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 640th dokutan 830 103 83ms 6 Nov 2025 642nd Shanethegamer 🇺🇸 830 120 125ms 13 Jan 2022 642nd MeWhenI 🇻🇦 830 120 129ms 9 May 2023 642nd emgordon154 830 120 129ms 14 Mar 2025 645th ovs-code 🇩🇪 830 166 1,449ms 29 Mar 2025 645th emgordon154 830 166 2,653ms 21 May 2025 647th inventshah 827 60 1,340ms 29 Sep 2023 647th emgordon154 827 60 1,286ms 18 Nov 2024 649th m42km 827 81 624ms 4 Feb 2024 649th Babafaba 827 81 705ms 3 Nov 2025 651st albanian-laundromat 827 96 207ms 13 Nov 2025 652nd IanUtley 826 92 3,106ms 24 Oct 2023 653rd sean-niemann 🇺🇸 826 106 39ms 21 Apr 2023 654th Shanethegamer 🇺🇸 825 88 2ms 19 Nov 2025 654th DialFrost 🇸🇬 825 88 2ms 15 Dec 2025 656th Steffan153 🇫🇮 825 119 108ms 7 days ago 657th neihousaigaai 824 72 11ms 2 Oct 2021 657th stefangimmillaro 824 72 16ms 29 Sep 2023 657th two-bad 🇬🇧 824 72 14ms 25 Feb 2024 660th inventshah 824 98 538ms 10 Sep 2022 660th MeWhenI 🇻🇦 824 98 12ms 16 Aug 2023 662nd MeWhenI 🇻🇦 823 53 141ms 19 Sep 2021 662nd GrayJoKing 🇦🇺 823 53 76ms 20 Sep 2021 662nd sean-niemann 🇺🇸 823 53 138ms 20 Sep 2021 662nd scpchicken 🇵🇼 823 53 143ms 19 Dec 2022 662nd Steffan153 🇫🇮 823 53 141ms 27 Jan 2023 662nd DialFrost 🇸🇬 823 53 140ms 28 Jan 2023 662nd snoozingnewt 🇨🇦 823 53 141ms 1 Sep 2024 662nd fuzzylojik-golf 🇺🇸 823 53 95ms 15 Sep 2025 662nd blaztoma 🇱🇹 823 53 138ms 23 Nov 2025 671st Waffle3z 823 58 96ms 19 Sep 2021 671st emgordon154 823 58 42ms 12 Dec 2021 671st jbbarth 🇫🇷 823 58 38ms 5 Nov 2022 674th Fishron 823 85 256ms 21 Oct 2021 674th aposteriorist 🇨🇦 823 85 20ms 6 Feb 2022 674th TFeld00 🇩🇰 823 85 363ms 22 Apr 2022 674th Ailko 🇧🇪 823 85 68ms 5 May 2022 674th tkr-sh 🇰🇵 823 85 20ms 17 May 2022 674th 051 🇸🇬 823 85 20ms 19 Aug 2022 674th trist224 🇫🇷 823 85 68ms 18 Oct 2022 674th Ripick 823 85 21ms 1 Feb 2023 674th jmerle 🇳🇱 823 85 298ms 16 Feb 2023 674th fkantelberg 823 85 21ms 7 Aug 2023 674th minhtrancccp 823 85 67ms 1 Nov 2023 674th wen1now 823 85 19ms 6 Nov 2023 674th elgan65536 🇺🇸 823 85 20ms 28 Nov 2023 674th stertooy 🇧🇪 823 85 21ms 14 Jun 2024 674th FranklinJiaChen 823 85 191ms 5 Aug 2024 674th keelimeguy 🇺🇸 823 85 232ms 17 May 2025 674th KasperKivimaeki 🇫🇮 823 85 20ms 2 Jul 2025 674th albanian-laundromat 823 85 21ms 20 Nov 2025 674th Lv0Sys 🇵🇱 823 85 19ms 5 Dec 2025 674th SectorCorruptor 823 85 292ms 27 days ago 694th andersk 🇺🇸 823 121 133ms 31 Oct 2022 695th jared-hughes 820 83 126ms 11 Sep 2023 696th sean-niemann 🇺🇸 820 86 2,265ms 30 Oct 2024 697th emplv 🇱🇻 820 148 24ms 29 Jun 2022 698th Shanethegamer 🇺🇸 820 168 1,418ms 27 Mar 2025 699th AdrienHache 🇫🇷 819 94 462ms 2 Jun 2023 700th Yewzir 🇧🇪 818 107 39ms 14 Jan 2024 701st dokutan 817 82 671ms 24 Dec 2024 702nd Shanethegamer 🇺🇸 817 101 436ms 13 Apr 2023 702nd emgordon154 817 101 469ms 26 May 2025 704th snyderek 🇺🇸 817 116 57ms 6 Oct 2024 705th m-tkach 🇺🇦 817 120 27ms 18 Dec 2023 706th Mabeloid 🇳🇴 816 122 127ms 31 Oct 2025 706th CaedenHarper 🇨🇦 816 122 124ms 1 Dec 2025 706th elgan65536 🇺🇸 816 122 129ms 27 days ago 709th kimbo 🇺🇸 815 146 295ms 12 Jan 2023 710th albanian-laundromat 815 149 27ms 28 Dec 2025 711th edsrzf 🇳🇿 814 88 11ms 7 Jun 2025 712th snoozingnewt 🇨🇦 814 105 77ms 30 Sep 2025 713th janbehrens 🇩🇪 813 73 11ms 20 Sep 2021 713th didion0 🇺🇸 813 73 41ms 23 Nov 2021 713th KatieLG 🇬🇧 813 73 14ms 5 Apr 2022 713th emgordon154 813 73 10ms 7 Nov 2024 717th andre-lameirinhas 🇵🇹 813 86 187ms 4 Nov 2021 717th RYNO8 813 86 62ms 16 Aug 2022 717th LeeCamp 813 86 220ms 15 Jan 2023 717th vishwathg 813 86 363ms 4 Feb 2023 First Prev 641–720 of 2,091 Next Last