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 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 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 881st saito-ta 🇯🇵 701 75 6ms 22 Jun 2022 881st inventshah 701 75 1ms 25 Jan 2023 881st Yewzir 🇧🇪 701 75 1ms 22 Dec 2023 881st KasperKivimaeki 🇫🇮 701 75 2ms 5 Jan 2025 885th MeWhenI 🇻🇦 700 69 2ms 10 Sep 2022 885th Yewzir 🇧🇪 700 69 2ms 22 Dec 2023 885th sean-niemann 🇺🇸 700 69 2ms 8 Oct 2024 885th albanian-laundromat 700 69 2ms 24 Jun 2025 889th jared-hughes 700 94 494ms 24 Sep 2025 890th Bubbler-4 699 49 65ms 13 Sep 2023 890th ovs-code 🇩🇪 699 49 63ms 13 Sep 2023 892nd JunkIce 699 90 143ms 23 Feb 2025 892nd dokutan 699 90 121ms 23 Jul 2025 894th edsrzf 🇳🇿 697 70 6ms 9 days ago 895th snoozingnewt 🇨🇦 697 89 467ms 29 Nov 2025 896th Steffan153 🇫🇮 697 99 57ms 28 Jan 2023 896th ovs-code 🇩🇪 697 99 57ms 3 Jun 2024 896th roupiq 🇵🇱 697 99 56ms 8 Jun 2024 899th jared-hughes 696 71 9ms 29 Oct 2021 899th stefangimmillaro 696 71 9ms 27 Aug 2022 899th SirFireball3521 696 71 9ms 28 Jan 2023 899th Maznek 696 71 8ms 19 Jun 2023 899th snoozingnewt 🇨🇦 696 71 9ms 29 Nov 2025 904th msbranicky 696 74 80ms 14 Aug 2023 905th dokutan 695 88 107ms 12 Dec 2025 906th MeWhenI 🇻🇦 695 133 1,642ms 7 Nov 2025 907th xorraxrax 693 68 9ms 19 Oct 2019 907th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 907th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 907th jacklynnepenick 693 68 50ms 17 Aug 2021 907th aposteriorist 🇨🇦 693 68 11ms 6 Feb 2022 907th PowerR0 693 68 9ms 25 Aug 2022 907th SB-945 693 68 17ms 31 Mar 2024 907th Troon 693 68 10ms 11 Feb 2025 915th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 915th pandapawskat 692 43 1ms 20 Sep 2021 915th stefangimmillaro 692 43 2ms 23 Apr 2022 918th o0lit3 🇺🇸 692 50 13ms 19 Apr 2021 918th armin-k1 692 50 8ms 8 Sep 2021 920th Alex-x90 🇺🇸 692 76 1ms 3 Dec 2022 921st snoozingnewt 🇨🇦 692 95 431ms 29 Nov 2025 922nd anter69 🇭🇺 691 55 1,259ms 10 Mar 2025 923rd GrayJoKing 🇦🇺 691 61 124ms 13 Mar 2022 924th btnlq 691 63 3ms 15 Jul 2023 924th SirBogman 🇺🇸 691 63 406ms 15 Jan 2024 924th GolfingSuccess 🇬🇷 691 63 374ms 30 Jan 2024 927th JDiLenarda 🇫🇷 690 61 1,207ms 9 Oct 2020 928th inventshah 690 70 2ms 9 Sep 2022 929th jared-hughes 690 100 58ms 20 Jul 2022 930th labster 689 45 102ms 23 Feb 2018 930th snoozingnewt 🇨🇦 689 45 95ms 30 Nov 2025 932nd gnuvince 688 32 9ms 2 Aug 2024 932nd codereport 🇨🇦 688 32 3ms 21 Apr 2025 934th MeWhenI 🇻🇦 688 75 35ms 20 Jun 2022 935th marshallward 🇺🇸 688 81 39ms 2 Sep 2022 936th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 937th PatrickStephansen 🇿🇦 686 72 11ms 3 Nov 2020 937th KatieLG 🇬🇧 686 72 11ms 16 Apr 2021 937th neihousaigaai 686 72 9ms 18 Apr 2021 937th two-bad 🇬🇧 686 72 9ms 25 Feb 2024 941st rustyflamingo 685 49 530ms 22 Sep 2022 941st antimon2 🇯🇵 685 49 530ms 15 Oct 2022 941st alemelis 685 49 502ms 1 Mar 2023 941st HPWiz 🇳🇿 685 49 514ms 9 Mar 2023 941st ovs-code 🇩🇪 685 49 530ms 24 Oct 2023 941st MarcMush 🇫🇷 685 49 490ms 5 Jan 2024 941st DialFrost 🇸🇬 685 49 527ms 5 Jan 2024 941st twolfive 685 49 492ms 5 Oct 2024 949th DialFrost 🇸🇬 685 93 36ms 16 Feb 2025 950th galloj 🇨🇿 684 107 1ms 28 Aug 2022 951st j-Ewan 683 40 33ms 22 Feb 2022 952nd Espiobest 683 69 15ms 26 Feb 2021 952nd cbondurant 683 69 9ms 10 May 2021 952nd hellwue 683 69 9ms 8 Feb 2023 952nd Vaekor 683 69 9ms 9 Jul 2023 952nd jatloe 683 69 80ms 27 Sep 2024 957th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 958th MeWhenI 🇻🇦 683 101 56ms 8 May 2022 958th janbehrens 🇩🇪 683 101 58ms 26 Nov 2023 960th retrohun 682 191 10ms 27 Dec 2022 First Prev 881–960 of 3,193 Next Last