Pernicious Numbers in Ruby 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 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 Bytes Time Submitted 80th handisb 492 59 37ms 26 Oct 2019 82nd sapphyrus 483 60 40ms 18 Feb 2020 82nd nif33 483 60 36ms 30 Jul 2022 84th flavono123 475 61 37ms 16 Jul 2019 84th aksyristos 475 61 44ms 2 Feb 2023 84th msbranicky 475 61 37ms 5 Sep 2023 87th PikeIt 468 62 38ms 27 Jun 2023 87th olleicua 🇺🇸 468 62 40ms 3 Feb 2024 87th TheZwierzLF 🇵🇱 468 62 37ms 21 Dec 2025 90th robymus 460 63 35ms 17 Sep 2018 90th aydamak 460 63 39ms 17 May 2024 92nd snltd 453 64 41ms 18 Aug 2019 92nd LostSyntax21 🇬🇧 453 64 41ms 22 Aug 2024 94th nlc 446 65 35ms 18 Dec 2017 94th rbviz 446 65 40ms 28 Mar 2021 96th aaronze 🇦🇺 439 66 38ms 17 Sep 2023 97th ajc2 433 67 43ms 1 May 2018 97th acornellier 433 67 42ms 8 Dec 2018 97th 0xddom 433 67 48ms 18 Dec 2019 100th Eebil 426 68 37ms 17 Mar 2023 101st stevehodges 420 69 39ms 9 Nov 2017 101st pandapawskat 420 69 38ms 7 Oct 2021 103rd HallMatthew314 403 72 36ms 21 Dec 2021 104th JeremyC-za 397 73 41ms 29 Nov 2017 105th babcockd 372 78 43ms 19 Dec 2017 106th bryanmytko 367 79 41ms 27 Sep 2023 107th FnControlOption 354 82 41ms 21 Aug 2022 108th adoxography 349 83 47ms 1 Jun 2018 109th atayarani 326 89 43ms 18 Jan 2019 109th HumanoidCPU 326 89 42ms 6 Jun 2024 111th ninjawarrior1337 302 96 41ms 1 Dec 2021 112th segiddins 287 101 33ms 24 Aug 2018 113th JRaspass 🇬🇧 276 105 36ms 12 Feb 2018 113th retrohun 276 105 35ms 21 Dec 2018 113th KatieLG-Transpiler 🇬🇧 276 105 35ms 24 Jun 2022 113th Mabeloid 🇳🇴 276 105 36ms 3 Oct 2024 117th Ralac07 🇦🇺 252 115 34ms 17 Jun 2024 118th graemewalters 232 125 41ms 23 Mar 2019 119th mokymok 🇺🇸 207 140 36ms 11 Nov 2021 First Prev 81–119 of 119
handisb
sapphyrus
nif33
flavono123
aksyristos
msbranicky
PikeIt
olleicua
🇺🇸
TheZwierzLF
🇵🇱
robymus
aydamak
snltd
LostSyntax21
🇬🇧
nlc
rbviz
aaronze
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ajc2
acornellier
0xddom
Eebil
stevehodges
pandapawskat
HallMatthew314
JeremyC-za
babcockd
bryanmytko
FnControlOption
adoxography
atayarani
HumanoidCPU
ninjawarrior1337
segiddins
JRaspass
🇬🇧
retrohun
KatieLG-Transpiler
🇬🇧
Mabeloid
🇳🇴
Ralac07
🇦🇺
graemewalters
mokymok
🇺🇸