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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 526th ETHproductions 🇺🇸 895 67 14 Apr 2018 527th DaDerpDuck 895 75 24 Jan 2021 528th marcin7Cd 894 85 15 Feb 2021 528th primo-ppcg 🇹🇭 894 85 1 Mar 2021 528th CLOStrophobic 🇮🇹 894 85 14 Feb 2025 531st KatieLG-Transpiler 🇬🇧 894 149 24 Jun 2022 532nd lifthrasiir 🇰🇷 893 28 29 Nov 2024 533rd Constructor7 893 68 24 Feb 2018 533rd GolfingSuccess 🇬🇷 893 68 26 Mar 2018 533rd kmaork 🇮🇱 893 68 18 Apr 2018 533rd edre 893 68 30 Apr 2018 533rd j55d 893 68 19 Sep 2018 533rd daedals 893 68 16 Apr 2019 533rd villfa 893 68 20 May 2019 533rd TFeld00 🇩🇰 893 68 31 May 2019 533rd marcin7Cd 893 68 27 Aug 2019 533rd xorraxrax 893 68 19 Oct 2019 533rd jiaminglimjm 🇲🇾 893 68 12 Dec 2019 533rd SirBogman 🇺🇸 893 68 4 Jan 2020 533rd thisishowmymindworks 🇳🇴 893 68 22 Jul 2020 533rd ToriTheChicken 893 68 23 Jul 2020 533rd ydevor 🇮🇱 893 68 26 Nov 2020 533rd anter69 🇭🇺 893 68 14 Jan 2021 533rd HETHAT 🇩🇿 893 68 31 Jan 2021 533rd vezzick 893 68 7 Mar 2021 533rd Indivicivet 893 68 26 Mar 2021 533rd emplv 🇱🇻 893 68 31 Aug 2021 533rd MichaelMBradley 🇨🇦 893 68 11 Jun 2022 533rd janbehrens 🇩🇪 893 68 4 Jul 2022 533rd betaveros 893 68 9 Aug 2022 533rd 5quiwyrm 893 68 20 Aug 2022 533rd PowerR0 893 68 25 Aug 2022 533rd ItsMeNoobieboy 893 68 21 Dec 2022 533rd scpchicken 🇵🇼 893 68 28 Jan 2023 533rd CheeseCake628 🇳🇴 893 68 16 Feb 2023 533rd Just4FunCoder 893 68 22 Mar 2023 533rd fourth-bit 893 68 11 Jul 2023 533rd RYNO8 893 68 22 Aug 2023 533rd ndren 893 68 1 Oct 2023 533rd Yewzir 🇧🇪 893 68 6 Oct 2023 533rd keelimeguy 🇺🇸 893 68 19 Oct 2023 533rd 1231234md5 🇨🇳 893 68 13 Dec 2023 533rd stackofbears 893 68 27 Dec 2023 533rd CutSandstone 893 68 5 Jul 2024 533rd Bulmenisaurus 893 68 17 Jul 2024 533rd CaedenHarper 🇨🇦 893 68 6 Aug 2024 533rd codingisgreatbutiamnot 893 68 12 Aug 2024 533rd Troon 893 68 11 Feb 2025 533rd plcc0 893 68 20 Feb 2025 533rd albanian-laundromat 893 68 19 days ago 533rd KasperKivimaeki 🇫🇮 893 68 17 days ago 533rd dirckvdende 893 68 13 days ago 533rd SanderRuud 893 68 6 days ago 579th MeWhenI 🇻🇦 892 75 22 Mar 2024 580th MeWhenI 🇻🇦 892 93 18 May 2022 581st stackofbears 891 33 14 Mar 2025 582nd prplz 🇦🇺 891 80 20 Oct 2020 582nd primo-ppcg 🇹🇭 891 80 21 Oct 2020 582nd emgordon154 891 80 22 Dec 2021 582nd GrayJoKing 🇦🇺 891 80 13 Mar 2022 582nd jared-hughes 891 80 30 Mar 2022 582nd janbehrens 🇩🇪 891 80 26 Nov 2023 582nd Herbert00709 🇵🇱 891 80 8 Jun 2024 582nd roupiq 🇵🇱 891 80 9 Jun 2024 590th primo-ppcg 🇹🇭 891 91 14 Jan 2022 591st pardouin 🇫🇷 891 114 24 Aug 2024 591st DialFrost 🇸🇬 891 114 26 Dec 2024 593rd MeWhenI 🇻🇦 890 56 13 Nov 2022 594th MeWhenI 🇻🇦 889 66 13 Dec 2022 595th DialFrost 🇸🇬 889 68 25 Dec 2024 596th stefangimmillaro 889 71 9 Jan 2022 596th emplv 🇱🇻 889 71 21 Jul 2022 598th GrayJoKing 🇦🇺 889 72 14 Jun 2022 598th primo-ppcg 🇹🇭 889 72 21 Jun 2022 598th 386asm 🇺🇸 889 72 4 May 2023 Prev 526–600 of 2,909 Next