The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Factorial Factorisation 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 881st KatieLG 🇬🇧 130 835 417ms 26 days ago 882nd dokutan 130 847 481ms 7 Nov 2025 883rd dokutan 129 800 129ms 3 Feb 2025 884th KatieLG 🇬🇧 128 852 10ms 26 days ago 885th HumanoidCPU 128 882 110ms 13 Apr 2024 885th Yewzir 🇧🇪 128 882 111ms 13 Apr 2024 885th RealAMC 🇳🇿 128 882 111ms 24 Apr 2024 885th bac0id 128 882 106ms 26 Jun 2024 885th JGDoerrer 128 882 109ms 17 Jul 2024 885th Mabeloid 🇳🇴 128 882 110ms 17 Sep 2024 885th CaedenHarper 🇨🇦 128 882 138ms 22 Jan 2025 892nd MarkShcerbakov 127 780 385ms 14 Aug 2024 893rd KatieLG 🇬🇧 127 826 105ms 26 days ago 894th HumanoidCPU 127 870 65ms 13 Apr 2024 894th Yewzir 🇧🇪 127 870 67ms 13 Apr 2024 894th bac0id 127 870 61ms 26 Jun 2024 894th Mabeloid 🇳🇴 127 870 68ms 17 Sep 2024 894th The-Wolfson 127 870 66ms 18 Dec 2024 894th CaedenHarper 🇨🇦 127 870 60ms 22 Jan 2025 894th dokutan 127 870 65ms 3 Feb 2025 901st KatieLG 🇬🇧 127 871 67ms 13 Apr 2024 902nd KatieLG-Transpiler 🇬🇧 127 886 105ms 16 Aug 2024 903rd madeforlosers 127 3,559 2ms 8 Nov 2024 904th dokutan 126 456 132ms 26 Feb 2025 905th dokutan 126 842 18ms 20 Jul 2025 906th HumanoidCPU 126 870 5ms 4 May 2024 906th bac0id 126 870 5ms 26 Jun 2024 906th KatieLG-Transpiler 🇬🇧 126 870 5ms 16 Aug 2024 906th Mabeloid 🇳🇴 126 870 5ms 17 Sep 2024 906th CaedenHarper 🇨🇦 126 870 6ms 20 Jan 2025 911th mrmena 🇦🇺 125 821 40ms 16 Apr 2024 912th MeWhenI 🇻🇦 125 873 5ms 13 Apr 2024 913th OfficialCB 125 875 5ms 23 Apr 2024 914th mrmena 🇦🇺 124 805 3ms 15 Apr 2024 915th dokutan 124 848 6ms 12 Dec 2024 916th Shanethegamer 🇺🇸 124 871 42ms 22 Aug 2024 916th KatieLG 🇬🇧 124 871 41ms 22 Aug 2024 916th HumanoidCPU 124 871 38ms 25 Aug 2024 916th Mabeloid 🇳🇴 124 871 40ms 17 Sep 2024 916th CaedenHarper 🇨🇦 124 871 41ms 22 Jan 2025 916th gigaprofisi 🇺🇸 124 871 41ms 5 Nov 2025 922nd KatieLG-Transpiler 🇬🇧 124 888 612ms 16 Aug 2024 923rd KatieLG 🇬🇧 124 893 426ms 13 Apr 2024 923rd HumanoidCPU 124 893 426ms 27 Jun 2024 925th Yewzir 🇧🇪 124 894 452ms 13 Apr 2024 925th bac0id 124 894 421ms 25 Jun 2024 927th KatieLG 🇬🇧 123 807 1,266ms 26 days ago 928th CaedenHarper 🇨🇦 123 895 428ms 20 Jan 2025 929th Mabeloid 🇳🇴 123 900 128ms 17 Sep 2024 930th KatieLG-Transpiler 🇬🇧 123 940 342ms 16 Aug 2024 931st roupiq 🇵🇱 122 867 3ms 14 Apr 2024 931st bac0id 122 867 3ms 26 Jun 2024 931st Mabeloid 🇳🇴 122 867 3ms 17 Sep 2024 931st HumanoidCPU 122 867 3ms 12 Dec 2024 931st KatieLG 🇬🇧 122 867 3ms 12 Dec 2024 931st Yewzir 🇧🇪 122 867 3ms 18 Dec 2024 931st Shanethegamer 🇺🇸 122 867 3ms 11 Jan 2025 931st madex 🇩🇪 122 867 3ms 13 Jan 2025 931st BREMAUCY 🇫🇷 122 867 3ms 14 Jan 2025 931st CaedenHarper 🇨🇦 122 867 3ms 22 Jan 2025 941st Yewzir 🇧🇪 122 887 458ms 2 Oct 2025 941st WildTooth 122 887 414ms 9 Oct 2025 941st gigaprofisi 🇺🇸 122 887 412ms 5 Nov 2025 944th Schmitt-Very-Cool 122 889 441ms 26 Sep 2025 945th gigaprofisi 🇺🇸 122 904 176ms 23 Jul 2025 946th KatieLG 🇬🇧 121 817 373ms 26 days ago 947th HumanEquivalentUnit 121 871 9ms 21 Apr 2024 948th Shanethegamer 🇺🇸 121 873 8ms 13 Apr 2024 948th MeWhenI 🇻🇦 121 873 8ms 13 Apr 2024 948th HumanoidCPU 121 873 8ms 13 Apr 2024 948th Yewzir 🇧🇪 121 873 8ms 13 Apr 2024 948th bac0id 121 873 8ms 26 Jun 2024 948th Mabeloid 🇳🇴 121 873 8ms 17 Sep 2024 948th CaedenHarper 🇨🇦 121 873 9ms 22 Jan 2025 955th KatieLG 🇬🇧 121 876 8ms 13 Apr 2024 955th KatieLG-Transpiler 🇬🇧 121 876 8ms 16 Aug 2024 957th MeWhenI 🇻🇦 121 877 2ms 13 Apr 2024 957th HumanoidCPU 121 877 2ms 13 Apr 2024 957th Yewzir 🇧🇪 121 877 2ms 13 Apr 2024 957th bac0id 121 877 2ms 26 Jun 2024 First Prev 881–960 of 1,421 Next Last