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 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 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 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 599th fredrik-bakke 🇳🇴 833 84 302ms 2 Oct 2022 599th jakobkordez 🇸🇮 833 84 20ms 30 Oct 2022 599th thehylian 833 84 19ms 2 Jan 2023 599th badboj40 833 84 293ms 12 Feb 2023 599th firegene 🇮🇪 833 84 20ms 22 Dec 2023 599th moustave 833 84 166ms 26 Nov 2024 599th dokutan 833 84 243ms 24 Dec 2024 608th h3ra993huskp 🇯🇵 832 113 442ms 10 days ago 609th prplz 🇦🇺 831 103 122ms 18 Dec 2021 609th dokutan 831 103 81ms 6 Nov 2025 611th Shanethegamer 🇺🇸 831 114 57ms 18 Dec 2022 611th Yewzir 🇧🇪 831 114 57ms 14 Jan 2024 613th Shanethegamer 🇺🇸 831 120 150ms 13 Jan 2022 613th MeWhenI 🇻🇦 831 120 150ms 9 May 2023 613th emgordon154 831 120 147ms 14 Mar 2025 616th ovs-code 🇩🇪 831 166 434ms 29 Mar 2025 616th emgordon154 831 166 432ms 21 May 2025 618th inventshah 829 60 1,055ms 29 Sep 2023 618th emgordon154 829 60 821ms 18 Nov 2024 620th albanian-laundromat 829 96 163ms 26 days ago 621st m42km 827 81 536ms 4 Feb 2024 621st Babafaba 827 81 565ms 3 Nov 2025 623rd IanUtley 827 92 2,995ms 24 Oct 2023 624th sean-niemann 🇺🇸 827 106 40ms 21 Apr 2023 625th inventshah 826 98 538ms 10 Sep 2022 625th MeWhenI 🇻🇦 826 98 12ms 16 Aug 2023 627th neihousaigaai 825 72 10ms 2 Oct 2021 627th stefangimmillaro 825 72 14ms 29 Sep 2023 627th two-bad 🇬🇧 825 72 13ms 25 Feb 2024 627th KrausRaus 🇺🇸 825 72 13ms 14 Oct 2025 627th Lv0Sys 🇵🇱 825 72 11ms 4 days ago 632nd MeWhenI 🇻🇦 824 53 141ms 19 Sep 2021 632nd GrayJoKing 🇦🇺 824 53 76ms 20 Sep 2021 632nd sean-niemann 🇺🇸 824 53 142ms 20 Sep 2021 632nd scpchicken 🇵🇼 824 53 143ms 19 Dec 2022 632nd Steffan153 🇫🇮 824 53 141ms 27 Jan 2023 632nd DialFrost 🇸🇬 824 53 146ms 28 Jan 2023 632nd snoozingnewt 🇨🇦 824 53 141ms 1 Sep 2024 632nd fuzzylojik-golf 🇺🇸 824 53 95ms 15 Sep 2025 632nd blaztoma 🇱🇹 824 53 141ms 17 days ago 641st Waffle3z 824 58 91ms 19 Sep 2021 641st emgordon154 824 58 34ms 12 Dec 2021 641st jbbarth 🇫🇷 824 58 34ms 5 Nov 2022 644th Shanethegamer 🇺🇸 824 88 2ms 21 days ago 645th andersk 🇺🇸 824 121 260ms 31 Oct 2022 646th Fishron 823 85 245ms 21 Oct 2021 646th aposteriorist 🇨🇦 823 85 20ms 6 Feb 2022 646th TFeld00 🇩🇰 823 85 364ms 22 Apr 2022 646th Ailko 🇧🇪 823 85 68ms 5 May 2022 646th tkr-sh 🇰🇵 823 85 20ms 17 May 2022 646th 051 🇸🇬 823 85 19ms 19 Aug 2022 646th trist224 🇫🇷 823 85 66ms 18 Oct 2022 646th Ripick 823 85 19ms 1 Feb 2023 646th jmerle 🇳🇱 823 85 293ms 16 Feb 2023 646th fkantelberg 823 85 19ms 7 Aug 2023 646th minhtrancccp 823 85 58ms 1 Nov 2023 646th wen1now 823 85 19ms 6 Nov 2023 646th elgan65536 823 85 20ms 28 Nov 2023 646th stertooy 🇧🇪 823 85 19ms 14 Jun 2024 646th FranklinJiaChen 823 85 192ms 5 Aug 2024 646th keelimeguy 🇺🇸 823 85 234ms 17 May 2025 646th KasperKivimaeki 🇫🇮 823 85 20ms 2 Jul 2025 646th albanian-laundromat 823 85 27ms 20 days ago 646th Lv0Sys 🇵🇱 823 85 28ms 4 days ago 665th sean-niemann 🇺🇸 822 86 2,830ms 30 Oct 2024 666th jared-hughes 821 83 126ms 11 Sep 2023 667th Shanethegamer 🇺🇸 821 168 468ms 27 Mar 2025 668th AdrienHache 🇫🇷 820 94 368ms 2 Jun 2023 669th Yewzir 🇧🇪 819 107 40ms 14 Jan 2024 670th Shanethegamer 🇺🇸 818 101 458ms 13 Apr 2023 670th emgordon154 818 101 461ms 26 May 2025 672nd snoozingnewt 🇨🇦 817 66 13ms 1 Sep 2024 672nd LostSyntax21 🇬🇧 817 66 4ms 8 Jan 2025 674th dokutan 817 82 568ms 24 Dec 2024 675th snyderek 🇺🇸 817 116 54ms 6 Oct 2024 First Prev 601–675 of 2,034 Next Last