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 IanUtley 827 92 3,264ms 24 Oct 2023 602nd inventshah 826 98 543ms 10 Sep 2022 602nd MeWhenI 🇻🇦 826 98 12ms 16 Aug 2023 604th sean-niemann 🇺🇸 825 106 43ms 21 Apr 2023 605th MeWhenI 🇻🇦 824 53 151ms 19 Sep 2021 605th GrayJoKing 🇦🇺 824 53 86ms 20 Sep 2021 605th sean-niemann 🇺🇸 824 53 161ms 20 Sep 2021 605th scpchicken 🇵🇼 824 53 141ms 19 Dec 2022 605th Steffan153 🇫🇮 824 53 172ms 27 Jan 2023 605th DialFrost 🇸🇬 824 53 160ms 28 Jan 2023 605th snoozingnewt 🇺🇸 824 53 192ms 1 Sep 2024 605th fuzzylojik-golf 🇺🇸 824 53 102ms 15 Sep 2025 613th Waffle3z 824 58 103ms 19 Sep 2021 613th emgordon154 824 58 57ms 12 Dec 2021 613th jbbarth 🇫🇷 824 58 39ms 5 Nov 2022 616th neihousaigaai 824 72 11ms 2 Oct 2021 616th stefangimmillaro 824 72 19ms 29 Sep 2023 616th two-bad 🇬🇧 824 72 16ms 25 Feb 2024 616th KrausRaus 🇺🇸 824 72 21ms 23 days ago 620th andersk 🇺🇸 824 121 125ms 31 Oct 2022 621st Fishron 823 85 251ms 21 Oct 2021 621st aposteriorist 🇨🇦 823 85 24ms 6 Feb 2022 621st TFeld00 🇩🇰 823 85 352ms 22 Apr 2022 621st Ailko 🇧🇪 823 85 77ms 5 May 2022 621st tkr-sh 🇰🇵 823 85 27ms 17 May 2022 621st 051 🇸🇬 823 85 21ms 19 Aug 2022 621st trist224 🇫🇷 823 85 79ms 18 Oct 2022 621st Ripick 823 85 20ms 1 Feb 2023 621st jmerle 🇳🇱 823 85 334ms 16 Feb 2023 621st fkantelberg 823 85 22ms 7 Aug 2023 621st minhtrancccp 823 85 61ms 1 Nov 2023 621st wen1now 823 85 29ms 6 Nov 2023 621st elgan65536 823 85 20ms 28 Nov 2023 621st stertooy 🇧🇪 823 85 21ms 14 Jun 2024 621st FranklinJiaChen 823 85 229ms 5 Aug 2024 621st keelimeguy 🇺🇸 823 85 223ms 17 May 2025 621st KasperKivimaeki 🇫🇮 823 85 22ms 2 Jul 2025 638th Shanethegamer 🇺🇸 823 114 56ms 18 Dec 2022 638th Yewzir 🇧🇪 823 114 61ms 14 Jan 2024 640th sean-niemann 🇺🇸 822 86 3,770ms 30 Oct 2024 641st Shanethegamer 🇺🇸 821 168 975ms 27 Mar 2025 642nd jared-hughes 820 83 148ms 11 Sep 2023 643rd AdrienHache 🇫🇷 819 94 375ms 2 Jun 2023 644th Yewzir 🇧🇪 818 107 42ms 14 Jan 2024 645th snoozingnewt 🇺🇸 817 66 13ms 1 Sep 2024 645th LostSyntax21 🇬🇧 817 66 4ms 8 Jan 2025 647th dokutan 817 82 642ms 24 Dec 2024 648th Shanethegamer 🇺🇸 817 90 2ms 9 Oct 2023 648th MeWhenI 🇻🇦 817 90 2ms 10 Oct 2023 650th m-tkach 🇺🇦 817 120 28ms 18 Dec 2023 651st Mabeloid 🇳🇴 817 122 126ms 6 days ago 652nd Shanethegamer 🇺🇸 816 101 481ms 13 Apr 2023 652nd emgordon154 816 101 461ms 26 May 2025 654th Natanaelel 🇸🇪 815 33 66ms 22 Jul 2022 654th SirBogman 🇺🇸 815 33 71ms 10 Sep 2022 656th edsrzf 🇳🇿 815 88 12ms 7 Jun 2025 657th snoozingnewt 🇺🇸 815 105 80ms 30 Sep 2025 658th kimbo 🇺🇸 815 146 293ms 12 Jan 2023 659th MeWhenI 🇻🇦 813 71 67ms 5 Apr 2025 660th janbehrens 🇩🇪 813 73 11ms 20 Sep 2021 660th didion0 🇺🇸 813 73 46ms 23 Nov 2021 660th KatieLG 🇬🇧 813 73 14ms 5 Apr 2022 660th emgordon154 813 73 11ms 7 Nov 2024 664th andre-lameirinhas 🇵🇹 813 86 184ms 4 Nov 2021 664th RYNO8 813 86 87ms 16 Aug 2022 664th LeeCamp 813 86 199ms 15 Jan 2023 664th vishwathg 813 86 369ms 4 Feb 2023 664th cros107 🇦🇺 813 86 244ms 11 Oct 2023 664th logvp 813 86 3,408ms 12 Jan 2024 664th Bmrl7 813 86 12ms 29 Feb 2024 664th Grrisly 813 86 294ms 29 Mar 2024 664th SB-945 813 86 22ms 31 Mar 2024 664th resoNathan 813 86 16ms 18 Jul 2024 664th albanian-laundromat 813 86 20ms 17 Jun 2025 675th Shanethegamer 🇺🇸 813 100 122ms 19 Sep 2021 First Prev 601–675 of 1,983 Next Last