68 9ms 25 Aug 2022 895th SB-945 693 68 17ms 31 Mar 2024 895th Troon 693 68 10ms 11 Feb 2025 903rd sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 903rd pandapawskat 692 43 1ms 20 Sep 2021 903rd stefangimmillaro 692 43 2ms 23 Apr 2022 906th o0lit3 🇺🇸 692 50 10ms 19 Apr 2021 906th armin-k1 692 50 8ms 8 Sep 2021 908th Alex-x90 🇺🇸 692 76 1ms 3 Dec 2022 909th snoozingnewt 🇨🇦 692 95 431ms 29 Nov 2025 910th anter69 🇭🇺 691 55 1,210ms 10 Mar 2025 911th GrayJoKing 🇦🇺 691 61 124ms 13 Mar 2022 912th btnlq 691 63 3ms 15 Jul 2023 912th SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 912th GolfingSuccess 🇬🇷 691 63 374ms 30 Jan 2024 915th JDiLenarda 🇫🇷 690 61 1,274ms 9 Oct 2020 916th inventshah 690 70 2ms 9 Sep 2022 917th jared-hughes 690 100 54ms 20 Jul 2022 918th labster 689 45 87ms 23 Feb 2018 918th snoozingnewt 🇨🇦 689 45 93ms 30 Nov 2025 920th gnuvince 688 32 9ms 2 Aug 2024 920th codereport 🇨🇦 688 32 3ms 21 Apr 2025 922nd MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 923rd marshallward 🇺🇸 688 81 39ms 2 Sep 2022 924th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 925th PatrickStephansen 🇿🇦 686 72 14ms 3 Nov 2020 925th KatieLG 🇬🇧 686 72 10ms 16 Apr 2021 925th neihousaigaai 686 72 10ms 18 Apr 2021 925th two-bad 🇬🇧 686 72 11ms 25 Feb 2024 929th rustyflamingo 685 49 530ms 22 Sep 2022 929th antimon2 🇯🇵 685 49 530ms 15 Oct 2022 929th alemelis 685 49 502ms 1 Mar 2023 929th HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 929th ovs-code 🇩🇪 685 49 530ms 24 Oct 2023 929th MarcMush 🇫🇷 685 49 490ms 5 Jan 2024 929th DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 929th twolfive 685 49 492ms 5 Oct 2024 937th DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 938th galloj 🇨🇿 684 107 1ms 28 Aug 2022 939th j-Ewan 683 40 33ms 22 Feb 2022 940th Espiobest 683 69 15ms 26 Feb 2021 940th cbondurant 683 69 9ms 10 May 2021 940th hellwue 683 69 9ms 8 Feb 2023 940th Vaekor 683 69 9ms 9 Jul 2023 940th jatloe 683 69 80ms 27 Sep 2024 945th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 946th MeWhenI 🇻🇦 683 101 49ms 8 May 2022 946th janbehrens 🇩🇪 683 101 54ms 26 Nov 2023 948th retrohun 682 191 10ms 27 Dec 2022 949th sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 949th targrik 681 67 5ms 17 Jul 2025 951st m-tkach 🇺🇦 680 64 381ms 30 Jan 2024 952nd MeWhenI 🇻🇦 679 62 132ms 11 Nov 2021 953rd Irratix 🇳🇱 678 56 1,259ms 25 Mar 2021 953rd emgordon154 678 56 1,214ms 18 Nov 2024 955th emplv 🇱🇻 678 63 130ms 17 Jul 2025 956th didion0 🇺🇸 677 73 12ms 22 Apr 2021 956th itsh01 677 73 12ms 16 Aug 2021 956th c0d3-4-F00d 🇩🇪 677 73 9ms 5 Jan 2022 956th DaCuteRaccoon 677 73 9ms 30 Nov 2022 956th inventshah 677 73 8ms 28 Jan 2023 First Prev 881–960 of 3,173 Next Last