Pernicious Numbers (Long) 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 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 Gray Code Decoder Gray Code Encoder 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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 599th Fracture17 828 60 19ms 13 Apr 2023 599th bzijlema 🇳🇱 828 60 27ms 22 Jul 2024 599th bizy-coder 828 60 20ms 15 Aug 2024 599th firegene 🇮🇪 828 60 32ms 27 Feb 2026 599th retrohun 828 60 22ms 22 days ago 606th MeWhenI 🇻🇦 825 64 24ms 12 Dec 2023 606th emgordon154 825 64 24ms 10 Dec 2024 608th jared-hughes 824 89 63ms 20 Nov 2022 608th roupiq 🇵🇱 824 89 60ms 3 Jan 2024 608th DialFrost 🇸🇬 824 89 58ms 17 Jun 2024 608th KasperKivimaeki 🇫🇮 824 89 64ms 7 Dec 2025 612th Yax42 🇫🇷 823 77 483ms 21 Apr 2025 613th snoozingnewt 🇨🇦 822 52 760ms 31 Dec 2025 614th snoozingnewt 🇨🇦 821 48 55ms 23 Oct 2025 615th Lv0Sys 🇵🇱 819 54 16ms 26 Feb 2026 616th elgan65536 🇺🇸 819 83 428ms 19 Feb 2026 617th ian-h-chamberlain 🇺🇸 816 84 124ms 16 Dec 2025 618th JOrE20 815 84 25ms 10 Feb 2026 619th Natanaelel 🇸🇪 814 51 71ms 26 Sep 2023 620th KatieLG 🇬🇧 814 56 457ms 28 Oct 2024 621st Eilonlif 🇮🇱 814 61 19ms 9 Dec 2022 621st SirFireball3521 814 61 17ms 9 Mar 2023 621st minhtrancccp 814 61 18ms 11 Jan 2024 621st stertooy 🇧🇪 814 61 19ms 14 Jun 2024 625th janbehrens 🇩🇪 814 83 462ms 20 Nov 2022 625th emgordon154 814 83 472ms 8 Feb 2026 627th Steffan153 🇫🇮 813 66 62ms 16 Jan 2023 627th CLOStrophobic 🇮🇹 813 66 63ms 3 Mar 2025 627th GolfingSuccess 🇬🇷 813 66 54ms 13 Mar 2026 630th MeWhenI 🇻🇦 812 155 1,216ms 28 Mar 2025 631st Steffan153 🇫🇮 811 35 277ms 23 Nov 2022 632nd frankgraziano 808 84 31ms 23 Feb 2026 633rd madex 🇩🇪 807 64 2,307ms 15 Mar 2026 634th rucin93 🇵🇱 807 156 1,235ms 20 Mar 2025 635th GrayJoKing 🇦🇺 805 66 34ms 1 Nov 2023 636th MichalMarsalek 🇨🇿 805 71 157ms 16 Dec 2022 637th dokutan 804 49 57ms 30 Apr 2024 638th dmrichwa 🇺🇸 804 55 14ms 14 Jan 2023 638th vlpx 🇫🇮 804 55 15ms 23 Sep 2024 638th sean-niemann 🇺🇸 804 55 13ms 18 Jan 2025 641st edsrzf 🇳🇿 804 101 104ms 16 days ago 642nd rhdqor213 803 66 5ms 6 Oct 2023 642nd KasperKivimaeki 🇫🇮 803 66 4ms 20 days ago 644th Yewzir 🇧🇪 802 79 432ms 13 Feb 2024 645th suwat513 801 62 18ms 6 Dec 2022 645th StefanHabel 🇨🇦 801 62 17ms 19 Dec 2022 645th Ripick 801 62 18ms 1 Feb 2023 645th quimey 801 62 19ms 