The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Prime 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 211th ejini6969 952 45 199ms 1 Apr 2023 211th InigoK 🇺🇸 952 45 153ms 1 Apr 2023 211th MHunter-NZ 🇳🇿 952 45 197ms 30 May 2023 211th TheoKeller1 952 45 197ms 11 Jun 2023 211th quimey 952 45 111ms 22 Jun 2023 211th 2011-Chan-Ethan 952 45 191ms 6 Jul 2023 211th fourth-bit 952 45 197ms 9 Jul 2023 211th AlephSquirrel 952 45 191ms 10 Jul 2023 211th fkantelberg 952 45 195ms 20 Jul 2023 211th Nic0M 952 45 194ms 14 Aug 2023 211th Alessandro-Balconi 🇮🇹 952 45 191ms 22 Aug 2023 211th snoozingnewt 🇨🇦 952 45 191ms 4 Sep 2023 211th Griff95 952 45 196ms 22 Sep 2023 211th Alex-x90 🇺🇸 952 45 194ms 19 Oct 2023 211th htareque 952 45 193ms 19 Oct 2023 211th Grrisly 952 45 193ms 8 Nov 2023 211th mikehanus 952 45 195ms 22 Nov 2023 211th 4hg 🇺🇸 952 45 191ms 27 Nov 2023 211th Techdude01 952 45 189ms 22 Dec 2023 211th ridingqwerty 🇺🇸 952 45 195ms 27 Dec 2023 211th 5cw 🇺🇸 952 45 190ms 31 Dec 2023 211th dylanarmstrong 952 45 195ms 2 Jan 2024 211th antimon2 🇯🇵 952 45 196ms 11 Jan 2024 211th uttumuttu 🇫🇮 952 45 195ms 16 Jan 2024 211th byronknoll 🇺🇸 952 45 192ms 1 Feb 2024 211th Adix-null 🇱🇹 952 45 191ms 3 Feb 2024 211th bzijlema 🇳🇱 952 45 191ms 6 Feb 2024 211th Just4FunCoder 952 45 192ms 18 Feb 2024 211th ehulinsky 🇺🇸 952 45 194ms 18 Feb 2024 211th Jacob385 952 45 191ms 18 Mar 2024 211th jtaxen 952 45 191ms 27 Mar 2024 211th davecame 952 45 197ms 23 Apr 2024 211th aalec 952 45 193ms 24 Apr 2024 211th stertooy 🇧🇪 952 45 191ms 9 Jun 2024 211th RedzGoose 🇦🇺 952 45 196ms 11 Jun 2024 211th hellwue 952 45 191ms 21 Jun 2024 211th rollershutter 952 45 192ms 23 Jun 2024 211th Bulmenisaurus 952 45 193ms 2 Jul 2024 211th CutSandstone 952 45 190ms 11 Jul 2024 211th codingisgreatbutiamnot 952 45 193ms 4 Aug 2024 211th namelessiw 952 45 110ms 9 Aug 2024 211th ljweel 952 45 193ms 12 Sep 2024 211th JunkIce 952 45 193ms 1 Oct 2024 211th agreegious 952 45 191ms 17 Nov 2024 211th moustave 952 45 192ms 29 Nov 2024 211th tjwrenn 952 45 192ms 9 Dec 2024 211th nullie 952 45 194ms 12 Dec 2024 211th WCScrypto-official 952 45 191ms 23 Dec 2024 211th rchalamala 952 45 196ms 30 Dec 2024 211th klixel 🇨🇦 952 45 191ms 31 Dec 2024 211th yujh-yujh 🇬🇸 952 45 194ms 14 Jan 2025 211th Languag3 952 45 195ms 4 Mar 2025 211th andrewjc2000 952 45 193ms 9 Mar 2025 211th souta-1326 952 45 191ms 23 Mar 2025 211th Mukundan314 952 45 119ms 4 Apr 2025 211th Camaendir 952 45 193ms 4 Apr 2025 211th emgordon154 952 45 194ms 20 Apr 2025 211th Flekay 🇩🇪 952 45 192ms 19 Jun 2025 211th KasperKivimaeki 🇫🇮 952 45 193ms 29 Jun 2025 211th dokutan 952 45 193ms 30 Jun 2025 211th wuduculfre 952 45 192ms 22 Jul 2025 211th amberzit 952 45 113ms 29 Jul 2025 211th qpwoeirut 952 45 193ms 11 Aug 2025 211th blaztoma 🇱🇹 952 45 192ms 15 Sep 2025 211th FortuiteMan 🇫🇷 952 45 198ms 16 Sep 2025 211th BrunoVisnadi 🇧🇷 952 45 194ms 23 Sep 2025 211th miaoaixuan 952 45 195ms 30 Sep 2025 211th Babafaba 952 45 194ms 18 Oct 2025 211th ApoChagi 952 45 205ms 18 Oct 2025 211th 09cf 952 45 115ms 10 Nov 2025 211th CommandLeo 🇮🇹 952 45 188ms 14 Nov 2025 211th albanian-laundromat 952 45 191ms 20 days ago 211th DylPickle-12 952 45 190ms 6 days ago 314th Natanaelel 🇸🇪 951 33 42ms 5 Dec 2021 314th SirBogman 🇺🇸 951 33 46ms 5 Dec 2021 314th Lydxn 🇨🇦 951 33 49ms 5 Dec 2021 314th primo-ppcg 🇹🇭 951 33 46ms 5 Dec 2021 314th emgordon154 951 33 42ms 5 Dec 2021 314th JayXon 🇺🇸 951 33 52ms 7 Dec 2021 314th nwellnhof 🇩🇪 951 33 51ms 7 Dec 2021 First Prev 241–320 of 2,936 Next Last