The Calendar hole will go live in approximately 4 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 881st MeWhenI 🇻🇦 670 82 868ms 11 May 2023 882nd Dadoum 670 115 475ms 3 Mar 2022 883rd lovernj 669 70 16ms 7 Feb 2022 883rd trist224 🇫🇷 669 70 16ms 16 Nov 2022 883rd eiburns 669 70 16ms 7 Dec 2022 883rd falsidge 669 70 19ms 21 Jun 2023 883rd Vaekor 669 70 16ms 9 Jul 2023 883rd MaxElf999 669 70 14ms 7 Aug 2023 883rd RobertHoeh 669 70 9ms 29 Mar 2024 890th emgordon154 669 157 125ms 26 Feb 2025 891st MeWhenI 🇻🇦 668 118 142ms 10 Oct 2023 892nd SpareManiKatti 667 72 10ms 11 Sep 2021 892nd DayDun 🇸🇪 667 72 31ms 22 Jan 2023 892nd Yax42 🇫🇷 667 72 115ms 5 Sep 2025 895th sisyphus-ppcg 🇦🇺 665 101 761ms 25 days ago 896th madex 🇩🇪 664 123 4ms 20 Feb 2024 897th janbehrens 🇩🇪 664 133 461ms 21 Nov 2021 898th stefangimmillaro 664 152 445ms 6 Oct 2025 899th inventshah 663 126 80ms 13 Sep 2022 900th SirBogman 🇺🇸 662 58 461ms 20 Feb 2024 901st MeWhenI 🇻🇦 661 317 87ms 29 Aug 2023 902nd stordev 660 71 17ms 26 Feb 2021 902nd CedricGebistorf 660 71 23ms 9 Mar 2022 902nd Andrewjake 660 71 16ms 16 May 2022 902nd AlexanderFair 660 71 15ms 3 Aug 2023 902nd griffinschreiber 660 71 9ms 3 Nov 2024 907th emgordon154 660 84 36ms 7 Dec 2024 908th Shanethegamer 🇺🇸 659 87 1,335ms 18 Jan 2023 909th janbehrens 🇩🇪 659 117 575ms 1 May 2023 910th ktiy 659 211 1,905ms 30 May 2024 911th dokutan 658 43 2,037ms 26 Mar 2023 912th p01 658 73 12ms 25 Jul 2025 913th Shanethegamer 🇺🇸 656 160 127ms 28 Jan 2022 914th grondilu 655 43 153ms 26 Mar 2023 915th iczelia 🇩🇪 655 92 63ms 21 Sep 2025 916th Lydxn 🇨🇦 655 154 402ms 15 Sep 2024 917th Waffle3z 652 139 85ms 8 Apr 2022 918th msbranicky 651 67 380ms 16 Jan 2024 918th Stockoh 🇫🇷 651 67 360ms 24 Jun 2024 920th petar-donchev 651 72 33ms 2 Sep 2019 920th geofft 651 72 10ms 13 Dec 2020 920th SniperSmiley 🇺🇸 651 72 23ms 19 Jul 2022 920th Unknownuserfrommars 651 72 16ms 21 Nov 2024 924th Irratix 🇳🇱 651 81 120ms 16 Nov 2021 924th Shanethegamer 🇺🇸 651 81 119ms 26 May 2022 924th CatsAreFluffy 651 81 118ms 7 Dec 2022 927th emgordon154 650 94 4,163ms 10 May 2025 928th uttumuttu 🇫🇮 649 74 116ms 6 Mar 2022 928th thadeucity 649 74 9ms 26 May 2025 930th rowan-OzRunways 649 148 142ms 15 Aug 2020 930th snoozingnewt 🇨🇦 649 148 277ms 20 Nov 2025 932nd albanian-laundromat 649 180 436ms 18 Oct 2025 933rd Alex-x90 🇺🇸 648 126 4ms 29 Jan 2024 933rd emgordon154 648 126 29ms 25 Feb 2025 935th proton 🇩🇪 647 58 51ms 8 Jun 2020 935th dokutan 647 58 52ms 4 Oct 2024 935th Lv0Sys 🇵🇱 647 58 45ms 27 May 2025 938th primo-ppcg 🇹🇭 647 156 405ms 25 Apr 2020 939th CaedenHarper 🇨🇦 645 31 43ms 16 Jul 2025 940th KasperKivimaeki 🇫🇮 644 96 4,132ms 16 days ago 941st Shanethegamer 🇺🇸 644 167 190ms 21 Jun 2024 942nd janbehrens 🇩🇪 643 127 4ms 15 May 2023 943rd osmith93 642 73 11ms 31 Jul 2021 943rd CatsAreFluffy 642 73 9ms 7 Dec 2022 943rd willdaspit 642 73 16ms 5 Aug 2023 943rd adamnielson42 🇺🇸 642 73 11ms 24 Aug 2023 943rd diquah 642 73 16ms 1 Nov 2023 948th janbehrens 🇩🇪 641 75 53ms 13 Mar 2021 949th SirFireball3521 640 44 299ms 13 Feb 2023 950th Bubbler-4 640 60 567ms 25 Jan 2022 951st ericlangedijk 🇸🇮 640 138 377ms 17 Mar 2022 952nd Shanethegamer 🇺🇸 639 86 995ms 26 May 2022 953rd madex 🇩🇪 639 105 216ms 15 Sep 2025 954th leon-w 633 74 178ms 4 Jan 2019 954th LogicalJoe 633 74 9ms 13 Apr 2023 954th wuzekai518 633 74 14ms 12 Jun 2024 957th luuumine 🇫🇷 633 129 4ms 26 days ago 958th Alex-x90 🇺🇸 633 160 73ms 16 Oct 2022 958th CatsAreFluffy 633 160 64ms 6 Feb 2023 960th bendiscz 633 199 291ms 20 Apr 2020 First Prev 881–960 of 3,338 Next Last