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Pernicious Numbers in JavaScript 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 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 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 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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 80th user189032 618 55 12ms 29 May 2019 80th bac0id 618 55 9ms 6 Jul 2024 83rd weliveinhell 🇭🇹 607 56 11ms 21 May 2024 84th neihousaigaai 596 57 10ms 19 Mar 2021 85th j55d 586 58 10ms 11 Dec 2017 85th daisy-lau 586 58 9ms 29 May 2020 85th NickTheEASDude 🇺🇸 586 58 10ms 11 Apr 2024 88th dee-gomma 576 59 52ms 8 Apr 2019 89th skps2010 557 61 12ms 4 Jan 2019 89th PatrickStephansen 🇿🇦 557 61 10ms 25 Feb 2021 89th HumanoidCPU 557 61 11ms 19 Feb 2025 92nd KatieLG 🇬🇧 548 62 11ms 15 Apr 2021 92nd BambooleanLogic 🇸🇪 548 62 11ms 1 Dec 2021 92nd dylanarmstrong 548 62 9ms 25 Jan 2024 92nd two-bad 🇬🇧 548 62 10ms 13 Feb 2024 92nd draem 548 62 11ms 1 Aug 2024 97th nss213 540 63 10ms 30 Sep 2018 97th squadb3 540 63 10ms 11 Oct 2019 99th didion0 🇺🇸 531 64 9ms 11 Feb 2021 99th Re-Adventures 🇮🇳 531 64 10ms 8 Nov 2021 99th eranws 531 64 10ms 23 Dec 2024 102nd omurakazuaki 🇯🇵 523 65 9ms 21 Sep 2019 102nd igmcdowell 523 65 10ms 6 Jan 2022 102nd daniel-cardone 523 65 10ms 24 Aug 2023 105th ian-odonnell 507 67 10ms 16 Mar 2018 105th KingSkyrock 🇺🇸 507 67 12ms 16 Feb 2022 105th Andrey-Plotnikov 507 67 10ms 26 Jun 2025 108th xkacer 🇨🇿 500 68 12ms 5 Feb 2021 109th kevlened 493 69 15ms 22 Oct 2018 109th GeorgeStechman 🇬🇧 493 69 32ms 7 Jun 2022 109th balloffur 493 69 11ms 1 Jan 2026 112th dsntzn 🇸🇰 486 70 9ms 21 Aug 2020 112th ArmaanAS 486 70 9ms 8 Mar 2021 112th kozgera 486 70 10ms 12 May 2021 112th raszpi 🇭🇺 486 70 10ms 3 Sep 2023 112th ejini6969 486 70 10ms 14 Jun 2025 117th wansacis 🇩🇪 479 71 12ms 28 Jul 2021 117th acer-xq 479 71 10ms 4 Feb 2025 119th McErer 472 72 9ms 12 Jan 2019 119th elisherer 🇮🇱 472 72 9ms 31 Mar 2019 121st caasinehc 466 73 9ms 16 Oct 2018 121st pbarath 466 73 10ms 12 May 2021 123rd handisb 459 74 13ms 26 Oct 2019 123rd modellking 459 74 10ms 3 Jun 2020 123rd inverseLorentz 🇦🇺 459 74 9ms 11 Jun 2022 123rd Michiocre 459 74 9ms 20 Feb 2024 123rd acollett89 459 74 9ms 5 Aug 2025 128th alasdair-greenland 453 75 10ms 10 Nov 2021 128th MathisBullinger 453 75 9ms 28 Nov 2021 128th Giga-Bowser 453 75 17ms 14 Dec 2021 131st jackkav 447 76 10ms 24 Apr 2018 131st mrxz 🇳🇱 447 76 9ms 23 Jun 2019 131st synchromic 447 76 10ms 9 May 2020 131st kydogia 447 76 10ms 18 Oct 2022 131st junkondo-jp 447 76 9ms 30 May 2024 136th Miles-1000 🇬🇧 442 77 9ms 8 Mar 2021 136th raphaelimahorn 442 77 10ms 23 Aug 2023 138th sethimcclaine 436 78 14ms 5 Apr 2019 139th OmegaB0t 430 79 12ms 6 Jan 2020 139th jhunterkohler 430 79 11ms 19 May 2021 141st xyangst 425 80 9ms 8 Oct 2024 142nd randolchance 420 81 10ms 24 Dec 2022 143rd uttumuttu 🇫🇮 415 82 11ms 4 Jan 2022 143rd Ploverums 415 82 10ms 29 Sep 2022 145th ollybrabs 405 84 9ms 22 Feb 2019 145th lukasmoellerch 405 84 10ms 5 Oct 2019 147th adamnielson42 🇺🇸 400 85 10ms 25 Apr 2023 147th dgerblick 400 85 9ms 16 Jun 2023 149th msbranicky 395 86 10ms 7 Sep 2023 149th gigaprofisi 🇺🇸 395 86 13ms 23 Jun 2025 151st RDShah 386 88 12ms 15 Apr 2021 151st zakariamouhid 386 88 12ms 20 May 2023 153rd Caylyn 374 91 10ms 22 Dec 2018 153rd owen-c-parker 🇺🇸 374 91 11ms 3 Apr 2023 155th tomh1012 370 92 10ms 17 Sep 2020 156th Nuottajarvi 366 93 11ms 10 Aug 2018 157th aaronze 🇦🇺 362 94 12ms 27 Apr 2021 158th stadamdoki 358 95 11ms 11 May 2021 159th gnlow 🇰🇷 354 96 12ms 27 Jan 2022 159th jorbDehmel 🇺🇸 354 96 10ms 15 Apr 2023 First Prev 81–160 of 202 Next Last