The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Abundant Numbers in C# 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 78th ElysiaVesper 778 90 324ms 19 Nov 2023 82nd RandGuy 769 91 342ms 8 Dec 2021 82nd adoxography 769 91 368ms 20 Jan 2022 82nd logicolor 769 91 329ms 2 May 2022 82nd Firefox760 769 91 332ms 23 Apr 2023 82nd Theremon72 769 91 358ms 17 Feb 2024 82nd ertz1ertz 769 91 397ms 12 Sep 2024 82nd dorschmeister 769 91 374ms 23 Dec 2024 82nd amazingalek 769 91 347ms 2 days ago 90th tdkkdt 🇷🇺 761 92 396ms 21 Nov 2021 90th MarcoCasadei 761 92 333ms 11 Aug 2022 90th Pyro569 761 92 349ms 31 Jul 2023 90th msbranicky 761 92 377ms 22 Aug 2023 90th Grabnukebomb 761 92 379ms 10 Jul 2025 95th dartt 753 93 339ms 21 Nov 2021 95th TheMickeyMouse 753 93 380ms 21 Nov 2021 95th hamhub7 753 93 342ms 3 Aug 2022 95th Mikey-Beep 🇬🇧 753 93 352ms 2 Sep 2024 95th michelebastione 🇮🇹 753 93 402ms 14 hours ago 100th MarkStockwellZA 745 94 352ms 12 Jan 2022 100th sabvdf 745 94 384ms 8 Dec 2022 102nd muztanger 737 95 359ms 21 Nov 2021 102nd yannikHoeflich 737 95 376ms 26 Dec 2021 102nd MLPdiscord 737 95 367ms 3 Jan 2022 102nd aDwarfNamedUrist 737 95 353ms 21 Nov 2022 106th p-vf 🇨🇭 729 96 382ms 8 Jan 2022 106th iPablol 729 96 352ms 25 Oct 2023 108th afgarciam 722 97 364ms 21 Nov 2021 108th HassanAliKadhem 🇧🇭 722 97 340ms 14 Jan 2022 108th taylorbrown2686 722 97 366ms 7 Mar 2022 108th m-tkach 🇺🇦 722 97 367ms 5 Oct 2022 108th FrederikHutfless 🇩🇪 722 97 344ms 22 Dec 2022 113th Captschi 714 98 361ms 21 Nov 2021 114th hklemp 🇩🇪 707 99 379ms 21 Nov 2021 115th StronkCheese 🇺🇸 700 100 359ms 3 Feb 2023 115th hippopotam00sehead 🇨🇦 700 100 362ms 11 Sep 2024 117th Droidaloid 686 102 351ms 21 Nov 2021 118th jstein-praxis 680 103 363ms 21 Nov 2021 119th JTrainor11 673 104 368ms 1 Nov 2024 120th wescombs10 667 105 380ms 28 Oct 2022 120th onlmusha1 667 105 383ms 8 Jul 2023 122nd lalkkot 660 106 347ms 27 Apr 2022 122nd khaidigidinos 660 106 351ms 22 Jun 2023 124th JarrodCope 654 107 358ms 19 Apr 2024 125th JDiLenarda 🇫🇷 642 109 345ms 21 Nov 2021 125th foxmcloud555 642 109 351ms 1 Jun 2022 125th lovernj 642 109 386ms 23 Aug 2022 128th demonischuk 636 110 362ms 23 Sep 2023 128th cryptoriddlerUIO 636 110 319ms 2 Mar 2025 130th dpethes 625 112 367ms 26 Jul 2022 131st OmameBeans 593 118 397ms 26 Jun 2025 132nd okuzmeniuk 588 119 350ms 24 Jun 2025 133rd Teekesselchen 565 124 376ms 24 Dec 2021 134th mntdn 560 125 368ms 18 Jun 2025 135th dlorddd 556 126 350ms 21 Nov 2021 135th orifu 556 126 379ms 29 Oct 2024 137th Lancek217 530 132 365ms 22 Dec 2021 138th kevinnaviapaiva 522 134 331ms 6 Mar 2025 139th Betelgeza 515 136 374ms 21 Nov 2021 140th CheeryProgrammer 511 137 364ms 21 Nov 2021 141st pikti 483 145 379ms 21 Nov 2021 142nd bilal2709 432 162 334ms 4 Sep 2025 143rd gpikmddk 400 175 370ms 12 Aug 2022 144th HumanoidCPU 387 181 356ms 24 Aug 2024 145th carlpeter 337 208 361ms 4 Sep 2023 146th mokymok 🇺🇸 311 225 345ms 21 Nov 2021 146th retrohun 311 225 372ms 27 Dec 2022 146th Mabeloid 🇳🇴 311 225 353ms 18 Sep 2024 149th KatieLG-Transpiler 🇬🇧 306 229 358ms 23 Jun 2022 First Prev 81–149 of 149
