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 800th Irratix 🇳🇱 730 104 404ms 13 Dec 2021 800th ericlangedijk 🇸🇮 730 104 453ms 17 Mar 2022 800th CaedenHarper 🇨🇦 730 104 386ms 5 Nov 2025 804th dokutan 729 109 111ms 18 Nov 2025 805th MeWhenI 🇻🇦 728 68 1,776ms 28 Jan 2023 805th Feniske 🇫🇷 728 68 1,666ms 7 Nov 2023 807th MeWhenI 🇻🇦 728 73 132ms 3 Aug 2024 808th neel11235813 728 77 451ms 15 Jan 2024 808th CaedenHarper 🇨🇦 728 77 649ms 14 Jul 2025 810th snoozingnewt 🇨🇦 728 84 90ms 22 Oct 2025 811th DialFrost 🇸🇬 728 91 23ms 31 Oct 2023 812th Shanethegamer 🇺🇸 728 104 15ms 17 Dec 2023 813th GrayJoKing 🇦🇺 728 113 459ms 28 Feb 2022 814th snoozingnewt 🇨🇦 727 105 38ms 1 Sep 2024 815th jerrandolph 727 162 293ms 3 Nov 2023 816th Yewzir 🇧🇪 726 90 37ms 14 Jan 2024 817th DialFrost 🇸🇬 726 111 4ms 23 Jan 2026 818th Schmitt-Very-Cool 725 128 348ms 30 Sep 2025 819th scpchicken 🇵🇼 725 137 158ms 19 May 2022 820th Shanethegamer 🇺🇸 725 168 24ms 20 Sep 2021 821st albanian-laundromat 724 190 1,612ms 18 Oct 2025 822nd Shanethegamer 🇺🇸 723 57 105ms 27 Sep 2021 823rd stefangimmillaro 723 82 312ms 27 Sep 2021 823rd NewDefectus 🇮🇱 723 82 20ms 16 Dec 2021 823rd CedricGebistorf 723 82 228ms 25 Feb 2022 823rd aksyristos 723 82 198ms 12 Feb 2023 823rd quimey 723 82 219ms 22 Mar 2023 823rd StefanHabel 🇨🇦 723 82 301ms 26 Mar 2023 823rd Fracture17 723 82 268ms 8 Apr 2023 823rd Re-Adventures 🇮🇳 723 82 216ms 20 Jul 2023 823rd Natanaelel 🇸🇪 723 82 217ms 29 Oct 2023 823rd codingisgreatbutiamnot 723 82 300ms 25 Jul 2024 823rd klixel 🇨🇦 723 82 300ms 17 Jan 2025 823rd blaztoma 🇱🇹 723 82 267ms 15 Nov 2025 823rd CommandLeo 🇮🇹 723 82 300ms 3 Dec 2025 823rd luuumine 🇫🇷 723 82 305ms 4 Dec 2025 823rd FortuiteMan 🇫🇷 723 82 296ms 5 Dec 2025 823rd FoxInTheClouds 723 82 218ms 8 days ago 839th AlephSquirrel 723 95 2ms 8 Jun 2023 840th arctouch-cristiannevianna 723 105 425ms 26 May 2023 840th annaproxy 723 105 454ms 11 Apr 2025 842nd randolchance 722 82 13ms 11 Jan 2023 843rd annaproxy 721 105 27ms 8 Jan 2023 843rd snoozingnewt 🇨🇦 721 105 130ms 3 Oct 2025 845th Shanethegamer 🇺🇸 721 121 36ms 15 Dec 2022 846th MeWhenI 🇻🇦 720 118 41ms 13 Feb 2025 847th GolfingSuccess 🇬🇷 719 112 4ms 11 Sep 2022 848th Shanethegamer 🇺🇸 718 74 161ms 19 Aug 2024 849th RockOfStone 718 106 2ms 4 Nov 2021 850th targrik 718 164 272ms 30 Jun 2025 851st dcgjb 717 69 1,081ms 6 May 2024 852nd prplz 🇦🇺 715 42 211ms 27 Sep 2021 853rd neihousaigaai 715 83 20ms 3 Jan 2022 853rd cesarm4 715 83 181ms 16 Apr 2022 853rd nstearns96 🇬🇧 715 83 245ms 27 Jan 2023 853rd randolchance 715 83 20ms 16 Feb 2023 853rd galloj 🇨🇿 715 83 3,418ms 5 Mar 2023 853rd yzhs 🇩🇪 715 83 236ms 23 Jun 2023 853rd m42km 715 83 312ms 12 Oct 2023 860th janbehrens 🇩🇪 715 115 472ms 23 Mar 2022 861st emgordon154 714 100 13ms 27 Dec 2024 862nd lynn 714 106 35ms 16 Nov 2021 863rd tayloia 🇬🇧 713 83 13ms 11 May 2023 863rd acollett89 713 83 11ms 4 Aug 2025 863rd CaedenHarper 🇨🇦 713 83 17ms 15 Sep 2025 866th Yewzir 🇧🇪 713 113 3ms 13 Jan 2024 867th MeWhenI 🇻🇦 712 93 18ms 2 Oct 2022 868th Waffle3z 710 58 96ms 19 Sep 2021 868th emgordon154 710 58 42ms 12 Dec 2021 868th jbbarth 🇫🇷 710 58 38ms 5 Nov 2022 871st MeWhenI 🇻🇦 709 79 569ms 17 Jan 2024 871st namelessiw 709 79 575ms 14 Jul 2024 873rd akamayu-ouo 🇹🇼 708 35 5ms 30 Jul 2024 874th GolfingSuccess 🇬🇷 708 97 2ms 19 Mar 2025 874th dokutan 708 97 6ms 8 Nov 2025 876th Bonjour27891 🇻🇳 706 84 66ms 9 Feb 2022 876th RDShah 706 84 331ms 11 May 2022 876th thehylian 706 84 20ms 2 Jan 2023 876th badboj40 706 84 306ms 12 Feb 2023 876th firegene 🇮🇪 706 84 21ms 22 Dec 2023 First Prev 801–880 of 2,059 Next Last