Pernicious Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 594th sean-niemann 🇺🇸 928 37 2ms 23 Oct 2023 594th xsot 🇸🇬 928 37 2ms 8 Feb 2024 594th Yewzir 🇧🇪 928 37 2ms 2 Mar 2024 594th pardouin 🇫🇷 928 37 2ms 20 Aug 2024 594th edsrzf 🇳🇿 928 37 3ms 4 Sep 2025 606th inventshah 926 40 2ms 30 Oct 2022 606th Lydxn 🇨🇦 926 40 1ms 30 Oct 2022 606th GrayJoKing 🇦🇺 926 40 1ms 3 Nov 2022 606th sisyphus-ppcg 🇦🇺 926 40 2ms 3 Nov 2022 606th sean-niemann 🇺🇸 926 40 1ms 4 Nov 2022 606th btnlq 926 40 1ms 5 Nov 2022 606th MeWhenI 🇻🇦 926 40 1ms 5 Nov 2022 606th primo-ppcg 🇹🇭 926 40 1ms 6 Nov 2022 606th Steffan153 🇫🇮 926 40 1ms 26 Nov 2022 606th DialFrost 🇸🇬 926 40 2ms 12 Jan 2023 606th prplz 🇦🇺 926 40 2ms 12 Jan 2023 606th Shanethegamer 🇺🇸 926 40 2ms 6 Feb 2023 606th JayXon 🇺🇸 926 40 1ms 16 Mar 2023 606th xsot 🇸🇬 926 40 2ms 14 Jul 2023 606th Yewzir 🇧🇪 926 40 2ms 12 Oct 2023 606th Betuaredead 926 40 1ms 11 Nov 2023 606th pardouin 🇫🇷 926 40 2ms 17 Aug 2024 606th fuzzylojik-golf 🇺🇸 926 40 2ms 1 Jul 2025 606th edsrzf 🇳🇿 926 40 2ms 4 Sep 2025 606th snoozingnewt 🇺🇸 926 40 2ms 20 Oct 2025 626th inventshah 926 42 2ms 9 Sep 2022 626th Lydxn 🇨🇦 926 42 2ms 9 Sep 2022 626th JayXon 🇺🇸 926 42 2ms 10 Sep 2022 626th btnlq 926 42 2ms 10 Sep 2022 626th GrayJoKing 🇦🇺 926 42 2ms 11 Sep 2022 626th m-tkach 🇺🇦 926 42 2ms 25 Oct 2022 626th sean-niemann 🇺🇸 926 42 2ms 3 Nov 2022 626th MeWhenI 🇻🇦 926 42 2ms 5 Nov 2022 626th DialFrost 🇸🇬 926 42 2ms 12 Jan 2023 626th Steffan153 🇫🇮 926 42 2ms 12 Jan 2023 626th Shanethegamer 🇺🇸 926 42 2ms 6 Feb 2023 626th sisyphus-ppcg 🇦🇺 926 42 2ms 23 Mar 2023 626th prplz 🇦🇺 926 42 2ms 23 May 2023 626th ovs-code 🇩🇪 926 42 2ms 17 Jul 2023 626th Yewzir 🇧🇪 926 42 2ms 11 Oct 2023 626th Betuaredead 926 42 2ms 11 Nov 2023 626th dokutan 926 42 2ms 27 Mar 2024 626th pardouin 🇫🇷 926 42 2ms 20 Aug 2024 626th stefangimmillaro 926 42 2ms 30 Sep 2024 626th fuzzylojik-golf 🇺🇸 926 42 2ms 18 Jul 2025 626th edsrzf 🇳🇿 926 42 2ms 22 Jul 2025 626th snoozingnewt 🇺🇸 926 42 2ms 20 Oct 2025 648th Lydxn 🇨🇦 925 40 4ms 23 May 2023 648th primo-ppcg 🇹🇭 925 40 3ms 23 May 2023 648th GrayJoKing 🇦🇺 925 40 3ms 12 Aug 2023 648th kg583 🇺🇸 925 40 3ms 16 Oct 2025 652nd edsrzf 🇳🇿 924 32 660ms 4 Sep 2025 652nd DialFrost 🇸🇬 924 32 661ms 4 Sep 2025 652nd CaedenHarper 🇨🇦 924 32 635ms 9 Sep 2025 652nd sean-niemann 🇺🇸 924 32 651ms 12 Sep 2025 652nd fuzzylojik-golf 🇺🇸 924 32 653ms 22 Sep 2025 652nd snoozingnewt 🇺🇸 924 32 645ms 20 Oct 2025 652nd xsot 🇸🇬 924 32 658ms 5 days ago 652nd Yewzir 🇧🇪 924 32 650ms 3 days ago 660th Lydxn 🇨🇦 924 38 71ms 12 Dec 2022 660th ovs-code 🇩🇪 924 38 69ms 22 Apr 2024 660th DialFrost 🇸🇬 924 38 68ms 27 May 2024 660th sean-niemann 🇺🇸 924 38 67ms 12 Jul 2024 660th Steffan153 🇫🇮 924 38 68ms 13 Jul 2024 660th pardouin 🇫🇷 924 38 67ms 19 Aug 2024 666th Yewzir 🇧🇪 924 41 97ms 22 Dec 2024 666th dokutan 924 41 96ms 22 Dec 2024 666th DialFrost 🇸🇬 924 41 97ms 22 Dec 2024 666th rucin93 🇵🇱 924 41 105ms 22 Dec 2024 666th JayXon 🇺🇸 924 41 100ms 22 Dec 2024 666th Shanethegamer 🇺🇸 924 41 90ms 22 Dec 2024 666th pardouin 🇫🇷 924 41 103ms 22 Dec 2024 666th MeWhenI 🇻🇦 924 41 97ms 23 Dec 2024 666th sean-niemann 🇺🇸 924 41 105ms 23 Dec 2024 666th inventshah 924 41 113ms 23 Dec 2024 First Prev 601–675 of 3,241 Next Last