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 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 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 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 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 inventshah 829 60 1,055ms 29 Sep 2023 601st emgordon154 829 60 821ms 18 Nov 2024 603rd albanian-laundromat 829 96 167ms 22 hours ago 604th m42km 827 81 659ms 4 Feb 2024 604th Babafaba 827 81 561ms 11 days ago 606th IanUtley 827 92 3,264ms 24 Oct 2023 607th inventshah 826 98 543ms 10 Sep 2022 607th MeWhenI 🇻🇦 826 98 12ms 16 Aug 2023 609th sean-niemann 🇺🇸 825 106 43ms 21 Apr 2023 610th MeWhenI 🇻🇦 824 53 151ms 19 Sep 2021 610th GrayJoKing 🇦🇺 824 53 86ms 20 Sep 2021 610th sean-niemann 🇺🇸 824 53 161ms 20 Sep 2021 610th scpchicken 🇵🇼 824 53 141ms 19 Dec 2022 610th Steffan153 🇫🇮 824 53 172ms 27 Jan 2023 610th DialFrost 🇸🇬 824 53 160ms 28 Jan 2023 610th snoozingnewt 🇺🇸 824 53 192ms 1 Sep 2024 610th fuzzylojik-golf 🇺🇸 824 53 102ms 15 Sep 2025 618th Waffle3z 824 58 103ms 19 Sep 2021 618th emgordon154 824 58 57ms 12 Dec 2021 618th jbbarth 🇫🇷 824 58 39ms 5 Nov 2022 621st neihousaigaai 824 72 14ms 2 Oct 2021 621st stefangimmillaro 824 72 16ms 29 Sep 2023 621st two-bad 🇬🇧 824 72 17ms 25 Feb 2024 621st KrausRaus 🇺🇸 824 72 14ms 14 Oct 2025 625th andersk 🇺🇸 824 121 127ms 31 Oct 2022 626th Fishron 823 85 251ms 21 Oct 2021 626th aposteriorist 🇨🇦 823 85 24ms 6 Feb 2022 626th TFeld00 🇩🇰 823 85 352ms 22 Apr 2022 626th Ailko 🇧🇪 823 85 77ms 5 May 2022 626th tkr-sh 🇰🇵 823 85 27ms 17 May 2022 626th 051 🇸🇬 823 85 21ms 19 Aug 2022 626th trist224 🇫🇷 823 85 79ms 18 Oct 2022 626th Ripick 823 85 20ms 1 Feb 2023 626th jmerle 🇳🇱 823 85 334ms 16 Feb 2023 626th fkantelberg 823 85 22ms 7 Aug 2023 626th minhtrancccp 823 85 61ms 1 Nov 2023 626th wen1now 823 85 29ms 6 Nov 2023 626th elgan65536 823 85 20ms 28 Nov 2023 626th stertooy 🇧🇪 823 85 21ms 14 Jun 2024 626th FranklinJiaChen 823 85 229ms 5 Aug 2024 626th keelimeguy 🇺🇸 823 85 223ms 17 May 2025 626th KasperKivimaeki 🇫🇮 823 85 22ms 2 Jul 2025 643rd Shanethegamer 🇺🇸 823 114 54ms 18 Dec 2022 643rd Yewzir 🇧🇪 823 114 55ms 14 Jan 2024 645th sean-niemann 🇺🇸 822 86 3,130ms 30 Oct 2024 646th jared-hughes 821 83 148ms 11 Sep 2023 647th Shanethegamer 🇺🇸 821 168 1,159ms 27 Mar 2025 648th AdrienHache 🇫🇷 820 94 375ms 2 Jun 2023 649th Yewzir 🇧🇪 818 107 42ms 14 Jan 2024 650th snoozingnewt 🇺🇸 817 66 13ms 1 Sep 2024 650th LostSyntax21 🇬🇧 817 66 4ms 8 Jan 2025 652nd dokutan 817 82 642ms 24 Dec 2024 653rd m-tkach 🇺🇦 817 120 28ms 18 Dec 2023 654th Mabeloid 🇳🇴 817 122 134ms 14 days ago 655th edsrzf 🇳🇿 816 88 12ms 7 Jun 2025 656th Shanethegamer 🇺🇸 816 90 2ms 9 Oct 2023 656th MeWhenI 🇻🇦 816 90 2ms 10 Oct 2023 658th Shanethegamer 🇺🇸 816 101 481ms 13 Apr 2023 658th emgordon154 816 101 461ms 26 May 2025 660th Natanaelel 🇸🇪 815 33 66ms 22 Jul 2022 660th SirBogman 🇺🇸 815 33 71ms 10 Sep 2022 662nd snoozingnewt 🇺🇸 815 105 80ms 30 Sep 2025 663rd kimbo 🇺🇸 815 146 261ms 12 Jan 2023 664th MeWhenI 🇻🇦 813 71 67ms 5 Apr 2025 665th janbehrens 🇩🇪 813 73 10ms 20 Sep 2021 665th didion0 🇺🇸 813 73 46ms 23 Nov 2021 665th KatieLG 🇬🇧 813 73 13ms 5 Apr 2022 665th emgordon154 813 73 10ms 7 Nov 2024 669th andre-lameirinhas 🇵🇹 813 86 184ms 4 Nov 2021 669th RYNO8 813 86 87ms 16 Aug 2022 669th LeeCamp 813 86 199ms 15 Jan 2023 669th vishwathg 813 86 369ms 4 Feb 2023 669th cros107 🇦🇺 813 86 244ms 11 Oct 2023 669th logvp 813 86 3,408ms 12 Jan 2024 669th Bmrl7 813 86 12ms 29 Feb 2024 First Prev 601–675 of 1,994 Next Last