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 296th emgordon154 925 57 10 Jan 2025 296th sean-niemann 🇺🇸 925 57 21 Apr 2025 303rd JayXon 🇺🇸 925 60 9 Jul 2021 303rd Lydxn 🇨🇦 925 60 9 Jul 2021 303rd MeWhenI 🇻🇦 925 60 4 Nov 2021 303rd sisyphus-ppcg 🇦🇺 925 60 24 Mar 2022 307th Lydxn 🇨🇦 925 61 9 Jul 2021 307th JayXon 🇺🇸 925 61 19 Aug 2021 307th GrayJoKing 🇦🇺 925 61 13 Mar 2022 310th ScottHamper 925 126 16 Oct 2020 310th nwellnhof 🇩🇪 925 126 17 Oct 2020 310th JayXon 🇺🇸 925 126 26 May 2021 310th Lydxn 🇨🇦 925 126 29 May 2021 310th primo-ppcg 🇹🇭 925 126 23 Jun 2021 310th MeWhenI 🇻🇦 925 126 21 Sep 2021 310th sean-niemann 🇺🇸 925 126 2 Dec 2021 310th stefangimmillaro 925 126 17 Jul 2022 310th Steffan153 🇫🇮 925 126 30 Nov 2022 310th DialFrost 🇸🇬 925 126 22 Jan 2023 310th h3ra993huskp 🇯🇵 925 126 20 Dec 2023 321st primo-ppcg 🇹🇭 923 43 2 Nov 2020 321st sisyphus-ppcg 🇦🇺 923 43 3 Nov 2020 321st Irratix 🇳🇱 923 43 11 Dec 2021 321st stefangimmillaro 923 43 23 Apr 2022 321st Lydxn 🇨🇦 923 43 5 Aug 2023 326th Shanethegamer 🇺🇸 923 54 13 Sep 2021 327th sisyphus-ppcg 🇦🇺 923 65 27 Jan 2021 327th MeWhenI 🇻🇦 923 65 15 Sep 2021 327th Irratix 🇳🇱 923 65 15 Dec 2021 327th DialFrost 🇸🇬 923 65 28 Jan 2023 331st Steffan153 🇫🇮 923 110 1 Oct 2022 331st Shanethegamer 🇺🇸 923 110 29 Mar 2023 331st sean-niemann 🇺🇸 923 110 30 Aug 2023 331st Yewzir 🇧🇪 923 110 26 Oct 2023 331st m-tkach 🇺🇦 923 110 5 Dec 2023 331st emgordon154 923 110 17 Jan 2025 331st error256 923 110 15 Feb 2025 331st plcc0 923 110 21 Mar 2025 339th andersk 🇺🇸 922 88 5 Nov 2022 339th jared-hughes 922 88 10 Nov 2022 339th Steffan153 🇫🇮 922 88 28 Jan 2023 342nd Steffan153 🇫🇮 921 62 15 Mar 2023 342nd Lydxn 🇨🇦 921 62 15 Mar 2023 342nd JayXon 🇺🇸 921 62 21 Mar 2023 342nd GrayJoKing 🇦🇺 921 62 6 Jun 2023 342nd pardouin 🇫🇷 921 62 3 Sep 2024 342nd sean-niemann 🇺🇸 921 62 18 Apr 2025 348th sisyphus-ppcg 🇦🇺 920 64 12 Dec 2022 348th Lydxn 🇨🇦 920 64 13 Dec 2022 348th Steffan153 🇫🇮 920 64 28 Jan 2023 348th ovs-code 🇩🇪 920 64 21 Apr 2024 348th DialFrost 🇸🇬 920 64 20 Feb 2025 348th sean-niemann 🇺🇸 920 64 20 Feb 2025 354th HPWiz 🇳🇿 919 32 17 Aug 2023 355th JayXon 🇺🇸 919 66 28 May 2021 355th lynn 919 66 28 May 2021 355th primo-ppcg 🇹🇭 919 66 28 May 2021 355th Lydxn 🇨🇦 919 66 9 Oct 2021 355th prplz 🇦🇺 919 66 12 Oct 2021 355th Shanethegamer 🇺🇸 919 66 25 Oct 2021 355th MeWhenI 🇻🇦 919 66 26 Oct 2021 355th Steffan153 🇫🇮 919 66 1 Oct 2022 355th Yewzir 🇧🇪 919 66 6 Dec 2023 355th DialFrost 🇸🇬 919 66 10 Mar 2025 355th sean-niemann 🇺🇸 919 66 18 Apr 2025 355th CaedenHarper 🇨🇦 919 66 15 Jul 2025 367th primo-ppcg 🇹🇭 918 41 6 Oct 2020 367th Natanaelel 🇸🇪 918 41 7 Oct 2021 367th sisyphus-ppcg 🇦🇺 918 41 31 Jan 2023 370th Lydxn 🇨🇦 918 72 10 Sep 2022 370th GrayJoKing 🇦🇺 918 72 10 Sep 2022 370th JayXon 🇺🇸 918 72 10 Sep 2022 370th btnlq 918 72 11 Sep 2022 370th Steffan153 🇫🇮 918 72 19 Aug 2024 375th bforte 918 74 9 Dec 2018 Prev 301–375 of 2,959 Next