The Calendar hole will go live in approximately 11 hours. Why not try and solve it ahead of time?
Divisors in Haskell 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 80th khuldraeseth 892 74 117ms 31 Jul 2019 80th Naruyoko 892 74 117ms 5 Mar 2023 80th dokutan 892 74 121ms 17 Jul 2025 80th jacekwladzinski 892 74 118ms 10 Nov 2025 85th inverseLorentz 🇦🇺 880 75 117ms 22 Feb 2024 86th RussellEmerine 868 76 121ms 30 Nov 2019 86th aDwarfNamedUrist 868 76 120ms 24 Jul 2023 86th kejcao 🇨🇦 868 76 113ms 20 May 2024 89th jtaxen 857 77 118ms 17 Jun 2024 90th YAJUE114514 846 78 132ms 22 Jul 2025 90th HumanoidCPU 846 78 141ms 21 Nov 2025 92nd gbxdl 835 79 118ms 6 Jan 2021 92nd ksqsf 835 79 115ms 27 Oct 2021 94th lgastako 825 80 127ms 2 Aug 2019 95th Foxinatel 795 83 118ms 4 Jan 2022 96th axpepper 786 84 120ms 30 Oct 2018 96th boxjelly 786 84 121ms 25 Dec 2020 96th betaveros 786 84 126ms 4 Jan 2023 99th guliyevemil1 🇦🇿 776 85 115ms 18 Apr 2020 100th Indivicivet 759 87 116ms 30 Mar 2021 101st JoaoFelipe3 750 88 113ms 14 Jan 2024 102nd brimstonetrader 742 89 119ms 28 Jan 2024 103rd CaedenHarper 🇨🇦 725 91 144ms 23 Jul 2025 104th nheisterkamp 717 92 119ms 6 Dec 2018 104th archaephyrryx 717 92 122ms 21 Oct 2020 106th HallMatthew314 710 93 117ms 14 Feb 2022 107th anastos 695 95 122ms 23 Jul 2018 107th RoSeWi 695 95 125ms 26 Nov 2019 109th CatsAreFluffy 667 99 116ms 17 Dec 2022 110th ze-h 🇺🇸 647 102 117ms 28 Nov 2022 111th ahilke 641 103 118ms 12 Mar 2019 112th hjcafaroUC 629 105 116ms 8 Aug 2020 113th SolidTux 623 106 129ms 6 Jan 2020 114th jonnyirwin 606 109 144ms 12 Aug 2019 115th Mego 579 114 118ms 21 May 2019 116th rschwa6308 🇺🇸 559 118 117ms 30 Mar 2019 117th akusumoto 🇯🇵 545 121 126ms 22 Apr 2022 118th XaavanDolence 516 128 115ms 7 Sep 2020 119th ldnicolasmay 449 147 116ms 17 Sep 2019 119th darrell-roberts 449 147 119ms 28 Feb 2020 121st godraadam 443 149 120ms 16 Nov 2020 122nd massung 434 152 122ms 19 Mar 2019 123rd howsiyu 322 205 123ms 8 Apr 2019 124th rory660 178 371 123ms 27 May 2022 125th Haksell 🇦🇶 52 1,277 110ms 1 Dec 2019 125th KatieLG 🇬🇧 52 1,277 131ms 23 Nov 2020 125th retrohun 52 1,277 109ms 27 Dec 2022 125th KatieLG-Transpiler 🇬🇧 52 1,277 117ms 14 May 2023 125th Mabeloid 🇳🇴 52 1,277 113ms 17 Sep 2024 First Prev 81–129 of 129
