The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
𝑒 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 561st MeWhenI 🇻🇦 824 116 19ms 21 Jul 2023 562nd neel11235813 822 31 37ms 16 Feb 2023 562nd MeWhenI 🇻🇦 822 31 37ms 16 Apr 2023 562nd o0lit3 🇺🇸 822 31 37ms 7 Jun 2023 565th nstearns96 🇬🇧 822 57 19ms 10 Jan 2023 565th janbehrens 🇩🇪 822 57 18ms 17 Jun 2023 565th ListeriaM 822 57 16ms 19 Aug 2023 565th FlorianCassayre 🇫🇷 822 57 12ms 18 Sep 2023 565th shelerr 822 57 17ms 9 Jan 2024 565th glassala 822 57 17ms 25 Dec 2024 571st primo-ppcg 🇹🇭 820 67 1,025ms 25 Nov 2021 572nd primo-ppcg 🇹🇭 819 33 152ms 6 Dec 2020 573rd DialFrost 🇸🇬 819 56 27ms 24 Mar 2025 574th MeWhenI 🇻🇦 819 121 46ms 15 Jul 2023 575th GrayJoKing 🇦🇺 819 143 61ms 12 Jan 2023 576th Natanaelel 🇸🇪 816 46 44ms 20 Feb 2023 577th inventshah 814 59 10ms 12 Jun 2022 577th GeorgeStechman 🇬🇧 814 59 17ms 20 Jun 2022 577th two-bad 🇬🇧 814 59 17ms 17 Dec 2023 580th btnlq 814 74 111ms 6 Nov 2022 580th sisyphus-ppcg 🇦🇺 814 74 370ms 29 Aug 2024 582nd MeWhenI 🇻🇦 811 109 44ms 29 Apr 2025 583rd CaedenHarper 🇨🇦 810 51 721ms 10 Sep 2025 584th jslip 808 35 202ms 4 Sep 2018 584th cure-honey 🇯🇵 808 35 210ms 15 Jun 2021 584th yzhs 🇩🇪 808 35 179ms 21 Jun 2022 587th guliyevemil1 🇦🇿 808 58 16ms 16 Apr 2020 587th albanian-laundromat 808 58 10ms 25 Jun 2025 589th DialFrost 🇸🇬 808 68 955ms 23 Aug 2024 590th m-tkach 🇺🇦 808 101 4ms 15 Dec 2022 591st sean-niemann 🇺🇸 808 130 129ms 8 Jun 2025 592nd namelessiw 807 125 786ms 7 Oct 2025 593rd AdrienHache 🇫🇷 803 110 358ms 16 Jan 2025 594th rambox11 801 60 9ms 5 Feb 2019 594th MeWhenI 🇻🇦 801 60 10ms 31 Jul 2023 596th HPWiz 🇳🇿 800 25 41ms 26 Jul 2022 597th MeWhenI 🇻🇦 800 102 4ms 15 Jul 2023 598th CaedenHarper 🇨🇦 800 126 493ms 10 Oct 2025 599th jacobly0 🇺🇸 799 174 1,676ms 18 Sep 2025 600th DialFrost 🇸🇬 797 263 2,926ms 22 Apr 2025 601st error256 796 69 967ms 23 Aug 2024 602nd Yax42 🇫🇷 796 111 749ms 12 Jun 2024 603rd MeWhenI 🇻🇦 796 135 162ms 15 Jul 2023 604th cure-honey 🇯🇵 796 167 68ms 11 Jul 2021 605th ovs-code 🇩🇪 796 249 3,863ms 7 Jul 2024 606th MeWhenI 🇻🇦 795 34 151ms 17 Feb 2025 607th SirBogman 🇺🇸 794 48 243ms 27 Feb 2024 608th KatieLG 🇬🇧 794 59 18ms 1 Nov 2020 608th vezzick 794 59 13ms 8 Mar 2021 608th RYNO8 794 59 17ms 8 Aug 2021 608th anter69 🇭🇺 794 59 16ms 22 Jan 2022 608th CarsonChr 🇺🇸 794 59 16ms 20 Sep 2022 608th cingulataluke 794 59 17ms 26 Aug 2023 608th keelimeguy 🇺🇸 794 59 16ms 6 Nov 2023 608th zwxzwxzwx21 794 59 16ms 7 Feb 2024 608th roupiq 🇵🇱 794 59 9ms 18 Apr 2024 608th HumanoidCPU 794 59 9ms 14 Aug 2024 608th jatloe 794 59 17ms 23 Aug 2024 608th dokutan 794 59 18ms 4 Oct 2024 608th andrewjc2000 794 59 12ms 12 Mar 2025 608th FortuiteMan 🇫🇷 794 59 17ms 16 days ago 622nd jared-hughes 793 250 388ms 22 Jul 2023 623rd kg583 🇺🇸 792 70 12ms 23 Nov 2025 624th jared-hughes 790 77 4,470ms 18 Sep 2024 625th lyphyser 788 61 9ms 3 Jun 2023 625th targrik 788 61 9ms 18 Feb 2025 625th Posandu 788 61 11ms 27 Aug 2025 628th stefangimmillaro 788 122 149ms 8 Mar 2023 629th Natanaelel 🇸🇪 787 67 114ms 22 Apr 2025 630th MeWhenI 🇻🇦 787 98 488ms 28 Feb 2022 631st msbranicky 787 160 340ms 31 Aug 2023 632nd Indivicivet 786 36 248ms 30 Mar 2021 632nd msbranicky 786 36 199ms 12 Jan 2024 634th chunes3 🇺🇸 785 48 228ms 15 Sep 2023 635th BlankSpruce 785 129 70ms 17 Feb 2023 636th 2bular 784 49 215ms 23 Oct 2024 637th NewDefectus 🇮🇱 781 60 10ms 14 Feb 2021 637th jared-hughes 781 60 9ms 6 Oct 2021 637th didion0 🇺🇸 781 60 10ms 24 Feb 2022 637th crispshaker 781 60 16ms 18 Mar 2023 First Prev 561–640 of 3,332 Next Last