Pernicious Numbers in Python 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Chars Time Submitted 285th Fracture17 702 57 9ms 13 Apr 2023 285th kaptsanovb 702 57 9ms 9 Jun 2023 285th WillConker 702 57 11ms 16 Jul 2023 285th chartung17 702 57 9ms 31 Dec 2023 285th Terobero 702 57 10ms 21 Aug 2024 285th ImpressedByRocks 702 57 10ms 28 Oct 2024 285th osNiko 🇧🇷 702 57 9ms 20 Aug 2025 285th michelebastione 🇮🇹 702 57 9ms 28 Aug 2025 329th argusdusty 🇺🇸 690 58 9ms 31 Dec 2020 329th gilufin 690 58 9ms 1 Jun 2021 329th Pyroan 690 58 16ms 7 Nov 2022 329th Hortaros 690 58 15ms 21 Apr 2023 329th Mr-McChicken 690 58 10ms 4 Oct 2025 334th lmeuser 678 59 10ms 2 Dec 2017 334th adamhass 678 59 9ms 19 Jul 2018 334th shibacho 🇯🇵 678 59 9ms 17 Apr 2019 334th estomagordo 🇳🇱 678 59 9ms 3 Aug 2019 334th giacomogallina 678 59 9ms 4 Oct 2019 334th TheAristos 678 59 9ms 16 Oct 2019 334th anominos 678 59 10ms 14 Dec 2019 334th bastienvoirin 🇫🇷 678 59 9ms 8 Apr 2020 334th guliyevemil1 🇦🇿 678 59 9ms 21 Apr 2020 334th mcdowell95 678 59 9ms 23 Apr 2020 334th DarkBlueWall 678 59 9ms 29 Apr 2020 334th rowboat1 678 59 9ms 29 May 2020 334th Vaekor 678 59 10ms 16 Nov 2020 334th OwenElliottDev 678 59 10ms 16 Feb 2021 334th josephjojoe 678 59 9ms 23 Feb 2021 334th asadullayev 678 59 9ms 3 Mar 2021 334th jhunterkohler 678 59 9ms 19 May 2021 334th ethandhunt 678 59 9ms 15 Aug 2021 334th mauro-1 🇮🇹 678 59 9ms 18 Aug 2021 334th schachmattmatt 678 59 10ms 22 Aug 2021 334th MichalMarsalek 🇨🇿 678 59 9ms 3 Dec 2021 334th HumanEquivalentUnit 678 59 9ms 28 Dec 2021 334th krcs 🇵🇱 678 59 10ms 3 May 2022 334th glesnick 678 59 9ms 19 Sep 2022 334th eiburns 678 59 9ms 21 Jan 2023 334th Skwerl23 678 59 10ms 5 Feb 2023 334th geooff 678 59 9ms 3 Jul 2023 334th epic-programmer-guy 678 59 9ms 20 Dec 2023 334th CutSandstone 678 59 10ms 5 Jul 2024 334th wh3n3v3r 🇨🇿 678 59 17ms 13 Nov 2024 334th Emutis 🇱🇹 678 59 10ms 4 Aug 2025 334th Code-Coder-coder 678 59 9ms 11 Oct 2025 334th Andrey2001 678 59 9ms 9 Dec 2025 367th lrustand 667 60 10ms 15 Jan 2018 367th jiaminglimjm 🇲🇾 667 60 9ms 27 Nov 2019 367th martinnorling 🇸🇪 667 60 9ms 1 Feb 2022 367th juliusgeo 667 60 9ms 12 Jan 2023 367th vgledel 667 60 10ms 30 Oct 2023 367th RobertHoeh 667 60 16ms 6 Dec 2023 367th hellwue 667 60 18ms 25 Jun 2024 374th msrawson 656 61 10ms 4 Sep 2018 374th benwilliamgraham 656 61 10ms 28 Feb 2019 374th elldur 656 61 9ms 17 Mar 2019 374th sambirnbaum1 656 61 9ms 13 Oct 2019 374th theonlytruemathnerd 656 61 10ms 10 Jan 2020 374th oAsAo 656 61 9ms 21 Jan 2020 374th mortimervonchappuis 656 61 9ms 17 Mar 2020 374th achow0 656 61 9ms 5 Aug 2020 374th jameslindesay 656 61 10ms 18 Aug 2020 374th boxjelly 656 61 10ms 8 Feb 2021 374th NoahBolohan 🇨🇦 656 61 9ms 8 Feb 2023 374th CatsAreFluffy 656 61 9ms 20 Feb 2023 374th mbittner20 656 61 9ms 27 May 2023 374th LiquidPulsar 656 61 10ms 19 Jul 2023 374th Clay-Goodling 656 61 10ms 8 Oct 2024 374th WillowWispy 656 61 10ms 14 Mar 2025 390th relet 645 62 10ms 10 Aug 2018 390th jotslo 🇬🇧 645 62 9ms 14 Jul 2019 390th cellobix 645 62 16ms 14 Aug 2019 390th artieleach 645 62 9ms 8 Feb 2021 390th befoster 645 62 10ms 10 Apr 2021 390th fynnkroeger 645 62 9ms 30 Jan 2022 390th Schmitz48 645 62 9ms 11 May 2022 390th SectorCorruptor 645 62 10ms 10 Feb 2026 398th kypi 635 63 10ms 22 Feb 2020 398th ArmaanAS 635 63 9ms 8 Mar 2021 398th Andrey135296 635 63 10ms 25 Oct 2022 First Prev 321–400 of 658 Next Last