Happy Numbers (Long) 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 799th guilhem-roy 🇫🇷 732 81 301ms 26 Feb 2022 799th suwat513 732 81 301ms 15 Sep 2022 799th LogicalJoe 732 81 219ms 7 Oct 2022 799th Eilonlif 🇮🇱 732 81 307ms 3 Nov 2022 799th janbehrens 🇩🇪 732 81 219ms 17 Jun 2023 799th bknower 732 81 24ms 26 Jun 2025 799th edsrzf 🇳🇿 732 81 218ms 22 Jul 2025 808th janbehrens 🇩🇪 731 64 471ms 9 Nov 2021 808th dokutan 731 64 338ms 2 days ago 810th AlephSquirrel 731 81 14ms 8 Aug 2022 810th Program-Pi 731 81 16ms 10 days ago 812th jared-hughes 731 94 2ms 14 Mar 2022 812th KenanHanke 731 94 2ms 22 Feb 2023 814th snoozingnewt 🇨🇦 731 136 145ms 29 Sep 2025 815th primo-ppcg 🇹🇭 730 104 391ms 21 Nov 2021 815th Irratix 🇳🇱 730 104 385ms 13 Dec 2021 815th ericlangedijk 🇸🇮 730 104 448ms 17 Mar 2022 815th CaedenHarper 🇨🇦 730 104 381ms 5 Nov 2025 819th Shanethegamer 🇺🇸 729 104 14ms 17 Dec 2023 820th dokutan 729 109 129ms 18 Nov 2025 821st MeWhenI 🇻🇦 728 68 1,782ms 28 Jan 2023 821st Feniske 🇫🇷 728 68 1,712ms 7 Nov 2023 823rd MeWhenI 🇻🇦 728 73 217ms 3 Aug 2024 824th neel11235813 728 77 451ms 15 Jan 2024 824th CaedenHarper 🇨🇦 728 77 649ms 14 Jul 2025 826th snoozingnewt 🇨🇦 728 84 91ms 22 Oct 2025 827th DialFrost 🇸🇬 728 91 23ms 31 Oct 2023 828th GrayJoKing 🇦🇺 728 113 459ms 28 Feb 2022 829th snoozingnewt 🇨🇦 727 105 38ms 1 Sep 2024 830th jerrandolph 727 162 290ms 3 Nov 2023 831st Yewzir 🇧🇪 726 90 43ms 14 Jan 2024 832nd Schmitt-Very-Cool 726 128 348ms 30 Sep 2025 833rd scpchicken 🇵🇼 726 137 156ms 19 May 2022 834th albanian-laundromat 724 190 1,460ms 18 Oct 2025 835th Shanethegamer 🇺🇸 723 57 105ms 27 Sep 2021 836th stefangimmillaro 723 82 312ms 27 Sep 2021 836th NewDefectus 🇮🇱 723 82 20ms 16 Dec 2021 836th CedricGebistorf 723 82 228ms 25 Feb 2022 836th aksyristos 723 82 198ms 12 Feb 2023 836th quimey 723 82 219ms 22 Mar 2023 836th StefanHabel 🇨🇦 723 82 301ms 26 Mar 2023 836th Fracture17 723 82 268ms 8 Apr 2023 836th Re-Adventures 🇮🇳 723 82 216ms 20 Jul 2023 836th Natanaelel 🇸🇪 723 82 217ms 29 Oct 2023 836th codingisgreatbutiamnot 723 82 300ms 25 Jul 2024 836th klixel 🇨🇦 723 82 300ms 17 Jan 2025 836th blaztoma 🇱🇹 723 82 267ms 15 Nov 2025 836th CommandLeo 🇮🇹 723 82 300ms 3 Dec 2025 836th luuumine 🇫🇷 723 82 305ms 4 Dec 2025 836th FortuiteMan 🇫🇷 723 82 296ms 5 Dec 2025 836th FoxInTheClouds 723 82 218ms 13 Feb 2026 852nd AlephSquirrel 723 95 2ms 8 Jun 2023 853rd arctouch-cristiannevianna 723 105 432ms 26 May 2023 853rd annaproxy 723 105 452ms 11 Apr 2025 855th randolchance 722 82 10ms 11 Jan 2023 855th Protothor 722 82 19ms 17 days ago 857th snoozingnewt 🇨🇦 722 105 127ms 3 Oct 2025 858th annaproxy 721 105 27ms 8 Jan 2023 859th Shanethegamer 🇺🇸 721 121 36ms 15 Dec 2022 860th MeWhenI 🇻🇦 720 118 41ms 13 Feb 2025 861st GolfingSuccess 🇬🇷 719 112 4ms 11 Sep 2022 862nd Shanethegamer 🇺🇸 718 74 178ms 19 Aug 2024 863rd RockOfStone 718 106 2ms 4 Nov 2021 864th targrik 718 164 281ms 30 Jun 2025 865th dcgjb 717 69 1,148ms 6 May 2024 866th prplz 🇦🇺 715 42 239ms 27 Sep 2021 867th neihousaigaai 715 83 20ms 3 Jan 2022 867th cesarm4 715 83 181ms 16 Apr 2022 867th nstearns96 🇬🇧 715 83 245ms 27 Jan 2023 867th randolchance 715 83 20ms 16 Feb 2023 867th galloj 🇨🇿 715 83 3,418ms 5 Mar 2023 867th yzhs 🇩🇪 715 83 236ms 23 Jun 2023 867th m42km 715 83 312ms 12 Oct 2023 874th janbehrens 🇩🇪 715 115 472ms 23 Mar 2022 875th emgordon154 714 100 13ms 27 Dec 2024 876th lynn 714 106 35ms 16 Nov 2021 877th tayloia 🇬🇧 713 83 12ms 11 May 2023 877th acollett89 713 83 12ms 4 Aug 2025 877th CaedenHarper 🇨🇦 713 83 15ms 15 Sep 2025 880th Yewzir 🇧🇪 713 113 3ms 13 Jan 2024 First Prev 801–880 of 2,079 Next Last