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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 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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 580th snoozingnewt 🇺🇸 926 40 2ms 20 Oct 2025 602nd inventshah 926 42 2ms 9 Sep 2022 602nd Lydxn 🇨🇦 926 42 2ms 9 Sep 2022 602nd JayXon 🇺🇸 926 42 2ms 10 Sep 2022 602nd btnlq 926 42 2ms 10 Sep 2022 602nd GrayJoKing 🇦🇺 926 42 2ms 11 Sep 2022 602nd m-tkach 🇺🇦 926 42 2ms 25 Oct 2022 602nd sean-niemann 🇺🇸 926 42 2ms 3 Nov 2022 602nd MeWhenI 🇻🇦 926 42 2ms 5 Nov 2022 602nd DialFrost 🇸🇬 926 42 2ms 12 Jan 2023 602nd Steffan153 🇫🇮 926 42 2ms 12 Jan 2023 602nd Shanethegamer 🇺🇸 926 42 2ms 6 Feb 2023 602nd sisyphus-ppcg 🇦🇺 926 42 2ms 23 Mar 2023 602nd prplz 🇦🇺 926 42 2ms 23 May 2023 602nd ovs-code 🇩🇪 926 42 2ms 17 Jul 2023 602nd Yewzir 🇧🇪 926 42 2ms 11 Oct 2023 602nd Betuaredead 926 42 2ms 11 Nov 2023 602nd dokutan 926 42 2ms 27 Mar 2024 602nd pardouin 🇫🇷 926 42 2ms 20 Aug 2024 602nd stefangimmillaro 926 42 2ms 30 Sep 2024 602nd fuzzylojik-golf 🇺🇸 926 42 2ms 18 Jul 2025 602nd edsrzf 🇳🇿 926 42 2ms 22 Jul 2025 602nd snoozingnewt 🇺🇸 926 42 2ms 20 Oct 2025 624th edsrzf 🇳🇿 924 32 660ms 4 Sep 2025 624th DialFrost 🇸🇬 924 32 661ms 4 Sep 2025 624th CaedenHarper 🇨🇦 924 32 635ms 9 Sep 2025 624th sean-niemann 🇺🇸 924 32 651ms 12 Sep 2025 624th fuzzylojik-golf 🇺🇸 924 32 653ms 22 Sep 2025 624th snoozingnewt 🇺🇸 924 32 645ms 20 Oct 2025 624th xsot 🇸🇬 924 32 658ms 16 days ago 624th Yewzir 🇧🇪 924 32 650ms 14 days ago 632nd Lydxn 🇨🇦 924 38 71ms 12 Dec 2022 632nd ovs-code 🇩🇪 924 38 69ms 22 Apr 2024 632nd DialFrost 🇸🇬 924 38 67ms 27 May 2024 632nd sean-niemann 🇺🇸 924 38 67ms 12 Jul 2024 632nd Steffan153 🇫🇮 924 38 68ms 13 Jul 2024 632nd pardouin 🇫🇷 924 38 67ms 19 Aug 2024 638th JayXon 🇺🇸 923 82 264ms 9 Feb 2021 638th GrayJoKing 🇦🇺 923 82 256ms 9 Feb 2021 638th primo-ppcg 🇹🇭 923 82 254ms 9 Feb 2021 638th sisyphus-ppcg 🇦🇺 923 82 254ms 10 Feb 2021 638th prplz 🇦🇺 923 82 255ms 10 Feb 2021 638th Lydxn 🇨🇦 923 82 256ms 10 Feb 2021 638th NewDefectus 🇮🇱 923 82 258ms 8 May 2021 638th lynn 923 82 258ms 11 Sep 2021 638th akshatj27 🇦🇶 923 82 250ms 11 Jan 2022 638th inventshah 923 82 258ms 11 Sep 2022 638th sean-niemann 🇺🇸 923 82 256ms 3 Nov 2022 638th stefangimmillaro 923 82 256ms 4 Nov 2022 638th MeWhenI 🇻🇦 923 82 252ms 5 Nov 2022 638th emplv 🇱🇻 923 82 256ms 22 Nov 2022 638th Steffan153 🇫🇮 923 82 252ms 26 Nov 2022 638th DialFrost 🇸🇬 923 82 261ms 12 Jan 2023 638th Shanethegamer 🇺🇸 923 82 249ms 6 Feb 2023 638th Yewzir 🇧🇪 923 82 283ms 20 Oct 2023 638th Betuaredead 923 82 256ms 11 Nov 2023 638th kkoenig 923 82 259ms 4 Jan 2024 638th dokutan 923 82 262ms 26 Mar 2024 638th pardouin 🇫🇷 923 82 257ms 18 Aug 2024 638th CaedenHarper 🇨🇦 923 82 250ms 1 Dec 2024 638th emgordon154 923 82 279ms 19 Mar 2025 638th b-illy 🇬🇧 923 82 248ms 5 Jun 2025 638th fuzzylojik-golf 🇺🇸 923 82 253ms 17 Jun 2025 638th edsrzf 🇳🇿 923 82 253ms 22 Jul 2025 638th KasperKivimaeki 🇫🇮 923 82 251ms 29 Sep 2025 638th snoozingnewt 🇺🇸 923 82 252ms 20 Oct 2025 667th HPWiz 🇳🇿 922 36 46ms 12 Mar 2022 668th Kacarott 🇦🇺 922 42 69ms 16 May 2024 668th error256 922 42 68ms 16 May 2024 670th primo-ppcg 🇹🇭 922 44 1,277ms 28 May 2021 670th JayXon 🇺🇸 922 44 1,269ms 28 May 2021 670th lynn 922 44 1,303ms 28 May 2021 670th prplz 🇦🇺 922 44 1,266ms 12 Oct 2021 670th Lydxn 🇨🇦 922 44 1,302ms 25 Oct 2021 670th GrayJoKing 🇦🇺 922 44 1,276ms 26 Oct 2021 First Prev 601–675 of 3,232 Next Last