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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 Bytes Time Submitted 800th error256 798 119 62ms 22 Feb 2026 802nd emplv 🇱🇻 798 148 24ms 29 Jun 2022 803rd MeWhenI 🇻🇦 797 110 39ms 17 Feb 2023 804th namelessiw 797 118 514ms 6 Oct 2025 805th Shanethegamer 🇺🇸 796 60 105ms 19 Sep 2021 805th adoxography 796 60 41ms 18 Dec 2021 805th jared-hughes 796 60 38ms 9 Sep 2022 805th Lv0Sys 🇵🇱 796 60 38ms 5 Dec 2025 809th SirBogman 🇺🇸 795 48 260ms 4 Nov 2021 809th SirFireball3521 795 48 276ms 21 Mar 2023 811th Waffle3z 795 88 22ms 19 Sep 2021 811th TaserTheFox 🇺🇸 795 88 19ms 28 Feb 2023 811th tobyLovick 795 88 20ms 12 Dec 2023 811th Dataen 795 88 414ms 12 Jan 2024 811th yuchuehw 795 88 22ms 28 Jan 2024 811th Masttest 795 88 22ms 13 Feb 2024 811th dirckvdende 795 88 414ms 2 Aug 2025 818th sisyphus-ppcg 🇦🇺 795 96 14ms 7 Apr 2022 818th DialFrost 🇸🇬 795 96 18ms 31 Oct 2024 818th sean-niemann 🇺🇸 795 96 21ms 9 Apr 2025 818th edsrzf 🇳🇿 795 96 12ms 26 Jul 2025 822nd Shanethegamer 🇺🇸 795 97 431ms 20 Jun 2022 822nd billings7 🇬🇧 795 97 455ms 21 May 2024 822nd Yax42 🇫🇷 795 97 447ms 7 Jan 2026 825th NewDefectus 🇮🇱 794 88 2ms 16 Dec 2021 826th emgordon154 794 102 11ms 25 hours ago 827th mousetail 🇳🇱 793 55 19ms 15 Jan 2024 828th albanian-laundromat 🇺🇸 793 149 27ms 28 Dec 2025 829th MeWhenI 🇻🇦 792 73 144ms 3 Aug 2024 830th steffan-polygolf 792 103 125ms 19 Feb 2024 831st janbehrens 🇩🇪 791 120 64ms 20 Nov 2022 831st oceko 791 120 60ms 19 Feb 2024 833rd fuzzylojik-golf 🇺🇸 789 107 4ms 27 Mar 2026 834th vang1ong7ang 788 34 74ms 2 hours ago 835th albanian-laundromat 🇺🇸 788 85 468ms 4 Dec 2025 836th Shanethegamer 🇺🇸 787 61 407ms 9 Mar 2023 837th NickTheEASDude 🇺🇸 787 97 18ms 9 May 2024 838th MeWhenI 🇻🇦 787 105 440ms 17 Aug 2023 839th TimHuisman1703 786 89 306ms 7 Jan 2022 839th Anonymousellama21 786 89 2,878ms 27 Jun 2022 839th yourlefthandman 786 89 294ms 17 Aug 2023 839th msbranicky 786 89 283ms 5 Oct 2023 839th luyckxrobbe 786 89 23ms 20 Nov 2023 839th rollershutter 786 89 296ms 2 Jul 2024 839th Mabeloid 🇳🇴 786 89 13ms 18 Sep 2024 839th jatloe 786 89 289ms 27 Sep 2024 847th ian-h-chamberlain 🇺🇸 786 127 134ms 4 Dec 2025 848th ListeriaM 785 89 2ms 25 Aug 2023 849th snoozingnewt 🇨🇦 784 102 155ms 13 Sep 2025 850th prestosilver 🇺🇸 784 104 170ms 17 Mar 2026 851st Shanethegamer 🇺🇸 782 74 146ms 19 Aug 2024 852nd dokutan 782 93 3ms 13 Mar 2026 853rd KenanSi 781 32 6ms 24 Feb 2022 853rd ashtraypettingzoo 🇺🇸 781 32 6ms 5 Apr 2023 855th aposteriorist 🇨🇦 780 106 452ms 5 Mar 2022 856th prplz 🇦🇺 779 49 240ms 27 Sep 2021 857th Andrey2001 779 86 393ms 28 Jan 2026 858th frosster 🇨🇦 779 98 20ms 11 Feb 2026 859th DialFrost 🇸🇬 779 104 9ms 10 Mar 2026 860th Re-Adventures 🇮🇳 778 122 59ms 14 Aug 2022 861st DialFrost 🇸🇬 778 127 115ms 29 Nov 2025 862nd 2011-Chan-Ethan 777 90 319ms 12 Jul 2023 862nd inverseLorentz 🇦🇺 777 90 377ms 3 May 2024 864th snoozingnewt 🇨🇦 777 105 139ms 3 Oct 2025 865th yzhs 🇩🇪 776 39 36ms 21 Jun 2022 866th prplz 🇦🇺 776 64 1,568ms 20 Sep 2021 867th solisolu 776 90 5ms 2 days ago 868th ovs-code 🇩🇪 774 127 27ms 26 Dec 2022 869th DialFrost 🇸🇬 774 129 145ms 5 Apr 2025 870th Shanethegamer 🇺🇸 772 93 14ms 8 Apr 2024 871st snoozingnewt 🇨🇦 772 128 99ms 12 days ago 872nd jared-hughes 771 77 11ms 14 Mar 2022 872nd Re-Adventures 🇮🇳 771 77 11ms 14 Aug 2022 872nd lyphyser 771 77 12ms 3 Jun 2023 872nd helbling 🇨🇭 771 77 15ms 4 Jul 2024 876th KatieLG 🇬🇧 771 111 167ms 14 Jan 2023 877th FlyingPenguin223 770 62 59ms 16 Nov 2023 877th Babafaba 770 62 40ms 15 Oct 2025 879th snoozingnewt 🇨🇦 770 92 2,394ms 27 Sep 2025 880th emgordon154 770 146 19ms 10 Jun 2025 First Prev 801–880 of 2,207 Next Last