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 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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 799th ericlangedijk 🇸🇮 730 104 453ms 17 Mar 2022 799th CaedenHarper 🇨🇦 730 104 386ms 5 Nov 2025 803rd dokutan 729 109 111ms 18 Nov 2025 804th MeWhenI 🇻🇦 728 68 1,812ms 28 Jan 2023 804th Feniske 🇫🇷 728 68 1,666ms 7 Nov 2023 806th MeWhenI 🇻🇦 728 73 132ms 3 Aug 2024 807th neel11235813 728 77 451ms 15 Jan 2024 807th CaedenHarper 🇨🇦 728 77 649ms 14 Jul 2025 809th snoozingnewt 🇨🇦 728 84 93ms 22 Oct 2025 810th DialFrost 🇸🇬 728 91 23ms 31 Oct 2023 811th Shanethegamer 🇺🇸 728 104 15ms 17 Dec 2023 812th GrayJoKing 🇦🇺 728 113 485ms 28 Feb 2022 813th snoozingnewt 🇨🇦 727 105 38ms 1 Sep 2024 814th jerrandolph 727 162 293ms 3 Nov 2023 815th Yewzir 🇧🇪 726 90 37ms 14 Jan 2024 816th DialFrost 🇸🇬 726 111 4ms 26 days ago 817th Schmitt-Very-Cool 725 128 348ms 30 Sep 2025 818th scpchicken 🇵🇼 725 137 158ms 19 May 2022 819th albanian-laundromat 724 190 1,612ms 18 Oct 2025 820th Shanethegamer 🇺🇸 723 57 107ms 27 Sep 2021 821st stefangimmillaro 723 82 312ms 27 Sep 2021 821st NewDefectus 🇮🇱 723 82 22ms 16 Dec 2021 821st CedricGebistorf 723 82 229ms 25 Feb 2022 821st aksyristos 723 82 198ms 12 Feb 2023 821st quimey 723 82 219ms 22 Mar 2023 821st StefanHabel 🇨🇦 723 82 315ms 26 Mar 2023 821st Fracture17 723 82 268ms 8 Apr 2023 821st Re-Adventures 🇮🇳 723 82 216ms 20 Jul 2023 821st Natanaelel 🇸🇪 723 82 217ms 29 Oct 2023 821st codingisgreatbutiamnot 723 82 300ms 25 Jul 2024 821st klixel 🇨🇦 723 82 300ms 17 Jan 2025 821st blaztoma 🇱🇹 723 82 269ms 15 Nov 2025 821st CommandLeo 🇮🇹 723 82 300ms 3 Dec 2025 821st luuumine 🇫🇷 723 82 312ms 4 Dec 2025 821st FortuiteMan 🇫🇷 723 82 310ms 5 Dec 2025 821st FoxInTheClouds 723 82 218ms 5 days ago 837th AlephSquirrel 723 95 2ms 8 Jun 2023 838th arctouch-cristiannevianna 723 105 425ms 26 May 2023 838th annaproxy 723 105 454ms 11 Apr 2025 840th randolchance 722 82 10ms 11 Jan 2023 841st annaproxy 721 105 25ms 8 Jan 2023 841st snoozingnewt 🇨🇦 721 105 130ms 3 Oct 2025 843rd Shanethegamer 🇺🇸 721 121 36ms 15 Dec 2022 844th MeWhenI 🇻🇦 720 118 41ms 13 Feb 2025 845th GolfingSuccess 🇬🇷 719 112 4ms 11 Sep 2022 846th Shanethegamer 🇺🇸 718 74 161ms 19 Aug 2024 847th RockOfStone 718 106 2ms 4 Nov 2021 848th targrik 718 164 272ms 30 Jun 2025 849th dcgjb 717 69 1,081ms 6 May 2024 850th prplz 🇦🇺 715 42 211ms 27 Sep 2021 851st neihousaigaai 715 83 21ms 3 Jan 2022 851st cesarm4 715 83 198ms 16 Apr 2022 851st nstearns96 🇬🇧 715 83 245ms 27 Jan 2023 851st randolchance 715 83 20ms 16 Feb 2023 851st galloj 🇨🇿 715 83 3,506ms 5 Mar 2023 851st yzhs 🇩🇪 715 83 238ms 23 Jun 2023 851st m42km 715 83 312ms 12 Oct 2023 858th janbehrens 🇩🇪 715 115 479ms 23 Mar 2022 859th emgordon154 714 100 14ms 27 Dec 2024 860th lynn 714 106 33ms 16 Nov 2021 861st tayloia 🇬🇧 713 83 18ms 11 May 2023 861st acollett89 713 83 13ms 4 Aug 2025 861st CaedenHarper 🇨🇦 713 83 14ms 15 Sep 2025 864th Yewzir 🇧🇪 713 113 3ms 13 Jan 2024 865th MeWhenI 🇻🇦 712 93 18ms 2 Oct 2022 866th Waffle3z 710 58 96ms 19 Sep 2021 866th emgordon154 710 58 44ms 12 Dec 2021 866th jbbarth 🇫🇷 710 58 38ms 5 Nov 2022 869th MeWhenI 🇻🇦 709 79 569ms 17 Jan 2024 869th namelessiw 709 79 575ms 14 Jul 2024 871st akamayu-ouo 🇹🇼 708 35 5ms 30 Jul 2024 872nd GolfingSuccess 🇬🇷 708 97 3ms 19 Mar 2025 872nd dokutan 708 97 6ms 8 Nov 2025 874th Bonjour27891 🇻🇳 706 84 69ms 9 Feb 2022 874th RDShah 706 84 333ms 11 May 2022 874th thehylian 706 84 20ms 2 Jan 2023 874th badboj40 706 84 306ms 12 Feb 2023 874th firegene 🇮🇪 706 84 21ms 22 Dec 2023 874th HumanoidCPU 706 84 24ms 23 Jun 2024 874th moustave 706 84 179ms 26 Nov 2024 First Prev 801–880 of 2,057 Next Last