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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript 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 ><> 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 ALGOL 68 APL ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 79th jetpks 477 86 43ms 27 Jun 2019 79th ejini6969 477 86 41ms 1 Apr 2023 83rd rlue 471 87 45ms 8 Nov 2017 84th gilufin 456 90 40ms 23 May 2021 85th aydamak 451 91 47ms 15 May 2024 86th snltd 446 92 40ms 14 Aug 2019 87th HumanoidCPU 441 93 35ms 10 Jan 2025 88th atayarani 436 94 61ms 17 Jan 2019 88th TheZwierzLF 🇵🇱 436 94 39ms 16 Dec 2025 90th robymus 432 95 85ms 17 Sep 2018 90th KrausRaus 🇺🇸 432 95 44ms 1 Jan 2022 90th yzhs 🇩🇪 432 95 39ms 20 Jul 2022 93rd biinari 427 96 44ms 27 Mar 2018 93rd HallMatthew314 427 96 37ms 5 Dec 2021 95th ninjawarrior1337 418 98 44ms 1 Dec 2021 95th purp 418 98 42ms 13 Aug 2022 97th AnthonySuper 414 99 64ms 10 Nov 2017 98th ni3t 410 100 41ms 12 Dec 2018 99th CaAlden 402 102 40ms 11 May 2019 99th Eebil 402 102 39ms 20 Mar 2023 101st chris-arsenault 398 103 47ms 2 Feb 2018 102nd iamsolarpowered 394 104 58ms 15 Dec 2017 102nd michaelrychly 394 104 41ms 3 May 2019 104th babcockd 390 105 39ms 19 Dec 2017 104th caerbannogwhite 390 105 62ms 13 Apr 2018 104th esmg1 390 105 40ms 21 Aug 2018 104th boxjelly 390 105 67ms 12 Feb 2021 104th alexjurkiewicz 🇦🇺 390 105 80ms 7 Nov 2023 109th flavono123 380 108 41ms 20 Dec 2019 110th jthorup84 376 109 43ms 22 Nov 2017 110th kirbyyourmom 🇬🇧 376 109 44ms 25 Feb 2021 112th graemewalters 363 113 41ms 24 Mar 2019 113th RubenBrocke 353 116 40ms 3 Jul 2019 114th zstearman3 347 118 42ms 12 Jul 2018 115th sacthedev 345 119 42ms 5 Apr 2018 116th segiddins 333 123 42ms 24 Aug 2018 116th DaCuteRaccoon 333 123 40ms 27 Apr 2022 118th yokasuretsu 325 126 67ms 16 Apr 2018 119th Noxilex 320 128 38ms 20 Mar 2019 120th idoschor 304 135 40ms 28 Dec 2020 121st JRaspass 🇬🇧 291 141 36ms 12 Feb 2018 121st retrohun 291 141 35ms 21 Dec 2018 121st SpareManiKatti 291 141 35ms 19 Apr 2022 121st KatieLG-Transpiler 🇬🇧 291 141 36ms 24 Jun 2022 121st Mabeloid 🇳🇴 291 141 38ms 17 Sep 2024 121st CaedenHarper 🇨🇦 291 141 37ms 13 Aug 2025 127th brianlwatson 250 164 44ms 3 Aug 2019 127th msbranicky 250 164 50ms 8 Sep 2023 129th mokymok 🇺🇸 233 176 41ms 8 Nov 2021 130th kittrz9 232 177 37ms 7 Dec 2017 131st yhm138 96 426 38ms 16 Feb 2025 First Prev 81–131 of 131