Happy Numbers (Long) in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 750th dokutan 795 118 59ms 10 days ago 752nd mousetail 🇳🇱 794 55 20ms 15 Jan 2024 753rd NewDefectus 🇮🇱 794 88 2ms 16 Dec 2021 754th Shanethegamer 🇺🇸 794 97 401ms 20 Jun 2022 754th billings7 🇬🇧 794 97 387ms 21 May 2024 756th MeWhenI 🇻🇦 793 73 133ms 3 Aug 2024 757th steffan-polygolf 789 103 122ms 19 Feb 2024 758th Herbert00709 🇵🇱 789 119 55ms 4 Sep 2024 759th gnuvince 788 33 36ms 2 Aug 2024 759th codereport 🇨🇦 788 33 6ms 21 Apr 2025 761st NickTheEASDude 🇺🇸 788 97 12ms 9 May 2024 762nd Shanethegamer 🇺🇸 787 61 532ms 9 Mar 2023 763rd TimHuisman1703 786 89 219ms 7 Jan 2022 763rd Anonymousellama21 786 89 2,472ms 27 Jun 2022 763rd yourlefthandman 786 89 269ms 17 Aug 2023 763rd msbranicky 786 89 261ms 5 Oct 2023 763rd luyckxrobbe 786 89 21ms 20 Nov 2023 763rd madex 🇩🇪 786 89 13ms 13 Jun 2024 763rd rollershutter 786 89 292ms 2 Jul 2024 763rd Mabeloid 🇳🇴 786 89 12ms 18 Sep 2024 763rd jatloe 786 89 287ms 27 Sep 2024 763rd Lv0Sys 🇵🇱 786 89 23ms 30 May 2025 773rd MeWhenI 🇻🇦 786 105 457ms 17 Aug 2023 774th ListeriaM 785 89 2ms 25 Aug 2023 775th snoozingnewt 🇺🇸 784 102 96ms 13 Sep 2025 776th edsrzf 🇳🇿 784 109 40ms 1 Jan 2025 777th Shanethegamer 🇺🇸 782 74 138ms 19 Aug 2024 778th janbehrens 🇩🇪 782 120 55ms 20 Nov 2022 778th oceko 782 120 56ms 19 Feb 2024 780th DialFrost 🇸🇬 781 112 44ms 30 Mar 2025 781st yzhs 🇩🇪 779 39 39ms 21 Jun 2022 782nd SirBogman 🇺🇸 779 48 250ms 4 Nov 2021 782nd SirFireball3521 779 48 239ms 21 Mar 2023 784th albanian-laundromat 779 86 589ms 7 Oct 2025 785th aposteriorist 🇨🇦 779 106 481ms 5 Mar 2022 786th prplz 🇦🇺 777 64 1,042ms 20 Sep 2021 787th 2011-Chan-Ethan 777 90 317ms 12 Jul 2023 787th inverseLorentz 🇦🇺 777 90 282ms 3 May 2024 789th snoozingnewt 🇺🇸 774 105 132ms 3 Oct 2025 790th DialFrost 🇸🇬 773 129 144ms 5 Apr 2025 791st Shanethegamer 🇺🇸 772 93 14ms 8 Apr 2024 792nd ovs-code 🇩🇪 772 127 27ms 26 Dec 2022 793rd FlyingPenguin223 771 62 53ms 16 Nov 2023 793rd Babafaba 771 62 51ms 15 Oct 2025 795th jared-hughes 771 77 12ms 14 Mar 2022 795th Re-Adventures 🇮🇳 771 77 10ms 14 Aug 2022 795th lyphyser 771 77 13ms 3 Jun 2023 795th helbling 🇨🇭 771 77 10ms 4 Jul 2024 799th KatieLG 🇬🇧 771 111 140ms 14 Jan 2023 800th hjcafaroUC 769 91 21ms 26 Oct 2021 800th adoxography 769 91 22ms 18 Dec 2021 800th j-Ewan 769 91 20ms 16 Feb 2022 800th MaxElf999 769 91 21ms 29 Sep 2022 800th AlexanderFair 769 91 23ms 13 Jul 2023 800th chartung17 769 91 20ms 14 Jan 2024 800th NerdyMcNerd42 769 91 13ms 22 Mar 2024 807th Re-Adventures 🇮🇳 769 122 57ms 14 Aug 2022 808th emgordon154 769 146 12ms 10 Jun 2025 809th NewDefectus 🇮🇱 768 64 53ms 21 Sep 2021 810th prplz 🇦🇺 768 91 2ms 19 Dec 2021 811th snoozingnewt 🇺🇸 768 92 3,159ms 27 Sep 2025 812th MeWhenI 🇻🇦 766 244 16ms 28 Aug 2023 813th strout 765 89 193ms 15 Aug 2022 814th kTheLemon 765 100 2ms 2 Apr 2025 815th janbehrens 🇩🇪 765 165 30ms 20 Sep 2021 816th jared-hughes 764 123 324ms 24 Sep 2025 816th Babafaba 764 123 341ms 14 Oct 2025 818th UnderKoen 🇳🇱 764 147 24ms 20 Apr 2023 819th prplz 🇦🇺 763 49 193ms 27 Sep 2021 820th DialFrost 🇸🇬 763 112 43ms 13 Feb 2025 821st shawphy 761 78 16ms 12 Oct 2021 822nd Yewzir 🇧🇪 761 166 27ms 14 Jan 2024 823rd Indivicivet 760 92 300ms 26 Oct 2021 823rd nullie 760 92 19ms 8 Jun 2022 823rd FortuiteMan 🇫🇷 760 92 20ms 10 Sep 2023 First Prev 751–825 of 1,996 Next Last