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 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 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 635th firegene 🇮🇪 832 84 21ms 22 Dec 2023 635th moustave 832 84 178ms 26 Nov 2024 635th SectorCorruptor 832 84 295ms 10 days ago 644th madex 🇩🇪 832 85 2,587ms 19 days ago 645th h3ra993huskp 🇯🇵 832 113 503ms 30 Nov 2025 646th Shanethegamer 🇺🇸 832 114 59ms 18 Dec 2022 646th Yewzir 🇧🇪 832 114 62ms 14 Jan 2024 648th Shanethegamer 🇺🇸 832 120 119ms 13 Jan 2022 648th MeWhenI 🇻🇦 832 120 124ms 9 May 2023 648th emgordon154 832 120 120ms 14 Mar 2025 648th jusaka 832 120 127ms 5 hours ago 652nd albanian-laundromat 831 73 1,292ms 23 Sep 2025 653rd edsrzf 🇳🇿 831 118 28ms 9 Feb 2026 654th prplz 🇦🇺 830 103 124ms 18 Dec 2021 654th dokutan 830 103 91ms 6 Nov 2025 656th ovs-code 🇩🇪 830 166 1,423ms 29 Mar 2025 656th emgordon154 830 166 1,450ms 21 May 2025 658th inventshah 827 60 1,340ms 29 Sep 2023 658th emgordon154 827 60 1,286ms 18 Nov 2024 660th m42km 827 81 624ms 4 Feb 2024 660th Babafaba 827 81 705ms 3 Nov 2025 662nd albanian-laundromat 827 96 187ms 13 Nov 2025 663rd IanUtley 826 92 3,003ms 24 Oct 2023 664th sean-niemann 🇺🇸 826 106 39ms 21 Apr 2023 665th Shanethegamer 🇺🇸 825 88 2ms 19 Nov 2025 665th DialFrost 🇸🇬 825 88 2ms 15 Dec 2025 667th Steffan153 🇫🇮 825 119 109ms 28 Feb 2026 668th andersk 🇺🇸 825 121 137ms 31 Oct 2022 669th neihousaigaai 824 72 11ms 2 Oct 2021 669th stefangimmillaro 824 72 14ms 29 Sep 2023 669th two-bad 🇬🇧 824 72 16ms 25 Feb 2024 672nd inventshah 824 98 538ms 10 Sep 2022 672nd MeWhenI 🇻🇦 824 98 12ms 16 Aug 2023 674th m-tkach 🇺🇦 824 143 25ms 7 Apr 2022 674th primo-ppcg 🇹🇭 824 143 25ms 25 Jun 2022 676th MeWhenI 🇻🇦 823 53 147ms 19 Sep 2021 676th GrayJoKing 🇦🇺 823 53 78ms 20 Sep 2021 676th sean-niemann 🇺🇸 823 53 144ms 20 Sep 2021 676th scpchicken 🇵🇼 823 53 143ms 19 Dec 2022 676th Steffan153 🇫🇮 823 53 148ms 27 Jan 2023 676th DialFrost 🇸🇬 823 53 166ms 28 Jan 2023 676th snoozingnewt 🇨🇦 823 53 153ms 1 Sep 2024 676th fuzzylojik-golf 🇺🇸 823 53 107ms 15 Sep 2025 676th blaztoma 🇱🇹 823 53 152ms 23 Nov 2025 685th Waffle3z 823 58 92ms 19 Sep 2021 685th emgordon154 823 58 38ms 12 Dec 2021 685th jbbarth 🇫🇷 823 58 40ms 5 Nov 2022 688th Fishron 823 85 256ms 21 Oct 2021 688th aposteriorist 🇨🇦 823 85 20ms 6 Feb 2022 688th TFeld00 🇩🇰 823 85 363ms 22 Apr 2022 688th Ailko 🇧🇪 823 85 68ms 5 May 2022 688th tkr-sh 🇰🇵 823 85 20ms 17 May 2022 688th 051 🇸🇬 823 85 20ms 19 Aug 2022 688th trist224 🇫🇷 823 85 68ms 18 Oct 2022 688th Ripick 823 85 21ms 1 Feb 2023 688th jmerle 🇳🇱 823 85 298ms 16 Feb 2023 688th fkantelberg 823 85 21ms 7 Aug 2023 688th minhtrancccp 823 85 67ms 1 Nov 2023 688th wen1now 823 85 19ms 6 Nov 2023 688th elgan65536 🇺🇸 823 85 20ms 28 Nov 2023 688th stertooy 🇧🇪 823 85 21ms 14 Jun 2024 688th FranklinJiaChen 823 85 191ms 5 Aug 2024 688th keelimeguy 🇺🇸 823 85 232ms 17 May 2025 688th KasperKivimaeki 🇫🇮 823 85 20ms 2 Jul 2025 688th albanian-laundromat 823 85 21ms 20 Nov 2025 688th Lv0Sys 🇵🇱 823 85 19ms 5 Dec 2025 688th Andrey2001 823 85 22ms 2 days ago 708th sean-niemann 🇺🇸 822 86 2,516ms 30 Oct 2024 709th jared-hughes 820 83 126ms 11 Sep 2023 710th Shanethegamer 🇺🇸 820 168 1,437ms 27 Mar 2025 711th AdrienHache 🇫🇷 819 94 433ms 2 Jun 2023 712th Yewzir 🇧🇪 818 107 39ms 14 Jan 2024 713th snyderek 🇺🇸 818 116 62ms 6 Oct 2024 714th Mabeloid 🇳🇴 818 122 128ms 31 Oct 2025 714th CaedenHarper 🇨🇦 818 122 123ms 1 Dec 2025 714th elgan65536 🇺🇸 818 122 119ms 7 Feb 2026 717th Shanethegamer 🇺🇸 817 101 436ms 13 Apr 2023 717th emgordon154 817 101 469ms 26 May 2025 719th m-tkach 🇺🇦 817 120 27ms 18 Dec 2023 720th kimbo 🇺🇸 815 146 295ms 12 Jan 2023 First Prev 641–720 of 2,113 Next Last