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 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 Calendar 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 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 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 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 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 Calendar 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 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 593rd dokutan 833 84 257ms 24 Dec 2024 602nd h3ra993huskp 🇯🇵 832 113 340ms 4 days ago 603rd prplz 🇦🇺 831 103 115ms 18 Dec 2021 603rd dokutan 831 103 81ms 27 days ago 605th MeWhenI 🇻🇦 831 113 56ms 29 Nov 2022 606th Shanethegamer 🇺🇸 831 120 116ms 13 Jan 2022 606th MeWhenI 🇻🇦 831 120 124ms 9 May 2023 606th emgordon154 831 120 130ms 14 Mar 2025 609th ovs-code 🇩🇪 831 166 479ms 29 Mar 2025 609th emgordon154 831 166 432ms 21 May 2025 611th inventshah 829 60 1,055ms 29 Sep 2023 611th emgordon154 829 60 821ms 18 Nov 2024 613th albanian-laundromat 829 96 163ms 20 days ago 614th m42km 827 81 562ms 4 Feb 2024 614th Babafaba 827 81 610ms 3 Nov 2025 616th IanUtley 827 92 2,995ms 24 Oct 2023 617th sean-niemann 🇺🇸 827 106 43ms 21 Apr 2023 618th inventshah 826 98 543ms 10 Sep 2022 618th MeWhenI 🇻🇦 826 98 12ms 16 Aug 2023 620th neihousaigaai 825 72 10ms 2 Oct 2021 620th stefangimmillaro 825 72 14ms 29 Sep 2023 620th two-bad 🇬🇧 825 72 14ms 25 Feb 2024 620th KrausRaus 🇺🇸 825 72 14ms 14 Oct 2025 624th MeWhenI 🇻🇦 824 53 151ms 19 Sep 2021 624th GrayJoKing 🇦🇺 824 53 86ms 20 Sep 2021 624th sean-niemann 🇺🇸 824 53 161ms 20 Sep 2021 624th scpchicken 🇵🇼 824 53 141ms 19 Dec 2022 624th Steffan153 🇫🇮 824 53 172ms 27 Jan 2023 624th DialFrost 🇸🇬 824 53 160ms 28 Jan 2023 624th snoozingnewt 🇨🇦 824 53 192ms 1 Sep 2024 624th fuzzylojik-golf 🇺🇸 824 53 102ms 15 Sep 2025 624th blaztoma 🇱🇹 824 53 137ms 11 days ago 633rd Waffle3z 824 58 103ms 19 Sep 2021 633rd emgordon154 824 58 57ms 12 Dec 2021 633rd jbbarth 🇫🇷 824 58 39ms 5 Nov 2022 636th Shanethegamer 🇺🇸 824 88 2ms 15 days ago 637th Shanethegamer 🇺🇸 824 114 56ms 18 Dec 2022 637th Yewzir 🇧🇪 824 114 55ms 14 Jan 2024 639th andersk 🇺🇸 824 121 127ms 31 Oct 2022 640th Fishron 823 85 253ms 21 Oct 2021 640th aposteriorist 🇨🇦 823 85 21ms 6 Feb 2022 640th TFeld00 🇩🇰 823 85 364ms 22 Apr 2022 640th Ailko 🇧🇪 823 85 73ms 5 May 2022 640th tkr-sh 🇰🇵 823 85 18ms 17 May 2022 640th 051 🇸🇬 823 85 21ms 19 Aug 2022 640th trist224 🇫🇷 823 85 67ms 18 Oct 2022 640th Ripick 823 85 20ms 1 Feb 2023 640th jmerle 🇳🇱 823 85 298ms 16 Feb 2023 640th fkantelberg 823 85 19ms 7 Aug 2023 640th minhtrancccp 823 85 62ms 1 Nov 2023 640th wen1now 823 85 22ms 6 Nov 2023 640th elgan65536 823 85 19ms 28 Nov 2023 640th stertooy 🇧🇪 823 85 20ms 14 Jun 2024 640th FranklinJiaChen 823 85 190ms 5 Aug 2024 640th keelimeguy 🇺🇸 823 85 249ms 17 May 2025 640th KasperKivimaeki 🇫🇮 823 85 20ms 2 Jul 2025 640th albanian-laundromat 823 85 21ms 14 days ago 658th sean-niemann 🇺🇸 822 86 2,911ms 30 Oct 2024 659th jared-hughes 821 83 148ms 11 Sep 2023 660th Shanethegamer 🇺🇸 821 168 468ms 27 Mar 2025 661st AdrienHache 🇫🇷 820 94 378ms 2 Jun 2023 662nd Yewzir 🇧🇪 819 107 42ms 14 Jan 2024 663rd snoozingnewt 🇨🇦 817 66 13ms 1 Sep 2024 663rd LostSyntax21 🇬🇧 817 66 4ms 8 Jan 2025 665th dokutan 817 82 592ms 24 Dec 2024 666th Shanethegamer 🇺🇸 817 101 481ms 13 Apr 2023 666th emgordon154 817 101 461ms 26 May 2025 668th m-tkach 🇺🇦 817 120 28ms 18 Dec 2023 669th Mabeloid 🇳🇴 817 122 124ms 31 Oct 2025 669th CaedenHarper 🇨🇦 817 122 120ms 2 days ago 671st edsrzf 🇳🇿 816 88 11ms 7 Jun 2025 672nd Natanaelel 🇸🇪 815 33 66ms 22 Jul 2022 672nd SirBogman 🇺🇸 815 33 71ms 10 Sep 2022 674th snoozingnewt 🇨🇦 815 105 79ms 30 Sep 2025 675th kimbo 🇺🇸 815 146 266ms 12 Jan 2023 First Prev 601–675 of 2,022 Next Last