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 401st Shanethegamer 🇺🇸 879 73 3ms 20 Dec 2024 402nd JayXon 🇺🇸 878 131 1,949ms 14 Sep 2025 403rd isaacg1 877 79 124ms 3 Jan 2020 403rd timvermeulen 877 79 128ms 3 Jan 2020 403rd d0x2f 877 79 154ms 5 Jan 2020 403rd btjones0 877 79 146ms 8 Jan 2021 403rd primo-ppcg 🇹🇭 877 79 123ms 14 Jan 2022 403rd stefangimmillaro 877 79 127ms 22 Aug 2023 403rd stackofbears 877 79 132ms 22 Oct 2024 403rd acotis 877 79 126ms 13 Apr 2025 411th GrayJoKing 🇦🇺 877 90 128ms 14 Mar 2022 411th snyderek 🇺🇸 877 90 57ms 21 Sep 2024 413th sean-niemann 🇺🇸 876 42 258ms 11 Jun 2024 413th nwellnhof 🇩🇪 876 42 873ms 27 Aug 2024 415th MeWhenI 🇻🇦 875 48 7ms 13 Aug 2024 415th DialFrost 🇸🇬 875 48 8ms 13 Aug 2024 415th Steffan153 🇫🇮 875 48 7ms 13 Aug 2024 415th Shanethegamer 🇺🇸 875 48 7ms 15 Aug 2024 415th ovs-code 🇩🇪 875 48 7ms 20 Aug 2024 415th lynn 875 48 7ms 15 Dec 2024 421st edsrzf 🇳🇿 875 84 99ms 19 days ago 421st snoozingnewt 🇨🇦 875 84 102ms 18 days ago 423rd zacjl 875 88 41ms 13 Feb 2025 424th UnderKoen 🇳🇱 874 92 1ms 6 Jul 2022 425th nwellnhof 🇩🇪 874 104 273ms 22 Dec 2021 426th UpwardProcess 871 61 5ms 26 Nov 2019 426th DialFrost 🇸🇬 871 61 6ms 22 Dec 2023 428th o0lit3 🇺🇸 870 45 3ms 23 Jun 2021 428th nwellnhof 🇩🇪 870 45 34ms 27 Aug 2024 430th primo-ppcg 🇹🇭 870 53 53ms 1 Dec 2021 431st ovs-code 🇩🇪 869 127 1ms 20 May 2022 432nd prplz 🇦🇺 868 44 982ms 24 Mar 2021 432nd Shanethegamer 🇺🇸 868 44 1,040ms 10 Feb 2022 432nd MeWhenI 🇻🇦 868 44 973ms 12 Aug 2022 432nd error256 868 44 962ms 29 Jul 2024 432nd emgordon154 868 44 881ms 12 Nov 2024 437th Irratix 🇳🇱 868 54 10ms 26 Jul 2020 437th Argeento 🇵🇱 868 54 9ms 11 Oct 2020 437th Attero 🇸🇪 868 54 10ms 20 Oct 2020 437th o0lit3 🇺🇸 868 54 9ms 21 Jan 2021 437th GrayJoKing 🇦🇺 868 54 9ms 5 Jun 2021 437th inventshah 868 54 9ms 17 Jun 2022 437th dmrichwa 🇺🇸 868 54 9ms 4 Dec 2022 437th DialFrost 🇸🇬 868 54 9ms 8 Feb 2023 437th Maznek 868 54 10ms 6 Jul 2023 437th voytxt 🇨🇿 868 54 9ms 14 Jul 2023 437th MeWhenI 🇻🇦 868 54 9ms 21 Aug 2023 437th itserasmus 868 54 9ms 25 Jan 2024 437th fuzzylojik-golf 🇺🇸 868 54 10ms 29 May 2025 437th acollett89 868 54 9ms 21 Jul 2025 451st clockworknazo 868 57 3ms 15 Nov 2022 452nd Lydxn 🇨🇦 868 78 37ms 21 Jun 2022 453rd wilihybrid 🇫🇮 868 91 55ms 3 Jan 2022 453rd inventshah 868 91 70ms 17 Jun 2022 455th emgordon154 868 141 501ms 24 Mar 2025 455th DialFrost 🇸🇬 868 141 555ms 28 Mar 2025 455th Shanethegamer 🇺🇸 868 141 423ms 10 Apr 2025 458th m-tkach 🇺🇦 866 68 1ms 21 Dec 2021 459th Lydxn 🇨🇦 866 91 29ms 11 Jul 2023 460th jujurocking 865 47 40ms 18 May 2021 460th lynn 865 47 44ms 2 Dec 2021 460th ls-samer-abuthaher 865 47 37ms 6 Oct 2022 460th error256 865 47 53ms 3 Jul 2024 464th RobertHoeh 865 66 124ms 25 Jan 2024 465th edsrzf 🇳🇿 865 89 41ms 30 Mar 2025 466th MeWhenI 🇻🇦 862 128 1ms 18 May 2022 467th stefangimmillaro 861 59 3,681ms 24 Oct 2024 467th MeWhenI 🇻🇦 861 59 3,678ms 27 Oct 2024 469th Steffan153 🇫🇮 860 44 82ms 15 Aug 2024 470th rucin93 🇵🇱 859 55 129ms 25 Oct 2024 470th ovs-code 🇩🇪 859 55 366ms 10 Feb 2025 470th kg583 🇺🇸 859 55 419ms 14 Oct 2025 473rd MeWhenI 🇻🇦 858 42 19ms 8 Mar 2025 474th primo-ppcg 🇹🇭 858 92 76ms 18 Jan 2022 474th MeWhenI 🇻🇦 858 92 77ms 21 Aug 2023 474th Herbert00709 🇵🇱 858 92 57ms 24 Feb 2024 474th ovs-code 🇩🇪 858 92 75ms 10 Mar 2025 474th fuzzylojik-golf 🇺🇸 858 92 76ms 29 May 2025 474th DialFrost 🇸🇬 858 92 78ms 3 days ago 480th Attero 🇸🇪 857 62 4ms 9 Sep 2020 First Prev 401–480 of 4,274 Next Last