Emirp Numbers in Ruby in chars. 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 Chars Time Submitted 80th clupasq 477 86 41ms 3 Feb 2018 80th jetpks 477 86 42ms 27 Jun 2019 80th ejini6969 477 86 39ms 1 Apr 2023 84th rlue 471 87 45ms 8 Nov 2017 85th gilufin 456 90 41ms 23 May 2021 86th aydamak 451 91 39ms 15 May 2024 87th snltd 446 92 43ms 14 Aug 2019 88th HumanoidCPU 441 93 35ms 10 Jan 2025 89th atayarani 436 94 39ms 17 Jan 2019 89th TheZwierzLF 🇵🇱 436 94 38ms 16 Dec 2025 91st robymus 432 95 68ms 17 Sep 2018 91st KrausRaus 🇺🇸 432 95 39ms 1 Jan 2022 91st yzhs 🇩🇪 432 95 37ms 20 Jul 2022 94th biinari 427 96 39ms 27 Mar 2018 94th HallMatthew314 427 96 39ms 5 Dec 2021 96th ninjawarrior1337 418 98 38ms 1 Dec 2021 96th purp 418 98 45ms 13 Aug 2022 98th AnthonySuper 414 99 40ms 10 Nov 2017 99th ni3t 410 100 37ms 12 Dec 2018 100th CaAlden 402 102 39ms 11 May 2019 100th Eebil 402 102 39ms 20 Mar 2023 102nd chris-arsenault 398 103 43ms 2 Feb 2018 103rd iamsolarpowered 394 104 49ms 15 Dec 2017 103rd michaelrychly 394 104 39ms 3 May 2019 105th babcockd 390 105 43ms 19 Dec 2017 105th caerbannogwhite 390 105 59ms 13 Apr 2018 105th esmg1 390 105 41ms 21 Aug 2018 105th boxjelly 390 105 67ms 12 Feb 2021 105th alexjurkiewicz 🇦🇺 390 105 76ms 7 Nov 2023 110th flavono123 380 108 45ms 20 Dec 2019 111th jthorup84 376 109 41ms 22 Nov 2017 111th kirbyyourmom 🇬🇧 376 109 40ms 25 Feb 2021 113th graemewalters 363 113 40ms 24 Mar 2019 114th RubenBrocke 353 116 38ms 3 Jul 2019 115th zstearman3 347 118 40ms 12 Jul 2018 116th sacthedev 345 119 44ms 5 Apr 2018 117th segiddins 333 123 40ms 24 Aug 2018 117th DaCuteRaccoon 333 123 41ms 27 Apr 2022 119th yokasuretsu 325 126 65ms 16 Apr 2018 120th Noxilex 320 128 39ms 20 Mar 2019 121st idoschor 304 135 37ms 28 Dec 2020 122nd JRaspass 🇬🇧 291 141 38ms 12 Feb 2018 122nd retrohun 291 141 36ms 21 Dec 2018 122nd SpareManiKatti 291 141 34ms 19 Apr 2022 122nd KatieLG-Transpiler 🇬🇧 291 141 34ms 24 Jun 2022 122nd Mabeloid 🇳🇴 291 141 34ms 17 Sep 2024 122nd CaedenHarper 🇨🇦 291 141 33ms 13 Aug 2025 128th brianlwatson 250 164 38ms 3 Aug 2019 128th msbranicky 250 164 48ms 8 Sep 2023 130th mokymok 🇺🇸 233 176 33ms 8 Nov 2021 131st kittrz9 232 177 34ms 7 Dec 2017 132nd yhm138 96 426 38ms 16 Feb 2025 First Prev 81–132 of 132