The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Evil 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 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 561st MeWhenI 🇻🇦 896 48 78ms 6 Sep 2022 561st GrayJoKing 🇦🇺 896 48 86ms 7 Sep 2022 561st steffan-polygolf 896 48 78ms 23 Feb 2023 561st DialFrost 🇸🇬 896 48 78ms 27 Sep 2023 561st Yewzir 🇧🇪 896 48 77ms 17 Nov 2023 561st MWI-polygolf 896 48 78ms 6 Dec 2023 567th Yewzir 🇧🇪 896 49 7ms 11 Dec 2023 568th rucin93 🇵🇱 896 73 72ms 21 Jun 2023 569th sisyphus-ppcg 🇦🇺 895 52 2ms 20 Sep 2022 569th Attero 🇸🇪 895 52 2ms 23 Sep 2023 569th prplz 🇦🇺 895 52 2ms 7 Jan 2025 569th emgordon154 895 52 2ms 2 days ago 573rd GrayJoKing 🇦🇺 894 51 6ms 16 Jul 2023 573rd Lydxn 🇨🇦 894 51 6ms 16 Jul 2023 575th JayXon 🇺🇸 894 60 76ms 20 Mar 2023 575th Lydxn 🇨🇦 894 60 70ms 5 Apr 2023 577th Lydxn 🇨🇦 894 71 26ms 13 Jan 2023 578th pardouin 🇫🇷 893 83 258ms 29 Sep 2024 578th KasperKivimaeki 🇫🇮 893 83 262ms 29 Sep 2025 580th GrayJoKing 🇦🇺 891 44 4ms 7 Sep 2022 580th emplv 🇱🇻 891 44 5ms 20 Sep 2022 582nd btnlq 891 47 3,631ms 25 Oct 2024 582nd aditsu 891 47 3,800ms 31 Aug 2025 584th GrayJoKing 🇦🇺 891 49 2ms 10 Sep 2022 584th Steffan153 🇫🇮 891 49 2ms 19 Aug 2024 586th Lydxn 🇨🇦 890 42 2ms 15 Jan 2024 586th Steffan153 🇫🇮 890 42 2ms 16 Jan 2024 588th Yewzir 🇧🇪 890 68 430ms 2 Nov 2023 588th pardouin 🇫🇷 890 68 426ms 29 Sep 2024 590th Yewzir 🇧🇪 889 44 101ms 26 Dec 2023 591st alemelis 889 45 10ms 13 Sep 2024 591st csharpython 889 45 10ms 10 Aug 2025 593rd GrayJoKing 🇦🇺 889 53 38ms 1 Mar 2023 594th Yewzir 🇧🇪 888 48 2ms 18 Nov 2023 594th NickTheEASDude 🇺🇸 888 48 2ms 1 Feb 2024 594th MeWhenI 🇻🇦 888 48 8ms 16 Dec 2024 594th snoozingnewt 🇨🇦 888 48 2ms 25 Oct 2025 598th btnlq 887 38 4ms 26 Sep 2024 599th emgordon154 887 64 414ms 25 Sep 2025 599th nwellnhof 🇩🇪 887 64 431ms 25 Sep 2025 599th MeWhenI 🇻🇦 887 64 411ms 7 Nov 2025 602nd JPRuskin 🇬🇧 886 31 254ms 30 Apr 2024 603rd rucin93 🇵🇱 886 39 707ms 29 Aug 2025 604th Lydxn 🇨🇦 884 57 1,282ms 9 Sep 2022 605th primo-ppcg 🇹🇭 883 74 84ms 9 Sep 2022 606th GrayJoKing 🇦🇺 883 84 271ms 6 Sep 2022 606th m-tkach 🇺🇦 883 84 270ms 14 Jun 2023 606th DialFrost 🇸🇬 883 84 264ms 26 Sep 2023 606th edsrzf 🇳🇿 883 84 265ms 25 Jun 2025 606th albanian-laundromat 883 84 270ms 15 days ago 611th ovs-code 🇩🇪 882 32 921ms 22 Apr 2024 611th anter69 🇭🇺 882 32 864ms 10 Mar 2025 613th canissimia 🇦🇶 882 135 30ms 16 Nov 2023 614th Lydxn 🇨🇦 881 85 2ms 20 Jul 2023 615th Steffan153 🇫🇮 880 30 3ms 6 Mar 2023 615th saito-ta 🇯🇵 880 30 3ms 20 Aug 2025 617th 4hg 🇺🇸 877 41 70ms 14 Sep 2023 618th MeWhenI 🇻🇦 877 69 454ms 6 Sep 2022 618th janbehrens 🇩🇪 877 69 428ms 7 Sep 2022 618th DialFrost 🇸🇬 877 69 435ms 26 Oct 2023 618th snoozingnewt 🇨🇦 877 69 366ms 6 days ago 622nd ovs-code 🇩🇪 876 57 118ms 17 Nov 2023 623rd scpchicken 🇵🇼 875 16 4ms 10 Mar 2023 623rd emgordon154 875 16 3ms 17 Sep 2025 625th MeWhenI 🇻🇦 874 62 18ms 6 May 2023 626th Bubbler-4 874 65 126ms 6 Sep 2022 626th xnor-gate 874 65 126ms 21 Oct 2022 626th andersk 🇺🇸 874 65 120ms 25 Oct 2022 626th kgodara 874 65 121ms 6 Mar 2023 626th elgan65536 874 65 120ms 7 Mar 2024 626th DialFrost 🇸🇬 874 65 119ms 4 Apr 2025 626th acotis 874 65 117ms 6 Apr 2025 626th pardouin 🇫🇷 874 65 119ms 17 Apr 2025 626th emgordon154 874 65 126ms 18 Apr 2025 626th ovs-code 🇩🇪 874 65 119ms 20 Apr 2025 626th stefangimmillaro 874 65 124ms 4 Jun 2025 626th sean-niemann 🇺🇸 874 65 122ms 4 Jun 2025 626th fuzzylojik-golf 🇺🇸 874 65 120ms 28 Aug 2025 639th canissimia 🇦🇶 874 94 47ms 21 May 2023 640th sean-niemann 🇺🇸 873 50 2ms 8 Oct 2024 First Prev 561–640 of 2,737 Next Last