8 Mar 2023 645th Andriamanitra 🇫🇮 801 62 19ms 17 Jul 2023 645th Re-Adventures 🇮🇳 801 62 19ms 20 Jul 2023 645th fkantelberg 801 62 18ms 12 Aug 2023 645th Mikey-Beep 🇬🇧 801 62 19ms 23 Aug 2023 645th htareque 801 62 19ms 13 Oct 2023 645th BREMAUCY 🇫🇷 801 62 20ms 14 May 2024 645th ahmetdemirag 🇨🇾 801 62 17ms 25 Jun 2024 645th cros107 🇦🇺 801 62 22ms 27 Jun 2024 645th codingisgreatbutiamnot 801 62 17ms 6 Aug 2024 645th tjwrenn 801 62 20ms 6 Dec 2024 645th Andrey2001 801 62 19ms 1 Apr 2026 660th primo-ppcg 🇹🇭 801 67 63ms 20 Nov 2022 661st ashtraypettingzoo 🇺🇸 800 30 9ms 3 Apr 2023 661st snoozingnewt 🇨🇦 800 30 9ms 19 Sep 2025 663rd sean-niemann 🇺🇸 799 55 153ms 19 May 2025 664th inventshah 796 69 13ms 20 Nov 2022 665th Shanethegamer 🇺🇸 796 158 1,224ms 29 May 2025 666th emgordon154 795 56 56ms 6 Jun 2025 667th stefangimmillaro 795 59 27ms 20 Nov 2022 668th snoozingnewt 🇨🇦 795 65 2,281ms 27 Sep 2025 669th msbranicky 794 72 151ms 1 Sep 2023 669th snoozingnewt 🇨🇦 794 72 163ms 9 Oct 2025 671st kg583 🇺🇸 794 74 37ms 31 Mar 2026 672nd DialFrost 🇸🇬 793 67 35ms 1 Nov 2023 673rd Steffan153 🇫🇮 792 78 4,163ms 10 Oct 2023 674th Yewzir 🇧🇪 791 86 495ms 2 Oct 2025 675th Yewzir 🇧🇪 791 142 1,650ms 12 days ago 676th Irratix 🇳🇱 790 56 13ms 11 Dec 2022 677th primo-ppcg 🇹🇭 790 60 2ms 20 Nov 2022 678th MeWhenI 🇻🇦 790 177 38ms 29 Nov 2023 679th trist224 🇫🇷 789 63 18ms 14 Dec 2022 679th msbranicky 789 63 19ms 23 Jul 2023 679th PeterTillema 🇳🇱 789 63 17ms 18 Mar 2024 679th hellwue 789 63 365ms 25 Jun 2024 679th InigoK 🇺🇸 789 63 27ms 19 Sep 2025 684th pardouin 🇫🇷 789 68 64ms 25 Apr 2025 685th AlephSquirrel 788 50 46ms 7 Mar 2023 685th SirBogman 🇺🇸 788 50 54ms 10 Jan 2024 687th sean-niemann 🇺🇸 786 110 317ms 21 Jun 2023 687th stefangimmillaro 786 110 328ms 22 Jun 2023 689th sisyphus-ppcg 🇦🇺 785 45 14ms 23 Jan 2023 689th DialFrost 🇸🇬 785 45 5ms 25 Nov 2023 691st DialFrost 🇸🇬 785 59 9ms 26 Dec 2025 692nd Yewzir 🇧🇪 783 43 2,001ms 13 Feb 2024 692nd dokutan 783 43 1,432ms 30 Apr 2024 694th Steffan153 🇫🇮 783 84 6ms 16 Jul 2023 694th typeswitch-dev 🇵🇹 783 84 398ms 28 Jul 2023 694th GrayJoKing 🇦🇺 783 84 370ms 29 Jul 2023 697th targrik 782 60 8ms 16 Jan 2025 698th pardouin 🇫🇷 782 79 187ms 22 Apr 2025 699th emgordon154 781 104 120ms 29 Nov 2025 700th SirBogman 🇺🇸 780 33 341ms 22 Nov 2022 First Prev 601–700 of 1,892 Next Last