The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Factorial Factorisation in all languages in bytes. 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 Bytes Time Submitted 241st rucin93 🇵🇱 808 108 3ms 18 Nov 2025 242nd DialFrost 🇸🇬 807 134 44ms 25 Jun 2025 243rd MeWhenI 🇻🇦 806 161 265ms 22 Apr 2024 244th Shanethegamer 🇺🇸 805 85 54ms 13 Apr 2024 244th Just4FunCoder 805 85 41ms 18 Jun 2025 246th annaproxy 804 132 31ms 5 Sep 2025 247th Salutations45 803 101 4ms 30 Nov 2024 248th Shanethegamer 🇺🇸 803 138 457ms 15 Apr 2024 249th MeWhenI 🇻🇦 802 132 97ms 12 Jan 2025 250th sean-niemann 🇺🇸 801 162 267ms 1 May 2024 251st MeWhenI 🇻🇦 800 104 97ms 21 Apr 2024 251st SirBogman 🇺🇸 800 104 20ms 12 Aug 2025 253rd namelessiw 800 136 474ms 4 Oct 2025 254th nomennescio 798 113 676ms 9 Dec 2024 255th MeWhenI 🇻🇦 795 137 450ms 7 Nov 2025 256th Shanethegamer 🇺🇸 795 146 123ms 21 Jun 2024 257th sisyphus-ppcg 🇦🇺 793 92 85ms 15 Apr 2024 258th Natanaelel 🇸🇪 792 48 34ms 2 Mar 2025 259th duckyluuk 🇳🇱 792 105 718ms 16 Apr 2024 259th IshanPanpaliya 792 105 68ms 16 days ago 261st Shanethegamer 🇺🇸 792 128 59ms 16 Apr 2024 262nd sean-niemann 🇺🇸 792 140 105ms 18 Aug 2025 263rd stefangimmillaro 792 143 144ms 17 Apr 2024 264th dmrichwa 🇺🇸 791 101 13ms 3 Jul 2024 265th DialFrost 🇸🇬 791 103 291ms 11 Jun 2024 266th Shanethegamer 🇺🇸 791 114 72ms 6 Dec 2024 267th Mandrzejy 🇵🇱 791 135 59ms 27 Apr 2024 267th Herbert00709 🇵🇱 791 135 66ms 28 Apr 2024 269th GolfingSuccess 🇬🇷 790 134 37ms 12 Jan 2025 270th kmathis22 789 138 598ms 11 days ago 271st Natanaelel 🇸🇪 787 82 156ms 22 Apr 2024 272nd jared-hughes 786 129 8ms 13 Apr 2024 273rd CLOStrophobic 🇮🇹 784 138 47ms 13 Feb 2025 274th stefangimmillaro 783 135 122ms 14 Apr 2024 275th lifthrasiir 🇰🇷 779 51 2ms 28 Nov 2024 276th AlephSquirrel 779 141 86ms 13 Apr 2024 277th namelessiw 777 128 377ms 9 Apr 2025 278th Shanethegamer 🇺🇸 776 103 12ms 13 Apr 2024 279th duckyluuk 🇳🇱 774 103 1,026ms 16 Apr 2024 280th DialFrost 🇸🇬 774 134 143ms 6 Aug 2024 281st MeWhenI 🇻🇦 771 129 368ms 19 Jun 2025 282nd edsrzf 🇳🇿 771 149 20ms 29 Jun 2025 283rd neel11235813 770 108 66ms 13 Apr 2024 283rd stefangimmillaro 770 108 69ms 17 Apr 2024 285th emgordon154 770 220 498ms 30 May 2025 286th MeWhenI 🇻🇦 769 106 530ms 17 Apr 2024 287th DialFrost 🇸🇬 767 114 145ms 28 Oct 2024 288th SirBogman 🇺🇸 766 104 399ms 12 Aug 2025 289th bricknellj 763 109 22ms 16 May 2024 290th MichalMarsalek 🇨🇿 763 152 144ms 13 Apr 2024 291st DialFrost 🇸🇬 762 144 21ms 10 Dec 2024 291st edsrzf 🇳🇿 762 144 47ms 11 Feb 2025 293rd Lv0Sys 🇵🇱 761 105 10ms 7 days ago 294th Shanethegamer 🇺🇸 761 139 118ms 16 Apr 2024 295th dokutan 761 143 446ms 18 Nov 2025 296th emgordon154 758 168 24ms 10 Dec 2024 297th jipsong 🇩🇪 756 110 16ms 12 Mar 2025 297th annaproxy 756 110 11ms 5 Sep 2025 299th snoozingnewt 🇨🇦 756 144 432ms 13 days ago 300th Natanaelel 🇸🇪 754 106 10ms 15 Apr 2024 301st SirBogman 🇺🇸 753 126 43ms 3 Jun 2025 302nd edsrzf 🇳🇿 751 144 58ms 22 Mar 2025 303rd ethanlally 751 145 451ms 10 Nov 2025 304th GolfingSuccess 🇬🇷 750 111 12ms 15 Apr 2024 304th yujh-yujh 🇬🇸 750 111 16ms 6 days ago 306th elgan65536 750 151 138ms 15 Apr 2024 307th msbranicky 749 253 1,692ms 17 Sep 2025 308th CaedenHarper 🇨🇦 747 107 12ms 6 Sep 2025 309th SirBogman 🇺🇸 745 51 37ms 21 Apr 2024 310th edsrzf 🇳🇿 745 121 668ms 26 Jan 2025 311th CatsAreFluffy 744 91 131ms 4 Nov 2024 312th neel11235813 744 92 46ms 14 Apr 2024 313th AlephSquirrel 743 112 12ms 13 Apr 2024 314th elgan65536 742 175 267ms 15 Apr 2024 315th GrayJoKing 🇦🇺 741 107 20ms 28 Aug 2024 316th emgordon154 740 108 12ms 11 Aug 2024 317th Shanethegamer 🇺🇸 740 147 398ms 25 Sep 2025 318th neel11235813 738 108 441ms 13 Apr 2024 319th GolfingSuccess 🇬🇷 737 115 2ms 15 Apr 2024 319th Mandrzejy 🇵🇱 737 115 2ms 27 Apr 2024 First Prev 241–320 of 1,427 Next Last