Happy Numbers (Long) in all languages in bytes. 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 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 Multitap Input 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 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 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 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 Multitap Input 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 Bytes Time Submitted 800th Anonymousellama21 786 89 2,475ms 27 Jun 2022 800th yourlefthandman 786 89 277ms 17 Aug 2023 800th msbranicky 786 89 271ms 5 Oct 2023 800th luyckxrobbe 786 89 19ms 20 Nov 2023 800th madex 🇩🇪 786 89 13ms 13 Jun 2024 800th rollershutter 786 89 290ms 2 Jul 2024 800th Mabeloid 🇳🇴 786 89 12ms 18 Sep 2024 800th jatloe 786 89 321ms 27 Sep 2024 800th JOrE20 🇺🇸 786 89 19ms 4 Dec 2025 810th ListeriaM 785 89 2ms 25 Aug 2023 811th ian-h-chamberlain 🇺🇸 785 127 117ms 4 Dec 2025 812th snoozingnewt 🇨🇦 784 102 104ms 13 Sep 2025 813th Shanethegamer 🇺🇸 782 74 153ms 19 Aug 2024 814th aposteriorist 🇨🇦 780 106 460ms 5 Mar 2022 815th yzhs 🇩🇪 779 39 36ms 21 Jun 2022 816th SirBogman 🇺🇸 779 48 286ms 4 Nov 2021 816th SirFireball3521 779 48 263ms 21 Mar 2023 818th prplz 🇦🇺 777 64 1,042ms 20 Sep 2021 819th 2011-Chan-Ethan 777 90 310ms 12 Jul 2023 819th inverseLorentz 🇦🇺 777 90 305ms 3 May 2024 821st Re-Adventures 🇮🇳 777 122 59ms 14 Aug 2022 822nd snoozingnewt 🇨🇦 774 105 130ms 3 Oct 2025 823rd DialFrost 🇸🇬 773 129 139ms 5 Apr 2025 824th Shanethegamer 🇺🇸 772 93 13ms 8 Apr 2024 825th ovs-code 🇩🇪 772 127 28ms 26 Dec 2022 825th DialFrost 🇸🇬 772 127 94ms 29 Nov 2025 827th FlyingPenguin223 771 62 58ms 16 Nov 2023 827th Babafaba 771 62 37ms 15 Oct 2025 829th jared-hughes 771 77 12ms 14 Mar 2022 829th Re-Adventures 🇮🇳 771 77 14ms 14 Aug 2022 829th lyphyser 771 77 17ms 3 Jun 2023 829th helbling 🇨🇭 771 77 13ms 4 Jul 2024 833rd KatieLG 🇬🇧 771 111 135ms 14 Jan 2023 834th NewDefectus 🇮🇱 769 64 49ms 21 Sep 2021 835th hjcafaroUC 769 91 20ms 26 Oct 2021 835th adoxography 769 91 19ms 18 Dec 2021 835th j-Ewan 769 91 19ms 16 Feb 2022 835th MaxElf999 769 91 19ms 29 Sep 2022 835th AlexanderFair 769 91 18ms 13 Jul 2023 835th chartung17 769 91 20ms 14 Jan 2024 835th NerdyMcNerd42 769 91 13ms 22 Mar 2024 842nd emgordon154 769 146 18ms 10 Jun 2025 843rd prplz 🇦🇺 768 91 2ms 19 Dec 2021 844th snoozingnewt 🇨🇦 768 92 3,539ms 27 Sep 2025 845th janbehrens 🇩🇪 767 165 25ms 20 Sep 2021 846th strout 766 89 172ms 15 Aug 2022 847th MeWhenI 🇻🇦 766 244 16ms 28 Aug 2023 848th jared-hughes 765 123 428ms 24 Sep 2025 848th Babafaba 765 123 395ms 14 Oct 2025 850th kTheLemon 764 100 3ms 2 Apr 2025 851st UnderKoen 🇳🇱 764 147 34ms 20 Apr 2023 852nd prplz 🇦🇺 763 49 241ms 27 Sep 2021 853rd DialFrost 🇸🇬 763 112 41ms 13 Feb 2025 854th Yewzir 🇧🇪 762 166 25ms 14 Jan 2024 855th shawphy 761 78 13ms 12 Oct 2021 856th Indivicivet 760 92 316ms 26 Oct 2021 856th Irratix 🇳🇱 760 92 2ms 19 Dec 2021 856th nullie 760 92 19ms 8 Jun 2022 856th jbjd 760 92 19ms 23 Nov 2024 856th 5quiwyrm 760 92 242ms 25 Nov 2024 856th qpwoeirut 760 92 19ms 23 Nov 2025 862nd Shanethegamer 🇺🇸 760 93 3,428ms 27 Oct 2024 863rd Andriamanitra 🇫🇮 759 63 49ms 20 Jul 2022 864th Yewzir 🇧🇪 758 99 39ms 18 Dec 2024 865th Irratix 🇳🇱 757 90 141ms 24 Sep 2021 866th jared-hughes 757 101 2ms 17 Mar 2022 867th MeWhenI 🇻🇦 756 95 14ms 23 May 2023 868th Yewzir 🇧🇪 756 102 350ms 13 Jan 2024 869th prplz 🇦🇺 755 66 1,368ms 27 Sep 2021 869th DialFrost 🇸🇬 755 66 665ms 10 Oct 2024 871st yzhs 🇩🇪 754 66 989ms 5 Nov 2021 872nd emgordon154 754 130 107ms 4 Dec 2025 873rd msbranicky 753 89 732ms 17 Jan 2024 873rd Stockoh 🇫🇷 753 89 506ms 24 Jun 2024 873rd Mabeloid 🇳🇴 753 89 520ms 18 Sep 2024 876th Shanethegamer 🇺🇸 753 168 24ms 20 Sep 2021 877th emgordon154 752 77 134ms 7 Nov 2024 878th alasdair-greenland 752 79 25ms 10 Nov 2021 878th igmcdowell 752 79 11ms 11 Dec 2021 878th dylanarmstrong 752 79 13ms 24 Jan 2024 First Prev 801–880 of 2,057 Next Last