The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Abundant Numbers 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 608th kordrun 819 57 9ms 3 Apr 2024 608th ErikGXDev 819 57 9ms 26 Oct 2024 608th alexsave 819 57 9ms 6 Nov 2024 608th Andrey-Plotnikov 819 57 9ms 21 Jun 2025 608th dokutan 819 57 9ms 16 Jul 2025 608th snoozingnewt 🇨🇦 819 57 9ms 9 Oct 2025 608th levinwinter 819 57 9ms 31 Oct 2025 608th Lv0Sys 🇵🇱 819 57 9ms 19 days ago 649th sean-niemann 🇺🇸 818 43 3ms 29 Jul 2024 650th stefangimmillaro 818 71 98ms 17 Jul 2023 651st emgordon154 817 54 130ms 15 Nov 2024 652nd vezzick 817 59 10ms 8 Mar 2021 652nd schachmattmatt 817 59 10ms 16 Aug 2021 652nd annaproxy 817 59 10ms 31 Oct 2021 652nd Anonymousellama21 817 59 9ms 30 Nov 2021 652nd jmerle 🇳🇱 817 59 10ms 21 Jan 2022 652nd fredrik-bakke 🇳🇴 817 59 12ms 2 Oct 2022 652nd firegene 🇮🇪 817 59 10ms 4 Jan 2023 652nd Alex-x90 🇺🇸 817 59 11ms 20 Jan 2023 652nd bzijlema 🇳🇱 817 59 10ms 24 Sep 2023 652nd FCORMERAIS 817 59 10ms 5 Mar 2024 652nd FranklinJiaChen 817 59 10ms 13 Jun 2024 652nd jatloe 817 59 10ms 24 Aug 2024 652nd HumanoidCPU 817 59 11ms 9 Sep 2024 652nd JunkIce 817 59 10ms 24 Nov 2024 652nd rucin93 🇵🇱 817 59 131ms 31 May 2025 652nd Flekay 🇩🇪 817 59 10ms 19 Jun 2025 652nd lelbal 817 59 10ms 23 Jun 2025 652nd LordSir101 817 59 16ms 1 Aug 2025 652nd Babafaba 817 59 10ms 7 Sep 2025 652nd luuumine 🇫🇷 817 59 10ms 7 Nov 2025 652nd Trildcookie 817 59 20ms 2 hours ago 673rd mattiapenati 817 81 120ms 28 Nov 2020 673rd Shanethegamer 🇺🇸 817 81 124ms 13 Mar 2023 673rd emgordon154 817 81 124ms 19 Feb 2025 673rd DialFrost 🇸🇬 817 81 128ms 5 Apr 2025 673rd fuzzylojik-golf 🇺🇸 817 81 126ms 3 Sep 2025 673rd pardouin 🇫🇷 817 81 129ms 19 Sep 2025 679th MeWhenI 🇻🇦 816 60 2ms 13 Nov 2022 679th retrohun 816 60 2ms 16 Aug 2025 681st emgordon154 813 51 10ms 6 Jun 2025 682nd lynn 812 31 33ms 8 Apr 2021 682nd rak1507 🇬🇧 812 31 36ms 18 Oct 2021 684th sean-niemann 🇺🇸 812 74 9ms 25 Mar 2025 685th GrayJoKing 🇦🇺 812 90 128ms 14 Mar 2022 685th snyderek 🇺🇸 812 90 57ms 21 Sep 2024 687th MeWhenI 🇻🇦 812 194 1,169ms 19 Apr 2025 687th primo-ppcg 🇹🇭 812 194 64ms 13 Aug 2025 689th bitsandbeyond 🇳🇱 811 45 437ms 5 Nov 2025 690th KasperKivimaeki 🇫🇮 811 89 441ms 21 days ago 691st UnderKoen 🇳🇱 811 92 1ms 6 Jul 2022 692nd dokutan 810 53 684ms 30 Aug 2025 693rd GrayJoKing 🇦🇺 810 87 27ms 20 Jan 2023 694th Shanethegamer 🇺🇸 809 60 4,106ms 24 Oct 2024 694th inventshah 809 60 4,098ms 24 Oct 2024 694th DialFrost 🇸🇬 809 60 4,483ms 24 Oct 2024 694th emgordon154 809 60 4,032ms 27 Oct 2024 694th wuminws 809 60 3,860ms 18 Feb 2025 694th dokutan 809 60 3,783ms 16 Jul 2025 694th aditsu 809 60 4,083ms 9 Sep 2025 694th jkelly467 809 60 3,101ms 25 days ago 702nd m-tkach 🇺🇦 808 68 1ms 21 Dec 2021 703rd AlephSquirrel 807 28 3ms 4 Nov 2025 704th ovs-code 🇩🇪 807 82 118ms 21 Jun 2023 705th Steffan153 🇫🇮 805 56 346ms 20 Jan 2024 705th snoozingnewt 🇨🇦 805 56 358ms 27 Sep 2025 707th jankaifer 805 58 9ms 8 Aug 2020 707th raphaelimahorn 805 58 9ms 1 Sep 2020 707th Athe81 805 58 9ms 4 Nov 2020 707th ArmaanAS 805 58 9ms 21 Mar 2021 707th kapouer 805 58 9ms 13 Aug 2021 707th makinde 805 58 9ms 12 Nov 2022 707th Betuaredead 805 58 9ms 7 Jan 2023 707th piano-miles 805 58 9ms 30 Mar 2023 707th Firefox760 805 58 9ms 23 Apr 2023 707th canalun 805 58 9ms 25 May 2023 707th olleicua 🇺🇸 805 58 9ms 10 Jan 2024 707th goodwyna21 805 58 10ms 29 Oct 2024 707th Xanderium 805 58 9ms 30 Aug 2025 707th iczelia 🇩🇪 805 58 9ms 14 Oct 2025 First Prev 641–720 of 4,256 Next Last