Pernicious Numbers in all languages 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 797th btnlq 920 42 2,184ms 25 Oct 2024 797th JayXon 🇺🇸 920 42 2,213ms 27 Oct 2024 797th sean-niemann 🇺🇸 920 42 2,306ms 29 Oct 2024 797th emgordon154 920 42 2,081ms 20 Mar 2025 797th snoozingnewt 🇨🇦 920 42 2,055ms 20 Oct 2025 797th Steffan153 🇫🇮 920 42 2,098ms 75 mins ago 807th GrayJoKing 🇦🇺 920 46 13ms 23 Nov 2021 807th btnlq 920 46 13ms 9 Dec 2021 807th Lydxn 🇨🇦 920 46 13ms 9 Jan 2022 807th JayXon 🇺🇸 920 46 13ms 15 Feb 2022 807th lynn 920 46 13ms 30 Mar 2022 807th primo-ppcg 🇹🇭 920 46 12ms 2 Jun 2022 807th Steffan153 🇫🇮 920 46 12ms 24 Nov 2022 807th annaproxy 920 46 12ms 8 Jan 2023 807th Yewzir 🇧🇪 920 46 13ms 23 Feb 2024 807th ovs-code 🇩🇪 920 46 13ms 1 Jul 2024 807th DialFrost 🇸🇬 920 46 13ms 24 Mar 2025 807th sean-niemann 🇺🇸 920 46 13ms 25 Mar 2025 807th snoozingnewt 🇨🇦 920 46 13ms 8 Dec 2025 820th GrayJoKing 🇦🇺 919 48 78ms 6 Jun 2022 820th Lydxn 🇨🇦 919 48 73ms 6 Jun 2022 820th JayXon 🇺🇸 919 48 76ms 20 Mar 2023 820th Steffan153 🇫🇮 919 48 72ms 21 Mar 2023 820th Yewzir 🇧🇪 919 48 86ms 5 Mar 2024 820th jipsong 🇩🇪 919 48 72ms 10 Jun 2024 820th pardouin 🇫🇷 919 48 107ms 3 Sep 2024 820th sean-niemann 🇺🇸 919 48 72ms 18 Apr 2025 828th rucin93 🇵🇱 918 61 450ms 24 Sep 2025 828th Shanethegamer 🇺🇸 918 61 463ms 25 Sep 2025 828th FlyingPenguin223 918 61 483ms 25 Sep 2025 828th voytxt 🇨🇿 918 61 473ms 25 Sep 2025 828th MeWhenI 🇻🇦 918 61 490ms 7 Nov 2025 828th dokutan 918 61 478ms 2 Dec 2025 834th jared-hughes 918 68 52ms 20 Jul 2022 834th m-tkach 🇺🇦 918 68 52ms 15 Aug 2022 834th 09cf 918 68 58ms 25 Nov 2025 837th GrayJoKing 🇦🇺 916 34 352ms 19 Nov 2022 837th Betuaredead 916 34 341ms 14 Nov 2023 837th Yewzir 🇧🇪 916 34 359ms 14 Nov 2023 837th Shanethegamer 🇺🇸 916 34 347ms 10 Dec 2023 837th pardouin 🇫🇷 916 34 342ms 14 Sep 2024 842nd SirBogman 🇺🇸 916 39 424ms 15 Jan 2024 842nd AlephSquirrel 916 39 424ms 16 Jan 2024 842nd namelessiw 916 39 359ms 23 Jan 2024 842nd dokutan 916 39 412ms 26 Mar 2024 842nd alemelis 916 39 422ms 4 Oct 2024 842nd CornerMercury 🇬🇧 916 39 439ms 12 Oct 2025 842nd snoozingnewt 🇨🇦 916 39 363ms 20 Oct 2025 842nd GolfingSuccess 🇬🇷 916 39 430ms 29 Nov 2025 842nd BREMAUCY 🇫🇷 916 39 381ms 6 Dec 2025 851st Steffan153 🇫🇮 916 52 154ms 7 Aug 2024 852nd Lydxn 🇨🇦 915 49 35ms 13 Jun 2022 852nd primo-ppcg 🇹🇭 915 49 36ms 13 Jun 2022 852nd GrayJoKing 🇦🇺 915 49 37ms 22 Jun 2022 852nd JayXon 🇺🇸 915 49 35ms 9 Sep 2022 852nd MeWhenI 🇻🇦 915 49 34ms 5 Nov 2022 852nd Steffan153 🇫🇮 915 49 37ms 27 Nov 2022 852nd DialFrost 🇸🇬 915 49 36ms 13 Jan 2023 852nd sean-niemann 🇺🇸 915 49 37ms 21 Apr 2023 852nd prplz 🇦🇺 915 49 34ms 22 May 2023 852nd Yewzir 🇧🇪 915 49 35ms 12 Oct 2023 852nd Betuaredead 915 49 34ms 11 Nov 2023 852nd pardouin 🇫🇷 915 49 36ms 5 Oct 2024 852nd fuzzylojik-golf 🇺🇸 915 49 37ms 6 Sep 2025 852nd CaedenHarper 🇨🇦 915 49 38ms 27 Oct 2025 866th UnderKoen 🇳🇱 915 58 1ms 6 Jul 2022 866th sisyphus-ppcg 🇦🇺 915 58 1ms 7 Jul 2022 866th m-tkach 🇺🇦 915 58 2ms 8 Mar 2023 866th orthoplex 🇨🇽 915 58 1ms 29 Jun 2023 866th Lydxn 🇨🇦 915 58 2ms 19 Jul 2023 871st Natanaelel 🇸🇪 914 36 9ms 25 Jun 2022 871st scpchicken 🇵🇼 914 36 9ms 25 Feb 2023 871st Yax42 🇫🇷 914 36 9ms 5 Sep 2025 874th Steffan153 🇫🇮 914 40 3ms 12 Aug 2024 874th btnlq 914 40 3ms 18 Aug 2024 874th sean-niemann 🇺🇸 914 40 4ms 11 Oct 2024 877th kkoenig 914 50 1ms 4 Jan 2024 877th namelessiw 914 50 1ms 11 Mar 2024 877th dokutan 914 50 1ms 27 Apr 2024 877th FlyingPenguin223 914 50 1ms 18 Dec 2024 First Prev 801–880 of 3,332 Next Last