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 Multitap Input 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 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 Multitap Input 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 Chars Time Submitted 400th primo-ppcg 🇹🇭 937 33 3ms 20 May 2021 400th Lydxn 🇨🇦 937 33 5ms 29 May 2022 403rd JayXon 🇺🇸 936 38 86ms 27 Sep 2021 403rd Lydxn 🇨🇦 936 38 89ms 27 Sep 2021 403rd stefangimmillaro 936 38 83ms 4 Nov 2022 403rd MeWhenI 🇻🇦 936 38 86ms 5 Nov 2022 403rd Shanethegamer 🇺🇸 936 38 86ms 6 Feb 2023 403rd DialFrost 🇸🇬 936 38 89ms 6 Feb 2023 403rd Steffan153 🇫🇮 936 38 84ms 7 Feb 2023 403rd sean-niemann 🇺🇸 936 38 86ms 7 Feb 2023 403rd ovs-code 🇩🇪 936 38 83ms 17 Jul 2023 403rd Yewzir 🇧🇪 936 38 84ms 11 Oct 2023 403rd Betuaredead 936 38 86ms 11 Nov 2023 403rd dokutan 936 38 86ms 28 Jul 2024 403rd pardouin 🇫🇷 936 38 85ms 20 Aug 2024 403rd primo-ppcg 🇹🇭 936 38 84ms 12 Apr 2025 403rd edsrzf 🇳🇿 936 38 85ms 22 Jul 2025 403rd fuzzylojik-golf 🇺🇸 936 38 89ms 7 Aug 2025 403rd snoozingnewt 🇨🇦 936 38 86ms 20 Oct 2025 420th prplz 🇦🇺 935 55 118ms 13 Jan 2022 420th GrayJoKing 🇦🇺 935 55 118ms 13 Jan 2022 420th JayXon 🇺🇸 935 55 122ms 13 Jan 2022 420th Lydxn 🇨🇦 935 55 121ms 13 Jan 2022 420th primo-ppcg 🇹🇭 935 55 126ms 14 Jan 2022 420th lynn 935 55 119ms 10 Mar 2022 420th inventshah 935 55 120ms 15 Jun 2022 420th sisyphus-ppcg 🇦🇺 935 55 126ms 8 Aug 2022 420th sean-niemann 🇺🇸 935 55 122ms 3 Nov 2022 420th stefangimmillaro 935 55 131ms 4 Nov 2022 420th andersk 🇺🇸 935 55 118ms 5 Nov 2022 420th MeWhenI 🇻🇦 935 55 118ms 6 Nov 2022 420th Steffan153 🇫🇮 935 55 123ms 27 Nov 2022 420th DialFrost 🇸🇬 935 55 118ms 12 Jan 2023 420th rucin93 🇵🇱 935 55 115ms 19 Jan 2023 420th Shanethegamer 🇺🇸 935 55 116ms 6 Feb 2023 420th ovs-code 🇩🇪 935 55 133ms 17 Jul 2023 420th Yewzir 🇧🇪 935 55 120ms 11 Oct 2023 420th Betuaredead 935 55 114ms 11 Nov 2023 420th dokutan 935 55 120ms 27 Mar 2024 420th pardouin 🇫🇷 935 55 117ms 19 Aug 2024 420th acotis 935 55 120ms 4 Feb 2025 420th emgordon154 935 55 123ms 19 Mar 2025 420th fuzzylojik-golf 🇺🇸 935 55 116ms 17 Jun 2025 420th edsrzf 🇳🇿 935 55 117ms 22 Jul 2025 420th kumavale 935 55 120ms 26 Aug 2025 420th snoozingnewt 🇨🇦 935 55 115ms 20 Oct 2025 447th henkma 934 51 111ms 26 Jun 2020 447th lynn 934 51 113ms 8 Oct 2021 449th edsrzf 🇳🇿 934 60 540ms 26 Sep 2025 449th DialFrost 🇸🇬 934 60 442ms 26 Sep 2025 449th sean-niemann 🇺🇸 934 60 455ms 26 Sep 2025 449th JayXon 🇺🇸 934 60 435ms 26 Sep 2025 449th pardouin 🇫🇷 934 60 546ms 26 Sep 2025 449th fuzzylojik-golf 🇺🇸 934 60 488ms 26 Sep 2025 449th namelessiw 934 60 435ms 2 Oct 2025 449th Yewzir 🇧🇪 934 60 416ms 2 Oct 2025 449th Yax42 🇫🇷 934 60 502ms 3 Oct 2025 449th b-illy 🇬🇧 934 60 454ms 3 Oct 2025 449th ovs-code 🇩🇪 934 60 435ms 3 Oct 2025 449th CaedenHarper 🇨🇦 934 60 443ms 3 Oct 2025 449th m-tkach 🇺🇦 934 60 633ms 3 Oct 2025 449th stefangimmillaro 934 60 416ms 6 Oct 2025 449th snoozingnewt 🇨🇦 934 60 522ms 20 Oct 2025 449th sisyphus-ppcg 🇦🇺 934 60 485ms 22 days ago 449th Lydxn 🇨🇦 934 60 347ms 6 days ago 449th KasperKivimaeki 🇫🇮 934 60 377ms 5 days ago 467th rak1507 🇬🇧 933 18 2ms 11 Mar 2022 467th lynn 933 18 2ms 27 May 2022 467th Steffan153 🇫🇮 933 18 2ms 22 Feb 2023 467th pardouin 🇫🇷 933 18 2ms 16 Apr 2025 467th AdrienHache 🇫🇷 933 18 4ms 16 days ago 472nd NewDefectus 🇮🇱 933 29 34ms 8 May 2021 472nd akshatj27 🇦🇶 933 29 41ms 11 Jan 2022 472nd m-tkach 🇺🇦 933 29 36ms 23 Nov 2022 472nd Steffan153 🇫🇮 933 29 39ms 1 Jan 2023 472nd DialFrost 🇸🇬 933 29 35ms 13 Jan 2023 472nd sean-niemann 🇺🇸 933 29 43ms 29 Jan 2023 472nd MeWhenI 🇻🇦 933 29 50ms 30 Jan 2023 472nd JayXon 🇺🇸 933 29 32ms 25 Dec 2023 472nd sisyphus-ppcg 🇦🇺 933 29 53ms 25 Dec 2023 First Prev 401–480 of 3,270 Next Last