Happy Numbers (Long) in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 601st m42km 827 81 659ms 4 Feb 2024 601st Babafaba 827 81 561ms 4 days ago 603rd IanUtley 827 92 3,264ms 24 Oct 2023 604th inventshah 826 98 543ms 10 Sep 2022 604th MeWhenI 🇻🇦 826 98 12ms 16 Aug 2023 606th sean-niemann 🇺🇸 825 106 43ms 21 Apr 2023 607th MeWhenI 🇻🇦 824 53 151ms 19 Sep 2021 607th GrayJoKing 🇦🇺 824 53 86ms 20 Sep 2021 607th sean-niemann 🇺🇸 824 53 161ms 20 Sep 2021 607th scpchicken 🇵🇼 824 53 141ms 19 Dec 2022 607th Steffan153 🇫🇮 824 53 172ms 27 Jan 2023 607th DialFrost 🇸🇬 824 53 160ms 28 Jan 2023 607th snoozingnewt 🇺🇸 824 53 192ms 1 Sep 2024 607th fuzzylojik-golf 🇺🇸 824 53 102ms 15 Sep 2025 615th Waffle3z 824 58 103ms 19 Sep 2021 615th emgordon154 824 58 57ms 12 Dec 2021 615th jbbarth 🇫🇷 824 58 39ms 5 Nov 2022 618th neihousaigaai 824 72 11ms 2 Oct 2021 618th stefangimmillaro 824 72 19ms 29 Sep 2023 618th two-bad 🇬🇧 824 72 16ms 25 Feb 2024 618th KrausRaus 🇺🇸 824 72 21ms 24 days ago 622nd andersk 🇺🇸 824 121 125ms 31 Oct 2022 623rd Fishron 823 85 251ms 21 Oct 2021 623rd aposteriorist 🇨🇦 823 85 24ms 6 Feb 2022 623rd TFeld00 🇩🇰 823 85 352ms 22 Apr 2022 623rd Ailko 🇧🇪 823 85 77ms 5 May 2022 623rd tkr-sh 🇰🇵 823 85 27ms 17 May 2022 623rd 051 🇸🇬 823 85 21ms 19 Aug 2022 623rd trist224 🇫🇷 823 85 79ms 18 Oct 2022 623rd Ripick 823 85 20ms 1 Feb 2023 623rd jmerle 🇳🇱 823 85 334ms 16 Feb 2023 623rd fkantelberg 823 85 22ms 7 Aug 2023 623rd minhtrancccp 823 85 61ms 1 Nov 2023 623rd wen1now 823 85 29ms 6 Nov 2023 623rd elgan65536 823 85 20ms 28 Nov 2023 623rd stertooy 🇧🇪 823 85 21ms 14 Jun 2024 623rd FranklinJiaChen 823 85 229ms 5 Aug 2024 623rd keelimeguy 🇺🇸 823 85 223ms 17 May 2025 623rd KasperKivimaeki 🇫🇮 823 85 22ms 2 Jul 2025 640th Shanethegamer 🇺🇸 823 114 56ms 18 Dec 2022 640th Yewzir 🇧🇪 823 114 61ms 14 Jan 2024 642nd sean-niemann 🇺🇸 822 86 3,770ms 30 Oct 2024 643rd jared-hughes 821 83 148ms 11 Sep 2023 644th Shanethegamer 🇺🇸 821 168 975ms 27 Mar 2025 645th AdrienHache 🇫🇷 819 94 375ms 2 Jun 2023 646th Yewzir 🇧🇪 818 107 42ms 14 Jan 2024 647th snoozingnewt 🇺🇸 817 66 13ms 1 Sep 2024 647th LostSyntax21 🇬🇧 817 66 4ms 8 Jan 2025 649th dokutan 817 82 642ms 24 Dec 2024 650th Shanethegamer 🇺🇸 817 90 2ms 9 Oct 2023 650th MeWhenI 🇻🇦 817 90 2ms 10 Oct 2023 652nd m-tkach 🇺🇦 817 120 28ms 18 Dec 2023 653rd Mabeloid 🇳🇴 817 122 126ms 7 days ago 654th edsrzf 🇳🇿 816 88 12ms 7 Jun 2025 655th Shanethegamer 🇺🇸 816 101 481ms 13 Apr 2023 655th emgordon154 816 101 461ms 26 May 2025 657th Natanaelel 🇸🇪 815 33 66ms 22 Jul 2022 657th SirBogman 🇺🇸 815 33 71ms 10 Sep 2022 659th snoozingnewt 🇺🇸 815 105 80ms 30 Sep 2025 660th kimbo 🇺🇸 815 146 261ms 12 Jan 2023 661st MeWhenI 🇻🇦 813 71 67ms 5 Apr 2025 662nd janbehrens 🇩🇪 813 73 11ms 20 Sep 2021 662nd didion0 🇺🇸 813 73 46ms 23 Nov 2021 662nd KatieLG 🇬🇧 813 73 14ms 5 Apr 2022 662nd emgordon154 813 73 11ms 7 Nov 2024 666th andre-lameirinhas 🇵🇹 813 86 184ms 4 Nov 2021 666th RYNO8 813 86 87ms 16 Aug 2022 666th LeeCamp 813 86 199ms 15 Jan 2023 666th vishwathg 813 86 369ms 4 Feb 2023 666th cros107 🇦🇺 813 86 244ms 11 Oct 2023 666th logvp 813 86 3,408ms 12 Jan 2024 666th Bmrl7 813 86 12ms 29 Feb 2024 666th Grrisly 813 86 294ms 29 Mar 2024 666th SB-945 813 86 22ms 31 Mar 2024 666th resoNathan 813 86 16ms 18 Jul 2024 First Prev 601–675 of 1,987 Next Last