The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Abundant Numbers 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 481st DialFrost 🇸🇬 857 67 41ms 29 Oct 2024 481st SirBogman 🇺🇸 857 67 40ms 29 Oct 2024 483rd primo-ppcg 🇹🇭 857 74 26ms 4 Feb 2021 483rd kg583 🇺🇸 857 74 26ms 28 Jan 2025 485th lynn 856 31 33ms 8 Apr 2021 485th rak1507 🇬🇧 856 31 36ms 18 Oct 2021 487th sean-niemann 🇺🇸 856 92 27ms 19 May 2025 488th mattiapenati 855 81 120ms 28 Nov 2020 488th Shanethegamer 🇺🇸 855 81 124ms 13 Mar 2023 488th emgordon154 855 81 124ms 19 Feb 2025 488th DialFrost 🇸🇬 855 81 128ms 5 Apr 2025 488th fuzzylojik-golf 🇺🇸 855 81 126ms 3 Sep 2025 488th pardouin 🇫🇷 855 81 129ms 19 Sep 2025 494th GolfingSuccess 🇬🇷 855 143 462ms 12 days ago 495th AlephSquirrel 854 28 3ms 4 Nov 2025 496th m-tkach 🇺🇦 854 98 24ms 31 Mar 2022 496th sean-niemann 🇺🇸 854 98 25ms 29 Jul 2024 498th sean-niemann 🇺🇸 853 58 2ms 6 Apr 2024 499th btnlq 853 63 2ms 11 Sep 2022 499th clockworknazo 853 63 2ms 18 Sep 2022 501st GolfingSuccess 🇬🇷 852 27 96ms 25 Jul 2022 501st SniperSmiley 🇺🇸 852 27 71ms 12 Nov 2022 501st prplz 🇦🇺 852 27 80ms 20 Jan 2023 504th prplz 🇦🇺 852 55 9ms 18 Nov 2019 504th ETHproductions 🇺🇸 852 55 10ms 8 Apr 2020 504th efgen 852 55 9ms 8 Jun 2020 504th PatrickStephansen 🇿🇦 852 55 9ms 2 Sep 2020 504th tomtheisen 🇺🇸 852 55 9ms 26 Sep 2020 504th NewDefectus 🇮🇱 852 55 9ms 4 Oct 2020 504th LoLoLucky 852 55 9ms 7 Dec 2020 504th nwellnhof 🇩🇪 852 55 9ms 10 Jan 2021 504th didion0 🇺🇸 852 55 9ms 9 Mar 2021 504th ScottHamper 852 55 9ms 26 May 2021 504th itsh01 852 55 10ms 10 Aug 2021 504th jakzo 852 55 9ms 5 Sep 2021 504th nathanadams 🇳🇿 852 55 9ms 10 Sep 2021 504th janlelis 852 55 9ms 11 Nov 2021 504th igmcdowell 852 55 9ms 16 Nov 2021 504th emgordon154 852 55 9ms 29 Nov 2021 504th KrausRaus 🇺🇸 852 55 10ms 7 Dec 2021 504th KingSkyrock 🇺🇸 852 55 9ms 12 Feb 2022 504th ovs-code 🇩🇪 852 55 9ms 16 Dec 2022 504th tayloia 🇬🇧 852 55 9ms 12 Jan 2023 504th thisishowmymindworks 🇳🇴 852 55 10ms 11 May 2023 504th biocommando 🇫🇮 852 55 9ms 16 Aug 2023 504th helbling 🇨🇭 852 55 9ms 29 Feb 2024 504th Natanaelel 🇸🇪 852 55 10ms 12 Mar 2024 504th Yax42 🇫🇷 852 55 9ms 5 Sep 2025 504th denis-jasselette 852 55 9ms 17 Oct 2025 530th DialFrost 🇸🇬 852 65 23ms 16 Dec 2024 531st RussellEmerine 852 67 124ms 2 Jan 2020 531st hymanimy 852 67 131ms 19 Aug 2021 531st MeWhenI 🇻🇦 852 67 130ms 12 Aug 2022 531st PPKFS 852 67 122ms 10 Dec 2022 531st arutonee1 852 67 112ms 2 days ago 536th Steffan153 🇫🇮 851 46 4ms 31 Jan 2023 537th pardouin 🇫🇷 849 41 573ms 15 Sep 2024 538th anter69 🇭🇺 849 45 823ms 23 Feb 2023 538th edsrzf 🇳🇿 849 45 996ms 21 Jan 2025 540th edsrzf 🇳🇿 849 61 73ms 7 Jun 2025 541st Irratix 🇳🇱 849 93 71ms 3 Jan 2022 541st prplz 🇦🇺 849 93 83ms 4 Jan 2022 541st Mandrzejy 🇵🇱 849 93 82ms 28 Mar 2024 541st tailorspy 849 93 61ms 22 May 2024 545th Haksell 🇦🇶 847 48 46ms 13 Apr 2020 545th jaredcrystal 🇺🇸 847 48 36ms 14 Dec 2020 545th hiddicop 🇸🇪 847 48 36ms 31 Jan 2021 545th gilufin 847 48 43ms 22 May 2021 545th orthoplex 🇨🇽 847 48 41ms 31 Mar 2022 545th yzhs 🇩🇪 847 48 37ms 20 Jul 2022 545th KatieLG 🇬🇧 847 48 31ms 9 Oct 2022 545th OhmNomNom 847 48 44ms 18 Oct 2022 545th rniii 847 48 37ms 21 Aug 2023 545th Just4FunCoder 847 48 33ms 2 Jul 2024 545th dokutan 847 48 37ms 5 Sep 2024 545th FlyingPenguin223 847 48 46ms 11 Oct 2024 545th edsrzf 🇳🇿 847 48 55ms 21 Jan 2025 545th csharpython 847 48 37ms 23 Jul 2025 559th Shanethegamer 🇺🇸 846 60 4,106ms 24 Oct 2024 559th inventshah 846 60 4,098ms 24 Oct 2024 First Prev 481–560 of 4,274 Next Last