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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 221st Babafaba 934 65 9ms 2 hours ago 227th Lydxn 🇨🇦 934 87 120ms 13 Jan 2022 227th JayXon 🇺🇸 934 87 118ms 14 Jan 2022 227th lynn 934 87 123ms 7 Jul 2024 227th DialFrost 🇸🇬 934 87 116ms 4 Apr 2025 227th acotis 934 87 120ms 15 Apr 2025 227th emgordon154 934 87 120ms 18 Apr 2025 227th ovs-code 🇩🇪 934 87 117ms 20 Apr 2025 227th pardouin 🇫🇷 934 87 117ms 20 Apr 2025 227th stefangimmillaro 934 87 118ms 18 May 2025 227th sean-niemann 🇺🇸 934 87 123ms 6 Jun 2025 227th kumavale 934 87 133ms 17 Aug 2025 238th JayXon 🇺🇸 933 72 1ms 9 Jul 2021 238th Lydxn 🇨🇦 933 72 2ms 9 Jul 2021 238th sisyphus-ppcg 🇦🇺 933 72 2ms 16 Mar 2022 238th GrayJoKing 🇦🇺 933 72 2ms 9 Apr 2022 238th btnlq 933 72 2ms 28 Dec 2022 243rd flawr 931 73 187ms 24 Feb 2019 243rd GrayJoKing 🇦🇺 931 73 196ms 5 Dec 2020 243rd Shanethegamer 🇺🇸 931 73 135ms 15 Jul 2021 243rd yzhs 🇩🇪 931 73 149ms 24 Jul 2021 243rd sean-niemann 🇺🇸 931 73 149ms 7 Sep 2021 243rd MeWhenI 🇻🇦 931 73 153ms 15 Sep 2021 243rd sisyphus-ppcg 🇦🇺 931 73 130ms 16 Mar 2022 243rd Lydxn 🇨🇦 931 73 165ms 4 Jul 2022 243rd DaCuteRaccoon 931 73 175ms 30 Nov 2022 243rd DialFrost 🇸🇬 931 73 184ms 28 Jan 2023 243rd Steffan153 🇫🇮 931 73 187ms 28 Jan 2023 243rd scpchicken 🇵🇼 931 73 174ms 7 Mar 2023 243rd pardouin 🇫🇷 931 73 161ms 21 Sep 2024 243rd LostSyntax21 🇬🇧 931 73 188ms 8 Jan 2025 257th lyphyser 930 51 59ms 26 Dec 2023 257th AdrienHache 🇫🇷 930 51 62ms 29 Aug 2024 259th HPWiz 🇳🇿 930 53 57ms 18 Mar 2022 260th sean-niemann 🇺🇸 930 60 2ms 29 Oct 2022 260th Lydxn 🇨🇦 930 60 2ms 30 Oct 2022 260th sisyphus-ppcg 🇦🇺 930 60 2ms 3 Nov 2022 260th primo-ppcg 🇹🇭 930 60 4ms 19 Nov 2022 260th clockworknazo 930 60 4ms 19 Nov 2022 260th Steffan153 🇫🇮 930 60 2ms 28 Jan 2023 260th xsot 🇸🇬 930 60 2ms 25 Jul 2023 260th DialFrost 🇸🇬 930 60 6ms 14 Sep 2023 260th fuzzylojik-golf 🇺🇸 930 60 4ms 15 Sep 2025 269th nwellnhof 🇩🇪 930 79 335ms 21 Nov 2021 270th JayXon 🇺🇸 929 72 270ms 18 Aug 2021 270th Lydxn 🇨🇦 929 72 105ms 18 Aug 2021 270th MeWhenI 🇻🇦 929 72 95ms 11 Mar 2022 270th stefangimmillaro 929 72 95ms 28 Jul 2022 270th Steffan153 🇫🇮 929 72 97ms 9 Aug 2024 270th sean-niemann 🇺🇸 929 72 89ms 23 Dec 2024 276th JayXon 🇺🇸 928 93 58ms 2 Jan 2022 276th Lydxn 🇨🇦 928 93 50ms 2 Jan 2022 276th inventshah 928 93 66ms 22 Apr 2023 276th xsot 🇸🇬 928 93 60ms 23 May 2024 280th MeWhenI 🇻🇦 927 54 4ms 12 Aug 2024 280th sisyphus-ppcg 🇦🇺 927 54 4ms 12 Aug 2024 280th Steffan153 🇫🇮 927 54 3ms 12 Aug 2024 280th btnlq 927 54 4ms 14 Aug 2024 280th DialFrost 🇸🇬 927 54 4ms 15 Aug 2024 280th ovs-code 🇩🇪 927 54 4ms 15 Aug 2024 280th Shanethegamer 🇺🇸 927 54 4ms 15 Aug 2024 280th GrayJoKing 🇦🇺 927 54 5ms 17 Aug 2024 280th emgordon154 927 54 5ms 19 Aug 2024 280th pardouin 🇫🇷 927 54 5ms 6 Sep 2024 280th sean-niemann 🇺🇸 927 54 4ms 13 Jan 2025 291st lynn 927 64 20ms 15 Nov 2021 291st MeWhenI 🇻🇦 927 64 15ms 15 Nov 2021 291st Lydxn 🇨🇦 927 64 16ms 16 Nov 2021 291st GrayJoKing 🇦🇺 927 64 16ms 18 Nov 2021 291st btnlq 927 64 15ms 18 Nov 2021 291st annaproxy 927 64 20ms 5 Jan 2022 291st JayXon 🇺🇸 927 64 15ms 15 Feb 2022 291st Steffan153 🇫🇮 927 64 17ms 25 Sep 2022 291st IanUtley 927 64 16ms 17 Nov 2022 291st Yewzir 🇧🇪 927 64 16ms 11 Nov 2023 First Prev 226–300 of 3,080 Next Last