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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 641st Shanethegamer 🇺🇸 831 120 125ms 13 Jan 2022 641st MeWhenI 🇻🇦 831 120 129ms 9 May 2023 641st emgordon154 831 120 129ms 14 Mar 2025 644th prplz 🇦🇺 830 103 117ms 18 Dec 2021 644th dokutan 830 103 83ms 6 Nov 2025 646th ovs-code 🇩🇪 830 166 1,450ms 29 Mar 2025 646th emgordon154 830 166 1,402ms 21 May 2025 648th inventshah 827 60 1,340ms 29 Sep 2023 648th emgordon154 827 60 1,286ms 18 Nov 2024 650th m42km 827 81 624ms 4 Feb 2024 650th Babafaba 827 81 705ms 3 Nov 2025 652nd albanian-laundromat 827 96 187ms 13 Nov 2025 653rd IanUtley 826 92 3,106ms 24 Oct 2023 654th sean-niemann 🇺🇸 826 106 39ms 21 Apr 2023 655th Shanethegamer 🇺🇸 825 88 2ms 19 Nov 2025 655th DialFrost 🇸🇬 825 88 2ms 15 Dec 2025 657th Steffan153 🇫🇮 825 119 109ms 13 days ago 658th neihousaigaai 824 72 10ms 2 Oct 2021 658th stefangimmillaro 824 72 15ms 29 Sep 2023 658th two-bad 🇬🇧 824 72 15ms 25 Feb 2024 661st inventshah 824 98 538ms 10 Sep 2022 661st MeWhenI 🇻🇦 824 98 12ms 16 Aug 2023 663rd andersk 🇺🇸 824 121 124ms 31 Oct 2022 664th MeWhenI 🇻🇦 823 53 151ms 19 Sep 2021 664th GrayJoKing 🇦🇺 823 53 79ms 20 Sep 2021 664th sean-niemann 🇺🇸 823 53 148ms 20 Sep 2021 664th scpchicken 🇵🇼 823 53 150ms 19 Dec 2022 664th Steffan153 🇫🇮 823 53 160ms 27 Jan 2023 664th DialFrost 🇸🇬 823 53 138ms 28 Jan 2023 664th snoozingnewt 🇨🇦 823 53 143ms 1 Sep 2024 664th fuzzylojik-golf 🇺🇸 823 53 99ms 15 Sep 2025 664th blaztoma 🇱🇹 823 53 146ms 23 Nov 2025 673rd Waffle3z 823 58 96ms 19 Sep 2021 673rd emgordon154 823 58 42ms 12 Dec 2021 673rd jbbarth 🇫🇷 823 58 38ms 5 Nov 2022 676th Fishron 823 85 256ms 21 Oct 2021 676th aposteriorist 🇨🇦 823 85 20ms 6 Feb 2022 676th TFeld00 🇩🇰 823 85 363ms 22 Apr 2022 676th Ailko 🇧🇪 823 85 68ms 5 May 2022 676th tkr-sh 🇰🇵 823 85 20ms 17 May 2022 676th 051 🇸🇬 823 85 20ms 19 Aug 2022 676th trist224 🇫🇷 823 85 68ms 18 Oct 2022 676th Ripick 823 85 21ms 1 Feb 2023 676th jmerle 🇳🇱 823 85 298ms 16 Feb 2023 676th fkantelberg 823 85 21ms 7 Aug 2023 676th minhtrancccp 823 85 67ms 1 Nov 2023 676th wen1now 823 85 19ms 6 Nov 2023 676th elgan65536 🇺🇸 823 85 20ms 28 Nov 2023 676th stertooy 🇧🇪 823 85 21ms 14 Jun 2024 676th FranklinJiaChen 823 85 191ms 5 Aug 2024 676th keelimeguy 🇺🇸 823 85 232ms 17 May 2025 676th KasperKivimaeki 🇫🇮 823 85 20ms 2 Jul 2025 676th albanian-laundromat 823 85 21ms 20 Nov 2025 676th Lv0Sys 🇵🇱 823 85 19ms 5 Dec 2025 676th SectorCorruptor 823 85 292ms 8 Feb 2026 696th error256 823 102 11ms 28 mins ago 697th jared-hughes 820 83 126ms 11 Sep 2023 698th sean-niemann 🇺🇸 820 86 2,265ms 30 Oct 2024 699th emplv 🇱🇻 820 148 24ms 29 Jun 2022 700th Shanethegamer 🇺🇸 820 168 1,387ms 27 Mar 2025 701st AdrienHache 🇫🇷 819 94 462ms 2 Jun 2023 702nd Yewzir 🇧🇪 818 107 39ms 14 Jan 2024 703rd Shanethegamer 🇺🇸 817 101 436ms 13 Apr 2023 703rd emgordon154 817 101 469ms 26 May 2025 705th snyderek 🇺🇸 817 116 62ms 6 Oct 2024 706th m-tkach 🇺🇦 817 120 27ms 18 Dec 2023 707th Mabeloid 🇳🇴 817 122 127ms 31 Oct 2025 707th CaedenHarper 🇨🇦 817 122 120ms 1 Dec 2025 707th elgan65536 🇺🇸 817 122 125ms 7 Feb 2026 710th kimbo 🇺🇸 815 146 295ms 12 Jan 2023 711th albanian-laundromat 815 149 27ms 28 Dec 2025 712th edsrzf 🇳🇿 814 88 11ms 7 Jun 2025 713th snoozingnewt 🇨🇦 814 105 77ms 30 Sep 2025 714th janbehrens 🇩🇪 813 73 11ms 20 Sep 2021 714th didion0 🇺🇸 813 73 45ms 23 Nov 2021 714th KatieLG 🇬🇧 813 73 15ms 5 Apr 2022 714th emgordon154 813 73 11ms 7 Nov 2024 718th andre-lameirinhas 🇵🇹 813 86 187ms 4 Nov 2021 718th RYNO8 813 86 62ms 16 Aug 2022 718th LeeCamp 813 86 220ms 15 Jan 2023 First Prev 641–720 of 2,094 Next Last