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 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 Snake Sphenic Numbers Trinomial Triangle 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 521st daedals 893 68 16 Apr 2019 521st villfa 893 68 20 May 2019 521st TFeld00 🇩🇰 893 68 31 May 2019 521st marcin7Cd 893 68 27 Aug 2019 521st xorraxrax 893 68 19 Oct 2019 521st jiaminglimjm 🇲🇾 893 68 12 Dec 2019 521st SirBogman 🇺🇸 893 68 4 Jan 2020 521st thisishowmymindworks 🇳🇴 893 68 22 Jul 2020 521st ToriTheChicken 893 68 23 Jul 2020 521st ydevor 🇮🇱 893 68 26 Nov 2020 521st anter69 🇭🇺 893 68 14 Jan 2021 521st HETHAT 🇩🇿 893 68 31 Jan 2021 521st vezzick 893 68 7 Mar 2021 521st Indivicivet 893 68 26 Mar 2021 521st emplv 🇱🇻 893 68 31 Aug 2021 521st MichaelMBradley 🇨🇦 893 68 11 Jun 2022 521st janbehrens 🇩🇪 893 68 4 Jul 2022 521st betaveros 893 68 9 Aug 2022 521st 5quiwyrm 893 68 20 Aug 2022 521st PowerR0 893 68 25 Aug 2022 521st ItsMeNoobieboy 893 68 21 Dec 2022 521st scpchicken 🇵🇼 893 68 28 Jan 2023 521st CheeseCake628 🇳🇴 893 68 16 Feb 2023 521st Just4FunCoder 893 68 22 Mar 2023 521st fourth-bit 893 68 11 Jul 2023 521st RYNO8 893 68 22 Aug 2023 521st ndren 893 68 1 Oct 2023 521st Yewzir 🇧🇪 893 68 6 Oct 2023 521st keelimeguy 🇺🇸 893 68 19 Oct 2023 521st 1231234md5 🇨🇳 893 68 13 Dec 2023 521st stackofbears 893 68 27 Dec 2023 521st CutSandstone 893 68 5 Jul 2024 521st Bulmenisaurus 893 68 17 Jul 2024 521st CaedenHarper 🇨🇦 893 68 6 Aug 2024 521st codingisgreatbutiamnot 893 68 12 Aug 2024 521st Troon 893 68 11 Feb 2025 521st plcc0 893 68 20 Feb 2025 521st albanian-laundromat 893 68 30 Jun 2025 521st KasperKivimaeki 🇫🇮 893 68 2 Jul 2025 521st SanderRuud 893 68 13 Jul 2025 566th stackofbears 892 33 14 Mar 2025 567th MeWhenI 🇻🇦 892 66 13 Dec 2022 568th GolfingSuccess 🇬🇷 892 68 5 days ago 569th prplz 🇦🇺 892 80 20 Oct 2020 569th primo-ppcg 🇹🇭 892 80 21 Oct 2020 569th emgordon154 892 80 22 Dec 2021 569th GrayJoKing 🇦🇺 892 80 13 Mar 2022 569th jared-hughes 892 80 30 Mar 2022 569th janbehrens 🇩🇪 892 80 26 Nov 2023 569th Herbert00709 🇵🇱 892 80 8 Jun 2024 569th roupiq 🇵🇱 892 80 9 Jun 2024 577th primo-ppcg 🇹🇭 892 91 14 Jan 2022 578th MeWhenI 🇻🇦 892 92 13 Jul 2021 579th DialFrost 🇸🇬 891 68 25 Dec 2024 580th pardouin 🇫🇷 891 114 24 Aug 2024 580th DialFrost 🇸🇬 891 114 26 Dec 2024 582nd Apataras 891 131 25 Jul 2025 583rd MeWhenI 🇻🇦 890 56 13 Nov 2022 584th stefangimmillaro 890 71 9 Jan 2022 584th emplv 🇱🇻 890 71 21 Jul 2022 586th GrayJoKing 🇦🇺 889 65 26 Jul 2023 587th GrayJoKing 🇦🇺 889 72 14 Jun 2022 587th primo-ppcg 🇹🇭 889 72 21 Jun 2022 587th 386asm 🇺🇸 889 72 4 May 2023 590th ovs-code 🇩🇪 887 87 29 Jul 2024 591st Shanethegamer 🇺🇸 887 147 1 Aug 2023 591st MeWhenI 🇻🇦 887 147 1 Aug 2023 591st Lydxn 🇨🇦 887 147 1 Aug 2023 591st JayXon 🇺🇸 887 147 2 Aug 2023 591st Steffan153 🇫🇮 887 147 2 Aug 2023 591st janbehrens 🇩🇪 887 147 2 Aug 2023 591st GrayJoKing 🇦🇺 887 147 11 Aug 2023 591st BREMAUCY 🇫🇷 887 147 7 Sep 2023 591st dokutan 887 147 26 Oct 2023 591st Yewzir 🇧🇪 887 147 12 Mar 2024 Prev 526–600 of 3,036 Next