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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 881st msbranicky 705 185 10ms 29 Aug 2023 882nd Shanethegamer 🇺🇸 704 54 1,419ms 13 Sep 2021 883rd jared-hughes 704 82 116ms 11 Sep 2023 884th m-tkach 🇺🇦 704 98 63ms 9 Mar 2023 884th annaproxy 704 98 59ms 22 Oct 2023 886th itsjustfreekie 703 67 83ms 20 Sep 2021 886th Fishron 703 67 71ms 21 Oct 2021 886th fredrik-bakke 🇳🇴 703 67 94ms 29 Sep 2022 886th jakobkordez 🇸🇮 703 67 19ms 30 Oct 2022 886th jmerle 🇳🇱 703 67 77ms 16 Feb 2023 891st jmerle 🇳🇱 703 100 6ms 4 Jul 2023 892nd Yewzir 🇧🇪 702 62 407ms 4 Feb 2024 892nd ovs-code 🇩🇪 702 62 496ms 2 Mar 2024 892nd KatieLG 🇬🇧 702 62 521ms 28 Oct 2024 895th saito-ta 🇯🇵 702 75 6ms 22 Jun 2022 895th inventshah 702 75 1ms 25 Jan 2023 895th Yewzir 🇧🇪 702 75 1ms 22 Dec 2023 895th KasperKivimaeki 🇫🇮 702 75 2ms 5 Jan 2025 899th MeWhenI 🇻🇦 702 92 5ms 2 Oct 2022 900th dbut2 🇦🇺 702 121 331ms 15 Jul 2025 901st MeWhenI 🇻🇦 701 69 2ms 10 Sep 2022 901st Yewzir 🇧🇪 701 69 2ms 22 Dec 2023 901st sean-niemann 🇺🇸 701 69 2ms 8 Oct 2024 901st albanian-laundromat 🇺🇸 701 69 2ms 24 Jun 2025 901st emgordon154 701 69 3ms 35 hours ago 906th Bubbler-4 700 49 65ms 13 Sep 2023 906th ovs-code 🇩🇪 700 49 63ms 13 Sep 2023 908th jared-hughes 700 94 492ms 24 Sep 2025 909th JunkIce 699 90 136ms 23 Feb 2025 909th dokutan 699 90 128ms 23 Jul 2025 911th snoozingnewt 🇨🇦 698 89 451ms 29 Nov 2025 912th msbranicky 697 74 80ms 14 Aug 2023 913th dokutan 697 88 104ms 12 Dec 2025 914th Steffan153 🇫🇮 697 99 56ms 28 Jan 2023 914th ovs-code 🇩🇪 697 99 61ms 3 Jun 2024 914th roupiq 🇵🇱 697 99 60ms 8 Jun 2024 917th jared-hughes 696 71 10ms 29 Oct 2021 917th stefangimmillaro 696 71 10ms 27 Aug 2022 917th SirFireball3521 696 71 11ms 28 Jan 2023 917th Maznek 696 71 11ms 19 Jun 2023 917th snoozingnewt 🇨🇦 696 71 9ms 29 Nov 2025 922nd GrayJoKing 🇦🇺 695 68 6ms 26 Feb 2026 923rd vang1ong7ang 694 33 47ms 83 mins ago 924th sisyphus-ppcg 🇦🇺 693 43 2ms 3 Nov 2020 924th pandapawskat 693 43 1ms 20 Sep 2021 924th stefangimmillaro 693 43 2ms 23 Apr 2022 927th o0lit3 🇺🇸 693 50 11ms 19 Apr 2021 927th armin-k1 693 50 8ms 8 Sep 2021 929th btnlq 693 63 3ms 15 Jul 2023 930th xorraxrax 693 68 10ms 19 Oct 2019 930th NewDefectus 🇮🇱 693 68 12ms 1 Nov 2020 930th ydevor 🇮🇱 693 68 11ms 26 Nov 2020 930th jacklynnepenick 693 68 47ms 17 Aug 2021 930th aposteriorist 🇨🇦 693 68 14ms 6 Feb 2022 930th PowerR0 693 68 10ms 25 Aug 2022 930th SB-945 693 68 19ms 31 Mar 2024 930th Troon 693 68 9ms 11 Feb 2025 938th snoozingnewt 🇨🇦 693 95 497ms 29 Nov 2025 939th GrayJoKing 🇦🇺 692 61 130ms 13 Mar 2022 940th Alex-x90 🇺🇸 692 76 1ms 3 Dec 2022 941st anter69 🇭🇺 691 55 1,392ms 10 Mar 2025 942nd JDiLenarda 🇫🇷 691 61 1,371ms 9 Oct 2020 943rd SirBogman 🇺🇸 691 63 435ms 15 Jan 2024 943rd GolfingSuccess 🇬🇷 691 63 387ms 30 Jan 2024 945th inventshah 691 70 2ms 9 Sep 2022 946th labster 690 45 101ms 23 Feb 2018 946th snoozingnewt 🇨🇦 690 45 101ms 30 Nov 2025 948th jared-hughes 690 100 60ms 20 Jul 2022 949th MeWhenI 🇻🇦 689 75 35ms 20 Jun 2022 950th marshallward 🇺🇸 689 81 39ms 2 Sep 2022 951st JayXon 🇺🇸 689 102 7ms 15 Mar 2023 952nd gnuvince 688 32 9ms 2 Aug 2024 952nd codereport 🇨🇦 688 32 3ms 21 Apr 2025 954th DialFrost 🇸🇬 687 93 36ms 16 Feb 2025 955th rustyflamingo 686 49 540ms 22 Sep 2022 955th antimon2 🇯🇵 686 49 548ms 15 Oct 2022 955th alemelis 686 49 543ms 1 Mar 2023 955th HPWiz 🇳🇿 686 49 538ms 9 Mar 2023 955th ovs-code 🇩🇪 686 49 531ms 24 Oct 2023 955th MarcMush 🇫🇷 686 49 545ms 5 Jan 2024 First Prev 881–960 of 3,314 Next Last