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 879th eiburns 669 70 16ms 7 Dec 2022 879th falsidge 669 70 19ms 21 Jun 2023 879th Vaekor 669 70 16ms 9 Jul 2023 879th MaxElf999 669 70 14ms 7 Aug 2023 879th RobertHoeh 669 70 9ms 29 Mar 2024 886th emgordon154 669 157 125ms 26 Feb 2025 887th MeWhenI 🇻🇦 668 118 142ms 10 Oct 2023 888th SpareManiKatti 667 72 10ms 11 Sep 2021 888th DayDun 🇸🇪 667 72 31ms 22 Jan 2023 888th Yax42 🇫🇷 667 72 115ms 5 Sep 2025 891st sisyphus-ppcg 🇦🇺 665 101 761ms 21 days ago 892nd madex 🇩🇪 664 123 4ms 20 Feb 2024 893rd janbehrens 🇩🇪 664 133 467ms 21 Nov 2021 894th inventshah 663 126 80ms 13 Sep 2022 895th stefangimmillaro 663 152 445ms 6 Oct 2025 896th SirBogman 🇺🇸 662 58 461ms 20 Feb 2024 897th MeWhenI 🇻🇦 661 317 87ms 29 Aug 2023 898th stordev 660 71 17ms 26 Feb 2021 898th CedricGebistorf 660 71 23ms 9 Mar 2022 898th Andrewjake 660 71 16ms 16 May 2022 898th AlexanderFair 660 71 15ms 3 Aug 2023 898th griffinschreiber 660 71 9ms 3 Nov 2024 903rd emgordon154 660 84 36ms 7 Dec 2024 904th Shanethegamer 🇺🇸 659 87 1,335ms 18 Jan 2023 905th janbehrens 🇩🇪 659 117 575ms 1 May 2023 906th ktiy 659 211 1,905ms 30 May 2024 907th dokutan 658 43 2,419ms 26 Mar 2023 908th p01 658 73 12ms 25 Jul 2025 909th Shanethegamer 🇺🇸 656 160 127ms 28 Jan 2022 910th grondilu 655 43 163ms 26 Mar 2023 911th iczelia 🇩🇪 655 92 63ms 21 Sep 2025 912th Lydxn 🇨🇦 655 154 402ms 15 Sep 2024 913th msbranicky 651 67 380ms 16 Jan 2024 913th Stockoh 🇫🇷 651 67 360ms 24 Jun 2024 915th petar-donchev 651 72 33ms 2 Sep 2019 915th geofft 651 72 10ms 13 Dec 2020 915th SniperSmiley 🇺🇸 651 72 23ms 19 Jul 2022 915th Unknownuserfrommars 651 72 16ms 21 Nov 2024 919th Irratix 🇳🇱 651 81 120ms 16 Nov 2021 919th Shanethegamer 🇺🇸 651 81 119ms 26 May 2022 919th CatsAreFluffy 651 81 118ms 7 Dec 2022 922nd emgordon154 650 94 4,987ms 10 May 2025 923rd Waffle3z 650 139 88ms 8 Apr 2022 924th uttumuttu 🇫🇮 649 74 116ms 6 Mar 2022 924th thadeucity 649 74 9ms 26 May 2025 926th rowan-OzRunways 649 148 142ms 15 Aug 2020 926th snoozingnewt 🇨🇦 649 148 277ms 20 Nov 2025 928th albanian-laundromat 649 180 436ms 18 Oct 2025 929th Alex-x90 🇺🇸 648 126 4ms 29 Jan 2024 929th emgordon154 648 126 29ms 25 Feb 2025 931st proton 🇩🇪 647 58 42ms 8 Jun 2020 931st dokutan 647 58 53ms 4 Oct 2024 931st Lv0Sys 🇵🇱 647 58 37ms 27 May 2025 934th primo-ppcg 🇹🇭 646 156 405ms 25 Apr 2020 935th CaedenHarper 🇨🇦 645 31 58ms 16 Jul 2025 936th KasperKivimaeki 🇫🇮 644 96 4,948ms 13 days ago 937th Shanethegamer 🇺🇸 644 167 190ms 21 Jun 2024 938th janbehrens 🇩🇪 643 127 4ms 15 May 2023 939th osmith93 642 73 11ms 31 Jul 2021 939th CatsAreFluffy 642 73 9ms 7 Dec 2022 939th willdaspit 642 73 16ms 5 Aug 2023 939th adamnielson42 🇺🇸 642 73 11ms 24 Aug 2023 939th diquah 642 73 16ms 1 Nov 2023 944th janbehrens 🇩🇪 641 75 53ms 13 Mar 2021 945th SirFireball3521 640 44 341ms 13 Feb 2023 946th Bubbler-4 640 60 567ms 25 Jan 2022 947th ericlangedijk 🇸🇮 640 138 377ms 17 Mar 2022 948th Shanethegamer 🇺🇸 639 86 995ms 26 May 2022 949th madex 🇩🇪 639 105 216ms 15 Sep 2025 950th leon-w 633 74 178ms 4 Jan 2019 950th LogicalJoe 633 74 9ms 13 Apr 2023 950th wuzekai518 633 74 14ms 12 Jun 2024 953rd luuumine 🇫🇷 633 129 4ms 22 days ago 954th Alex-x90 🇺🇸 633 160 84ms 16 Oct 2022 954th CatsAreFluffy 633 160 79ms 6 Feb 2023 956th bendiscz 633 199 291ms 20 Apr 2020 957th cduerm 630 200 285ms 12 May 2020 958th voytxt 🇨🇿 629 45 2,731ms 19 May 2022 959th MeWhenI 🇻🇦 627 97 2,776ms 22 Nov 2023 960th Indivicivet 626 60 41ms 30 Mar 2021 First Prev 881–960 of 3,332 Next Last