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 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 Hilbert Curve 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 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 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 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 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 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 Hilbert Curve 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 451st pihart 909 66 22 Jun 2020 451st Argeento 🇵🇱 909 66 13 Nov 2020 451st ovs-code 🇩🇪 909 66 29 Jul 2024 454th sisyphus-ppcg 🇦🇺 909 91 20 Jul 2022 454th UnderKoen 🇳🇱 909 91 6 Mar 2023 454th m-tkach 🇺🇦 909 91 9 Mar 2023 454th Lydxn 🇨🇦 909 91 19 Jul 2023 458th dvargas46 🇺🇸 908 55 15 Nov 2022 459th Waffle3z 908 74 9 Jul 2021 460th sisyphus-ppcg 🇦🇺 908 77 3 Feb 2023 460th JayXon 🇺🇸 908 77 28 Jan 2024 460th GolfingSuccess 🇬🇷 908 77 19 Mar 2025 463rd Shanethegamer 🇺🇸 907 63 18 May 2022 463rd Yewzir 🇧🇪 907 63 9 Nov 2023 463rd Betuaredead 907 63 13 Nov 2023 466th anter69 🇭🇺 906 55 10 Mar 2025 467th prplz 🇦🇺 906 75 12 Oct 2021 467th YAJUE114514 906 75 18 days ago 469th Lydxn 🇨🇦 906 85 27 Feb 2022 469th JayXon 🇺🇸 906 85 28 Feb 2022 469th GrayJoKing 🇦🇺 906 85 13 Mar 2022 472nd frankgraziano 905 144 6 days ago 472nd primo-ppcg 🇹🇭 905 144 4 days ago 472nd DialFrost 🇸🇬 905 144 4 days ago 475th MeWhenI 🇻🇦 903 65 12 Dec 2023 476th MeWhenI 🇻🇦 903 67 16 Dec 2024 476th Yewzir 🇧🇪 903 67 20 Dec 2024 476th GrayJoKing 🇦🇺 903 67 31 Jan 2025 479th lynn 903 79 2 Oct 2021 479th MeWhenI 🇻🇦 903 79 21 Jun 2022 479th m-tkach 🇺🇦 903 79 9 Mar 2023 479th ovs-code 🇩🇪 903 79 24 Mar 2024 479th xsot 🇸🇬 903 79 23 May 2024 479th DialFrost 🇸🇬 903 79 17 Dec 2024 485th rucin93 🇵🇱 902 64 6 Sep 2024 486th janbehrens 🇩🇪 902 70 26 Nov 2023 487th emplv 🇱🇻 902 77 14 Mar 2023 488th canissimia 🇦🇶 902 194 21 Sep 2021 489th Steffan153 🇫🇮 901 91 28 Jan 2023 489th GrayJoKing 🇦🇺 901 91 28 Jan 2023 489th Lydxn 🇨🇦 901 91 28 Jan 2023 489th m-tkach 🇺🇦 901 91 18 Jan 2024 489th sean-niemann 🇺🇸 901 91 19 May 2025 494th Lydxn 🇨🇦 900 91 16 Apr 2022 494th JayXon 🇺🇸 900 91 17 Apr 2022 494th m-tkach 🇺🇦 900 91 9 Mar 2023 497th juliansiebert 🇩🇪 899 55 31 Jul 2022 498th tailorspy 898 96 22 Sep 2024 499th Steffan153 🇫🇮 897 78 29 Oct 2023 499th sean-niemann 🇺🇸 897 78 22 Dec 2024 501st prplz 🇦🇺 897 130 24 Oct 2020 502nd thospel 896 42 25 Jun 2018 502nd Lydxn 🇨🇦 896 42 21 Feb 2023 504th ETHproductions 🇺🇸 895 67 14 Apr 2018 505th DaDerpDuck 895 75 24 Jan 2021 506th MeWhenI 🇻🇦 894 75 22 Mar 2024 507th marcin7Cd 894 85 15 Feb 2021 507th primo-ppcg 🇹🇭 894 85 1 Mar 2021 507th CLOStrophobic 🇮🇹 894 85 14 Feb 2025 510th lifthrasiir 🇰🇷 893 28 29 Nov 2024 511th Constructor7 893 68 24 Feb 2018 511th GolfingSuccess 🇬🇷 893 68 26 Mar 2018 511th kmaork 🇮🇱 893 68 18 Apr 2018 511th edre 893 68 30 Apr 2018 511th j55d 893 68 19 Sep 2018 511th daedals 893 68 16 Apr 2019 511th villfa 893 68 20 May 2019 511th TFeld00 🇩🇰 893 68 31 May 2019 511th marcin7Cd 893 68 27 Aug 2019 511th xorraxrax 893 68 19 Oct 2019 511th jiaminglimjm 🇲🇾 893 68 12 Dec 2019 511th SirBogman 🇺🇸 893 68 4 Jan 2020 511th thisishowmymindworks 🇳🇴 893 68 22 Jul 2020 511th ToriTheChicken 893 68 23 Jul 2020 511th ydevor 🇮🇱 893 68 26 Nov 2020 Prev 451–525 of 2,960 Next