The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Abundant Numbers in Python 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 78th Anonymousellama21 831 59 9ms 30 Nov 2021 78th jmerle 🇳🇱 831 59 10ms 21 Jan 2022 78th fredrik-bakke 🇳🇴 831 59 12ms 2 Oct 2022 78th firegene 🇮🇪 831 59 10ms 4 Jan 2023 78th Alex-x90 🇺🇸 831 59 11ms 20 Jan 2023 78th bzijlema 🇳🇱 831 59 10ms 24 Sep 2023 78th FCORMERAIS 831 59 10ms 5 Mar 2024 78th FranklinJiaChen 831 59 10ms 13 Jun 2024 78th jatloe 831 59 10ms 24 Aug 2024 78th HumanoidCPU 831 59 11ms 9 Sep 2024 78th JunkIce 831 59 10ms 24 Nov 2024 78th rucin93 🇵🇱 831 59 131ms 31 May 2025 78th Flekay 🇩🇪 831 59 10ms 19 Jun 2025 78th lelbal 831 59 10ms 23 Jun 2025 78th LordSir101 831 59 16ms 1 Aug 2025 78th Babafaba 831 59 10ms 7 Sep 2025 78th luuumine 🇫🇷 831 59 10ms 7 Nov 2025 78th Trildcookie 831 59 20ms 4 hours ago 99th leon-w 817 60 11ms 4 Mar 2020 99th thisishowmymindworks 🇳🇴 817 60 10ms 14 Oct 2020 99th HelloGravity 817 60 9ms 29 Oct 2020 99th mrnomm 817 60 9ms 30 Oct 2020 99th Espiobest 817 60 10ms 26 Feb 2021 99th gitbedd 🇬🇧 817 60 14ms 6 Jan 2022 99th bob-th 817 60 11ms 5 Aug 2022 99th Starwort 🇬🇧 817 60 9ms 4 Dec 2022 99th AlephSquirrel 817 60 9ms 9 Feb 2023 99th ovs-code 🇩🇪 817 60 9ms 21 Oct 2023 99th 5cw 🇺🇸 817 60 9ms 4 Apr 2024 99th Rubiksmath 817 60 9ms 7 May 2024 99th webmiche 817 60 10ms 3 Nov 2025 112th inventshah 803 61 9ms 8 Aug 2020 112th rklavin 803 61 10ms 12 Sep 2020 112th yzhs 🇩🇪 803 61 10ms 25 Oct 2020 112th GeneralTwi 803 61 10ms 2 May 2022 112th CarsonChr 🇺🇸 803 61 10ms 18 Sep 2022 112th dhilman 803 61 9ms 25 Sep 2022 112th The3gs 803 61 9ms 10 Oct 2022 112th bricknellj 803 61 9ms 24 Jan 2023 112th kaptsanovb 803 61 10ms 20 Apr 2023 112th lynn 803 61 15ms 20 Oct 2023 112th elgan65536 803 61 10ms 18 Nov 2023 112th ridingqwerty 🇺🇸 803 61 10ms 6 Dec 2023 112th VictorStenvers 🇳🇱 803 61 10ms 29 Jan 2024 112th ArcticBeat05 803 61 9ms 19 Sep 2024 112th Artemis21 🇬🇧 803 61 11ms 10 Jan 2025 112th addmai 803 61 9ms 31 Jul 2025 112th madeforlosers 803 61 11ms 11 Nov 2025 112th bizy-coder 803 61 9ms 19 days ago 130th P-Quentin 🇫🇷 790 62 9ms 5 Aug 2022 130th jsthope 790 62 10ms 28 Sep 2022 132nd daedals 778 63 9ms 19 Nov 2019 132nd RDShah 778 63 9ms 7 Aug 2020 132nd tomtheisen 🇺🇸 778 63 10ms 2 Oct 2020 132nd thehylian 778 63 9ms 31 Dec 2022 132nd nstearns96 🇬🇧 778 63 18ms 12 Jan 2023 132nd FortuiteMan 🇫🇷 778 63 10ms 23 Apr 2023 132nd ballaire 778 63 9ms 22 Jan 2024 132nd wuzekai518 778 63 17ms 23 Jul 2024 132nd gallium-gonzollium 778 63 19ms 25 Aug 2024 132nd Bulmenisaurus 778 63 11ms 3 Nov 2024 132nd wh3n3v3r 🇨🇿 778 63 16ms 7 Nov 2024 132nd mrondon8 778 63 19ms 4 Dec 2024 132nd tjwrenn 778 63 18ms 9 Dec 2024 132nd zacjl 778 63 17ms 11 days ago 146th 77Tigers 766 64 10ms 8 Mar 2021 146th neihousaigaai 766 64 11ms 8 May 2021 146th NewDefectus 🇮🇱 766 64 10ms 19 Dec 2021 146th jared-hughes 766 64 9ms 4 Apr 2022 146th LogicalJoe 766 64 11ms 11 Oct 2022 146th Anthony-Williams-06 766 64 12ms 22 Nov 2022 146th quimey 766 64 11ms 22 Mar 2023 146th Fracture17 766 64 14ms 6 Apr 2023 146th fgrosshans 🇫🇷 766 64 11ms 5 May 2023 146th InigoK 🇺🇸 766 64 10ms 12 Jun 2023 146th AlexanderFair 766 64 11ms 24 Jul 2023 146th 5quiwyrm 766 64 13ms 27 Jul 2023 146th bac0id 766 64 11ms 26 Sep 2023 146th htareque 766 64 11ms 1 Nov 2023 146th Bmrl7 766 64 10ms 3 Mar 2024 First Prev 81–160 of 1,135 Next Last