The Calendar hole will go live in approximately 7 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 480th Shanethegamer 🇺🇸 868 54 17ms 12 Feb 2023 480th Yewzir 🇧🇪 868 54 16ms 1 May 2023 480th SB-945 868 54 16ms 17 Jul 2023 480th starfihs 868 54 16ms 20 Jul 2024 480th fkantelberg 868 54 16ms 14 Jul 2025 486th ovs-code 🇩🇪 868 69 5ms 3 Feb 2023 487th Steffan153 🇫🇮 868 94 6ms 30 Aug 2024 488th error256 867 64 8ms 1 Jan 2025 489th Steffan153 🇫🇮 866 91 172ms 31 Aug 2024 490th SirBogman 🇺🇸 866 102 407ms 21 Feb 2024 491st Herbert00709 🇵🇱 866 117 64ms 4 Apr 2025 492nd ovs-code 🇩🇪 861 71 3,763ms 30 Nov 2024 493rd edsrzf 🇳🇿 860 48 752ms 4 Sep 2025 494th DialFrost 🇸🇬 860 70 723ms 28 Aug 2024 495th xsot 🇸🇬 859 72 3,546ms 7 Sep 2024 496th xsot 🇸🇬 859 95 6ms 23 Nov 2025 497th SirBogman 🇺🇸 859 118 78ms 20 Feb 2024 497th jared-hughes 859 118 62ms 18 Sep 2024 499th prplz 🇦🇺 858 56 9ms 14 Jun 2020 499th tomtheisen 🇺🇸 858 56 14ms 8 Oct 2020 499th AlephSquirrel 858 56 9ms 10 Feb 2023 502nd rucin93 🇵🇱 857 92 88ms 3 Jul 2025 503rd clockworknazo 856 70 265ms 19 Oct 2023 504th lynn 855 137 62ms 4 Aug 2023 505th GrayJoKing 🇦🇺 854 116 43ms 2 Jul 2024 506th orthoplex 🇨🇽 853 44 40ms 31 Mar 2022 507th GrayJoKing 🇦🇺 853 45 30ms 5 Jun 2025 508th MeWhenI 🇻🇦 853 119 1,049ms 16 Dec 2024 509th Ripick 853 126 207ms 24 Jun 2024 510th edre 852 55 10ms 2 May 2018 510th prplz 🇦🇺 852 55 10ms 14 Jun 2020 510th TFeld00 🇩🇰 852 55 10ms 4 Nov 2020 510th Irratix 🇳🇱 852 55 10ms 7 May 2022 510th btjones0 852 55 10ms 15 Jul 2022 510th wen1now 852 55 14ms 7 Nov 2023 510th LostSyntax21 🇬🇧 852 55 11ms 22 Aug 2024 510th madeforlosers 852 55 12ms 5 Sep 2024 510th 5cw 🇺🇸 852 55 12ms 17 Nov 2024 510th agreegious 852 55 11ms 16 Mar 2025 510th AstroOrbis 852 55 12ms 1 Jul 2025 510th piano-miles 852 55 10ms 2 Aug 2025 522nd primo-ppcg 🇹🇭 849 98 208ms 10 Dec 2022 523rd MeWhenI 🇻🇦 849 138 43ms 7 Jun 2023 524th DialFrost 🇸🇬 848 93 163ms 18 Oct 2024 525th emplv 🇱🇻 847 73 1,398ms 26 Jan 2023 525th Steffan153 🇫🇮 847 73 2,796ms 29 Aug 2024 527th dvargas46 🇺🇸 845 72 2,147ms 9 Mar 2023 527th DialFrost 🇸🇬 845 72 2,430ms 19 Sep 2024 529th m-tkach 🇺🇦 844 120 69ms 15 Dec 2022 530th jbt 843 57 9ms 26 Dec 2023 530th madeforlosers 843 57 12ms 5 Sep 2024 530th LostSyntax21 🇬🇧 843 57 11ms 1 Dec 2024 530th Ultra814 843 57 9ms 20 Sep 2025 534th MeWhenI 🇻🇦 843 114 108ms 15 Jul 2023 535th ovs-code 🇩🇪 840 139 453ms 27 Mar 2025 536th sean-niemann 🇺🇸 840 150 274ms 11 Jan 2025 537th Kacarott 🇦🇺 837 45 146ms 13 Sep 2024 538th Herbert00709 🇵🇱 837 56 19ms 5 May 2024 538th croc54 837 56 9ms 1 Dec 2024 540th SirBogman 🇺🇸 834 45 44ms 29 Jan 2024 540th emgordon154 834 45 48ms 10 May 2025 542nd primo-ppcg 🇹🇭 834 55 12ms 30 Jan 2022 543rd FortuiteMan 🇫🇷 834 59 8ms 12 Nov 2025 544th edsrzf 🇳🇿 834 96 131ms 20 days ago 544th snoozingnewt 🇨🇦 834 96 114ms 16 days ago 546th emplv 🇱🇻 834 151 282ms 26 Jan 2023 547th primo-ppcg 🇹🇭 833 24 61ms 10 Dec 2022 547th saito-ta 🇯🇵 833 24 49ms 4 Aug 2023 549th sean-niemann 🇺🇸 833 119 78ms 21 Mar 2025 550th andersk 🇺🇸 833 126 132ms 28 Nov 2022 551st tidalDisruptionEvent 🇨🇦 832 34 230ms 2 Apr 2023 552nd MeWhenI 🇻🇦 830 122 72ms 15 Jul 2023 553rd ovs-code 🇩🇪 829 34 124ms 4 Jan 2024 554th emgordon154 829 93 499ms 26 May 2025 555th MeWhenI 🇻🇦 829 152 278ms 10 Feb 2023 556th stefangimmillaro 827 127 130ms 4 Jun 2025 557th DialFrost 🇸🇬 826 50 754ms 29 Aug 2025 558th Steffan153 🇫🇮 825 73 170ms 29 Aug 2024 559th SirBogman 🇺🇸 825 99 4ms 20 Feb 2024 559th jared-hughes 825 99 6ms 18 Sep 2024 First Prev 481–560 of 3,333 Next Last