Pernicious Numbers in all languages 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 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 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 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 508th Betuaredead 931 41 117ms 11 Nov 2023 508th dokutan 931 41 117ms 26 Mar 2024 508th pardouin 🇫🇷 931 41 116ms 17 Aug 2024 508th edsrzf 🇳🇿 931 41 122ms 22 Jul 2025 508th rucin93 🇵🇱 931 41 118ms 24 Jul 2025 508th fuzzylojik-golf 🇺🇸 931 41 119ms 7 Aug 2025 508th snoozingnewt 🇺🇸 931 41 149ms 119 mins ago 533rd Lydxn 🇨🇦 931 67 51ms 1 Jan 2022 533rd prplz 🇦🇺 931 67 49ms 1 Jan 2022 533rd JayXon 🇺🇸 931 67 53ms 1 Jan 2022 533rd primo-ppcg 🇹🇭 931 67 53ms 18 Jan 2022 533rd GrayJoKing 🇦🇺 931 67 52ms 18 Feb 2022 533rd Irratix 🇳🇱 931 67 52ms 22 Mar 2022 533rd inventshah 931 67 54ms 15 Jun 2022 533rd sean-niemann 🇺🇸 931 67 54ms 4 Nov 2022 533rd MeWhenI 🇻🇦 931 67 53ms 5 Nov 2022 533rd Steffan153 🇫🇮 931 67 51ms 27 Nov 2022 533rd DialFrost 🇸🇬 931 67 53ms 12 Jan 2023 533rd Shanethegamer 🇺🇸 931 67 51ms 6 Feb 2023 533rd Alex-x90 🇺🇸 931 67 52ms 24 Feb 2023 533rd sisyphus-ppcg 🇦🇺 931 67 51ms 23 Mar 2023 533rd rucin93 🇵🇱 931 67 52ms 20 Jun 2023 533rd xsot 🇸🇬 931 67 50ms 14 Jul 2023 533rd ovs-code 🇩🇪 931 67 51ms 17 Jul 2023 533rd Yewzir 🇧🇪 931 67 52ms 11 Oct 2023 533rd Betuaredead 931 67 52ms 11 Nov 2023 533rd pardouin 🇫🇷 931 67 50ms 17 Aug 2024 533rd b-illy 🇬🇧 931 67 54ms 5 Jun 2025 533rd fuzzylojik-golf 🇺🇸 931 67 52ms 19 Aug 2025 533rd edsrzf 🇳🇿 931 67 56ms 4 Sep 2025 533rd CaedenHarper 🇨🇦 931 67 52ms 4 Sep 2025 533rd KasperKivimaeki 🇫🇮 931 67 52ms 15 days ago 533rd snoozingnewt 🇺🇸 931 67 58ms 4 hours ago 559th o0lit3 🇺🇸 930 22 98ms 11 Feb 2021 559th SirBogman 🇺🇸 930 22 97ms 31 May 2022 559th Betuaredead 930 22 99ms 12 Nov 2023 559th snoozingnewt 🇺🇸 930 22 94ms 54 mins ago 563rd lukegustafson 🇺🇸 929 35 122ms 4 Aug 2024 563rd JayXon 🇺🇸 929 35 127ms 4 Aug 2024 563rd Lydxn 🇨🇦 929 35 125ms 6 Aug 2024 563rd Steffan153 🇫🇮 929 35 124ms 6 Aug 2024 563rd sean-niemann 🇺🇸 929 35 129ms 6 Feb 2025 568th NewDefectus 🇮🇱 928 22 35ms 10 Oct 2021 568th yzhs 🇩🇪 928 22 35ms 20 Jul 2022 568th saltysylvi 928 22 35ms 5 Aug 2022 568th ashtraypettingzoo 🇺🇸 928 22 39ms 22 Feb 2023 568th MeWhenI 🇻🇦 928 22 33ms 7 Aug 2023 568th Yewzir 🇧🇪 928 22 36ms 6 Nov 2023 568th Natanaelel 🇸🇪 928 22 42ms 28 Nov 2023 568th orthoplex 🇨🇽 928 22 36ms 20 Jul 2024 576th Lydxn 🇨🇦 928 37 3ms 29 Sep 2022 576th GrayJoKing 🇦🇺 928 37 2ms 29 Sep 2022 576th DialFrost 🇸🇬 928 37 2ms 24 Jan 2023 576th Steffan153 🇫🇮 928 37 2ms 3 Feb 2023 576th sisyphus-ppcg 🇦🇺 928 37 3ms 4 Feb 2023 576th prplz 🇦🇺 928 37 2ms 18 May 2023 576th ovs-code 🇩🇪 928 37 2ms 17 Jul 2023 576th sean-niemann 🇺🇸 928 37 2ms 23 Oct 2023 576th xsot 🇸🇬 928 37 2ms 8 Feb 2024 576th Yewzir 🇧🇪 928 37 2ms 2 Mar 2024 576th pardouin 🇫🇷 928 37 2ms 20 Aug 2024 576th edsrzf 🇳🇿 928 37 3ms 4 Sep 2025 588th inventshah 926 40 2ms 30 Oct 2022 588th Lydxn 🇨🇦 926 40 1ms 30 Oct 2022 588th GrayJoKing 🇦🇺 926 40 1ms 3 Nov 2022 588th sisyphus-ppcg 🇦🇺 926 40 2ms 3 Nov 2022 588th sean-niemann 🇺🇸 926 40 1ms 4 Nov 2022 588th btnlq 926 40 1ms 5 Nov 2022 588th MeWhenI 🇻🇦 926 40 1ms 5 Nov 2022 588th primo-ppcg 🇹🇭 926 40 1ms 6 Nov 2022 588th Steffan153 🇫🇮 926 40 1ms 26 Nov 2022 588th Steffan153 🇫🇮 926 40 116ms 11 Jan 2023 588th DialFrost 🇸🇬 926 40 2ms 12 Jan 2023 588th prplz 🇦🇺 926 40 2ms 12 Jan 2023 588th Shanethegamer 🇺🇸 926 40 2ms 6 Feb 2023 First Prev 526–600 of 3,238 Next Last