Happy Numbers in Raku in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st GrayJoKing 🇦🇺 1,000 39 162ms 17 Oct 2020 1st Natanaelel 🇸🇪 1,000 39 163ms 5 days ago 3rd nwellnhof 🇩🇪 975 40 414ms 4 Oct 2020 4th primo-ppcg 🇹🇭 951 41 173ms 6 Oct 2020 4th sisyphus-ppcg 🇦🇺 951 41 155ms 31 Jan 2023 6th thospel 929 42 193ms 25 Jun 2018 6th Lydxn 🇨🇦 929 42 170ms 21 Feb 2023 8th ovs-code 🇩🇪 886 44 171ms 31 Dec 2023 9th SirFireball3521 867 45 171ms 22 Mar 2023 10th phdphil 848 46 163ms 9 Apr 2018 11th AlexDaniel 🇪🇪 830 47 198ms 5 Apr 2020 11th SirBogman 🇺🇸 830 47 194ms 4 Nov 2021 13th bluebear94 796 49 208ms 12 Feb 2018 13th prplz 🇦🇺 796 49 164ms 27 Sep 2021 15th dan-simon 780 50 170ms 28 Dec 2017 15th mcreenan 780 50 218ms 22 Apr 2018 17th yokasuretsu 765 51 164ms 27 Jun 2018 17th Attero 🇸🇪 765 51 155ms 6 Oct 2020 19th scpchicken 🇵🇼 750 52 168ms 7 Mar 2022 20th snoozingnewt 🇨🇦 709 55 108ms 30 Nov 2025 21st labster 696 56 117ms 23 Feb 2018 22nd JRaspass 🇬🇧 672 58 147ms 20 Sep 2021 23rd Shanethegamer 🇺🇸 629 62 128ms 8 Dec 2021 24th Indivicivet 609 64 131ms 24 Mar 2021 25th evb0110 582 67 164ms 3 Feb 2018 26th alphafalfa 542 72 121ms 9 Dec 2024 27th elisherer 🇮🇱 513 76 119ms 19 Apr 2019 28th jkramer 464 84 174ms 30 Jul 2018 29th metakuna 448 87 176ms 16 Apr 2019 30th ndren 443 88 161ms 1 Oct 2023 31st retrohun 433 90 169ms 26 Apr 2019 32nd trist224 🇫🇷 429 91 163ms 14 Dec 2022 33rd rucin93 🇵🇱 424 92 173ms 7 Sep 2020 33rd olivermrose 🇺🇸 424 92 177ms 20 Sep 2021 33rd MeWhenI 🇻🇦 424 92 167ms 4 Aug 2022 36th hughsimpson 382 102 153ms 31 Jan 2018 36th jjatria 382 102 146ms 7 Jul 2020 38th lancew 🇳🇿 348 112 103ms 16 Nov 2017 38th KatieLG-Transpiler 🇬🇧 348 112 110ms 24 Jun 2022 38th HumanoidCPU 348 112 97ms 3 May 2024 38th KatieLG 🇬🇧 348 112 105ms 2 Jun 2024 38th Mabeloid 🇳🇴 348 112 104ms 20 Sep 2024 38th dokutan 348 112 100ms 20 Apr 2025 38th CaedenHarper 🇨🇦 348 112 107ms 16 Aug 2025 45th jiaminglimjm 🇲🇾 339 115 110ms 11 Dec 2019 46th falsifian 300 130 150ms 5 Jun 2022 47th RustemB 🇷🇺 295 132 199ms 22 May 2020 48th Scimon 289 135 148ms 14 Dec 2017 49th mokymok 🇺🇸 273 143 110ms 8 Nov 2021 50th dzove855 232 168 215ms 19 Dec 2017 51st massung 207 188 435ms 22 Mar 2019 52nd gustawdaniel 198 197 180ms 1 Apr 2018 53rd zt14427 118 330 142ms 4 Mar 2023 1–53 of 53