Happy Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 517th xorraxrax 893 68 12ms 19 Oct 2019 517th jiaminglimjm 🇲🇾 893 68 13ms 12 Dec 2019 517th SirBogman 🇺🇸 893 68 10ms 4 Jan 2020 517th thisishowmymindworks 🇳🇴 893 68 10ms 22 Jul 2020 517th ToriTheChicken 893 68 10ms 23 Jul 2020 517th ydevor 🇮🇱 893 68 10ms 26 Nov 2020 517th anter69 🇭🇺 893 68 9ms 14 Jan 2021 517th HETHAT 🇩🇿 893 68 13ms 31 Jan 2021 517th vezzick 893 68 11ms 7 Mar 2021 517th Indivicivet 893 68 10ms 26 Mar 2021 517th emplv 🇱🇻 893 68 10ms 31 Aug 2021 517th MichaelMBradley 🇨🇦 893 68 10ms 11 Jun 2022 517th janbehrens 🇩🇪 893 68 10ms 4 Jul 2022 517th betaveros 893 68 10ms 9 Aug 2022 517th 5quiwyrm 893 68 9ms 20 Aug 2022 517th PowerR0 893 68 10ms 25 Aug 2022 517th ItsMeNoobieboy 893 68 13ms 21 Dec 2022 517th scpchicken 🇵🇼 893 68 10ms 28 Jan 2023 517th CheeseCake628 🇳🇴 893 68 18ms 16 Feb 2023 517th Just4FunCoder 893 68 10ms 22 Mar 2023 517th fourth-bit 893 68 11ms 11 Jul 2023 517th RYNO8 893 68 10ms 22 Aug 2023 517th Yewzir 🇧🇪 893 68 12ms 6 Oct 2023 517th keelimeguy 🇺🇸 893 68 17ms 19 Oct 2023 517th 1231234md5 🇨🇳 893 68 13ms 13 Dec 2023 517th stackofbears 893 68 10ms 27 Dec 2023 517th CutSandstone 893 68 13ms 5 Jul 2024 517th Bulmenisaurus 893 68 9ms 17 Jul 2024 517th CaedenHarper 🇨🇦 893 68 11ms 6 Aug 2024 517th codingisgreatbutiamnot 893 68 16ms 12 Aug 2024 517th Troon 893 68 10ms 11 Feb 2025 517th plcc0 893 68 10ms 20 Feb 2025 517th albanian-laundromat 893 68 10ms 30 Jun 2025 517th KasperKivimaeki 🇫🇮 893 68 11ms 2 Jul 2025 517th SanderRuud 893 68 9ms 13 Jul 2025 517th qpwoeirut 893 68 10ms 21 days ago 517th countlpaul-dotcom 893 68 3 days ago 563rd stackofbears 892 33 14 Mar 2025 564th MeWhenI 🇻🇦 892 66 72ms 13 Dec 2022 565th GolfingSuccess 🇬🇷 892 68 5ms 11 Sep 2025 566th prplz 🇦🇺 892 80 2ms 20 Oct 2020 566th primo-ppcg 🇹🇭 892 80 2ms 21 Oct 2020 566th emgordon154 892 80 2ms 22 Dec 2021 566th GrayJoKing 🇦🇺 892 80 2ms 13 Mar 2022 566th jared-hughes 892 80 2ms 30 Mar 2022 566th janbehrens 🇩🇪 892 80 2ms 26 Nov 2023 566th Herbert00709 🇵🇱 892 80 2ms 8 Jun 2024 566th roupiq 🇵🇱 892 80 2ms 9 Jun 2024 574th primo-ppcg 🇹🇭 892 91 132ms 14 Jan 2022 575th MeWhenI 🇻🇦 892 92 30ms 13 Jul 2021 576th pardouin 🇫🇷 892 114 266ms 24 Aug 2024 576th DialFrost 🇸🇬 892 114 295ms 26 Dec 2024 578th DialFrost 🇸🇬 891 68 25 Dec 2024 579th MeWhenI 🇻🇦 890 56 13 Nov 2022 580th stefangimmillaro 890 71 9 Jan 2022 580th emplv 🇱🇻 890 71 21 Jul 2022 582nd GrayJoKing 🇦🇺 889 65 3ms 26 Jul 2023 583rd GrayJoKing 🇦🇺 889 72 14 Jun 2022 583rd primo-ppcg 🇹🇭 889 72 21 Jun 2022 583rd 386asm 🇺🇸 889 72 4 May 2023 586th ovs-code 🇩🇪 887 87 495ms 29 Jul 2024 587th Shanethegamer 🇺🇸 887 147 11ms 1 Aug 2023 587th MeWhenI 🇻🇦 887 147 12ms 1 Aug 2023 587th Lydxn 🇨🇦 887 147 10ms 1 Aug 2023 587th JayXon 🇺🇸 887 147 11ms 2 Aug 2023 587th Steffan153 🇫🇮 887 147 11ms 2 Aug 2023 587th janbehrens 🇩🇪 887 147 10ms 2 Aug 2023 587th GrayJoKing 🇦🇺 887 147 11ms 11 Aug 2023 587th BREMAUCY 🇫🇷 887 147 10ms 7 Sep 2023 587th dokutan 887 147 10ms 26 Oct 2023 587th Yewzir 🇧🇪 887 147 11ms 12 Mar 2024 587th HumanoidCPU 887 147 12ms 13 May 2024 587th pardouin 🇫🇷 887 147 11ms 20 Aug 2024 587th KatieLG 🇬🇧 887 147 11ms 26 Sep 2024 587th emgordon154 887 147 11ms 4 Dec 2024 First Prev 526–600 of 3,068 Next Last
