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 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 365th CatsAreFluffy 656 61 9ms 20 Feb 2023 365th mbittner20 656 61 9ms 27 May 2023 365th LiquidPulsar 656 61 9ms 19 Jul 2023 365th Clay-Goodling 656 61 9ms 8 Oct 2024 365th WillowWispy 656 61 9ms 14 Mar 2025 381st relet 645 62 10ms 10 Aug 2018 381st jotslo 🇬🇧 645 62 9ms 14 Jul 2019 381st cellobix 645 62 17ms 14 Aug 2019 381st artieleach 645 62 9ms 8 Feb 2021 381st befoster 645 62 9ms 10 Apr 2021 381st fynnkroeger 645 62 9ms 30 Jan 2022 381st Schmitz48 645 62 9ms 11 May 2022 388th kypi 635 63 9ms 22 Feb 2020 388th ArmaanAS 635 63 9ms 8 Mar 2021 388th Andrey135296 635 63 9ms 25 Oct 2022 388th Anthony-Williams-06 635 63 9ms 12 Sep 2024 388th ffelixm 635 63 9ms 12 Jun 2025 393rd GodEmperorCaterpie 625 64 9ms 31 Aug 2019 393rd amishtal 625 64 10ms 30 Nov 2019 393rd wrhm 625 64 9ms 12 Dec 2020 393rd samgiz 625 64 9ms 30 Oct 2021 393rd hippopotam00sehead 🇨🇦 625 64 10ms 13 Sep 2024 393rd JunkIce 625 64 10ms 24 Nov 2024 399th willzywiec 615 65 9ms 6 Aug 2018 399th brian6liu 615 65 9ms 8 May 2020 399th Altrul 615 65 10ms 17 Dec 2020 399th the-soph-ia 615 65 15ms 7 Mar 2021 399th pmooreh 615 65 9ms 19 Aug 2022 399th tri1212 🇻🇳 615 65 9ms 21 Aug 2022 399th 0-4849 615 65 9ms 26 Jul 2023 399th liam824css 615 65 9ms 2 Mar 2025 399th ToE42 615 65 9ms 16 May 2025 399th robin-scragg 615 65 9ms 18 Jun 2025 409th sawall 606 66 9ms 17 Aug 2019 409th handisb 606 66 15ms 22 Oct 2019 409th Psirving 606 66 9ms 2 Aug 2020 409th mothcolada 🇺🇸 606 66 10ms 25 May 2021 409th Foxinatel 606 66 10ms 22 Aug 2021 409th vodker1 606 66 9ms 8 Mar 2022 415th djtuBIG-MaliceX 597 67 9ms 30 Jan 2018 415th DrPiranoid 597 67 9ms 7 Oct 2022 417th rajlath 588 68 9ms 9 Apr 2018 417th valgardg 🇮🇸 588 68 9ms 15 Aug 2021 417th LeeCamp 588 68 15ms 20 Dec 2021 417th lhulinsky 588 68 10ms 21 Oct 2024 421st ly0va 580 69 15ms 6 Jan 2019 421st petroselo 580 69 9ms 13 Apr 2022 421st lomarbrick 580 69 10ms 23 May 2023 421st Europe2048 580 69 15ms 27 Nov 2024 425th mossprescott 571 70 9ms 24 Jun 2019 425th dahrens 571 70 10ms 7 Jul 2019 425th jhawk101 571 70 9ms 4 Mar 2021 425th danielweper 571 70 9ms 21 Oct 2021 425th fajost 571 70 9ms 1 Jun 2022 425th Jacob385 571 70 9ms 13 Apr 2024 431st siegelzero 563 71 9ms 7 Aug 2019 432nd GeoffroyF 556 72 16ms 16 May 2018 432nd patbassing 556 72 9ms 8 Jul 2019 432nd davkovacs 556 72 9ms 6 Dec 2019 432nd brochmann 🇸🇪 556 72 9ms 6 Feb 2022 436th ssilwa 548 73 12ms 20 Jan 2018 437th fullptr 541 74 9ms 26 Jun 2019 437th simplylu 541 74 10ms 5 Jun 2020 437th alexandre-lavoie 541 74 11ms 20 Oct 2020 437th gfaster 541 74 9ms 4 Mar 2021 437th amollberg 🇸🇪 541 74 16ms 5 Jan 2022 437th RandGuy 541 74 9ms 4 Jul 2022 443rd ANDREYDEN 533 75 20ms 4 Jan 2019 443rd toombs-caeman 533 75 11ms 8 Mar 2020 443rd oceko 533 75 11ms 24 Mar 2023 446th atazzam 🇺🇸 526 76 10ms 4 Apr 2022 447th Malin001 519 77 9ms 4 Jan 2020 447th Nordle 519 77 9ms 16 Mar 2020 447th Yareeeema 519 77 9ms 13 Apr 2022 447th nayakrujul 519 77 9ms 12 Mar 2023 First Prev 376–450 of 646 Next Last