Happy Numbers in Ruby 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 brainfuck 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 Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig 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 brainfuck 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 Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Bytes Time 61st iamsolarpowered Ruby 583 84 15 Dec 2017 62nd snltd Ruby 570 86 14 Aug 2019 62nd jaredcrystal 🇺🇸 Ruby 570 86 14 Dec 2020 62nd fynnkroeger Ruby 570 86 30 Jan 2022 65th stevehodges Ruby 551 89 9 Nov 2017 66th proton 🇩🇪 Ruby 527 93 10 Jun 2020 66th Mortis66666 Ruby 527 93 10 Jun 2022 68th segiddins Ruby 510 96 24 Aug 2018 68th alexjurkiewicz 🇦🇺 Ruby 510 96 7 Nov 2023 70th boxjelly Ruby 450 109 9 Feb 2021 71st caerbannogwhite Ruby 445 110 13 Apr 2018 72nd atsushiootani Ruby 441 111 13 Aug 2018 73rd JRaspass 🇬🇧 Ruby 438 112 12 Feb 2018 73rd retrohun Ruby 438 112 21 Dec 2018 73rd KatieLG-Transpiler 🇬🇧 Ruby 438 112 24 Jun 2022 73rd Haksell 🇦🇶 Ruby 438 112 22 Feb 2023 77th esmg1 Ruby 434 113 22 Aug 2018 77th jiaminglimjm 🇲🇾 Ruby 434 113 12 Dec 2019 79th tom-lord Ruby 426 115 8 Nov 2017 80th baseconnect-akizuki Ruby 415 118 8 Feb 2023 81st tarotaro0 Ruby 408 120 2 Oct 2019 82nd rrampage Ruby 405 121 10 Aug 2020 83rd yokasuretsu Ruby 386 127 16 Apr 2018 84th msbranicky Ruby 355 138 8 Sep 2023 85th StevenElberger Ruby 350 140 6 Jul 2021 86th mokymok 🇺🇸 Ruby 343 143 8 Nov 2021 87th babcockd Ruby 340 144 5 Jan 2018 88th michaelrychly Ruby 255 192 28 May 2019 89th zstearman3 Ruby 241 203 12 Jul 2018 90th ninjawarrior1337 Ruby 160 306 30 Nov 2021 91st zt14427 Ruby 148 330 2 May 2023 Prev 61–91 of 91