The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Emirp Numbers in Raku in bytes. 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 Bytes Time Submitted 1st primo-ppcg 🇹🇭 1,000 40 132ms 8 Mar 2022 1st nwellnhof 🇩🇪 1,000 40 112ms 29 Oct 2022 3rd Lydxn 🇨🇦 976 41 121ms 7 Mar 2022 3rd Steffan153 🇫🇮 976 41 171ms 29 Oct 2022 5th AlexDaniel 🇪🇪 952 42 113ms 24 Oct 2017 5th GrayJoKing 🇦🇺 952 42 109ms 18 Oct 2020 5th Natanaelel 🇸🇪 952 42 123ms 18 Jan 2022 5th sisyphus-ppcg 🇦🇺 952 42 147ms 3 Mar 2023 5th DialFrost 🇸🇬 952 42 112ms 25 Dec 2024 5th sean-niemann 🇺🇸 952 42 131ms 14 Jan 2025 11th scpchicken 🇵🇼 930 43 134ms 22 Feb 2023 12th Attero 🇸🇪 909 44 100ms 24 Apr 2020 12th SirBogman 🇺🇸 909 44 119ms 29 Oct 2022 12th SirFireball3521 909 44 109ms 3 Mar 2023 15th dan-simon 889 45 103ms 28 Dec 2017 15th evb0110 889 45 106ms 24 Jan 2018 15th labster 889 45 132ms 4 Feb 2018 15th hughsimpson 889 45 101ms 9 Jul 2018 19th mcreenan 870 46 124ms 20 Jun 2018 19th m-dango 870 46 128ms 2 Jul 2018 21st bluebear94 851 47 102ms 12 Feb 2018 21st phdphil 851 47 143ms 27 Apr 2018 23rd retrohun 816 49 121ms 26 Apr 2019 24th yokasuretsu 800 50 116ms 22 Jun 2018 24th Shanethegamer 🇺🇸 800 50 110ms 27 Apr 2021 24th ovs-code 🇩🇪 800 50 182ms 8 May 2024 27th bbkr 784 51 97ms 14 Nov 2018 27th somebody1234 784 51 112ms 9 Dec 2018 27th metakuna 784 51 139ms 12 Apr 2019 27th BBoehm 🇩🇪 784 51 108ms 30 Dec 2020 27th prplz 🇦🇺 784 51 131ms 9 May 2021 32nd JRaspass 🇬🇧 769 52 100ms 26 Dec 2017 32nd IAGOAG 769 52 129ms 25 Jun 2018 32nd xohmz 769 52 108ms 4 Nov 2018 32nd elisherer 🇮🇱 769 52 139ms 13 Apr 2019 32nd o0lit3 🇺🇸 769 52 127ms 10 Jul 2020 32nd rucin93 🇵🇱 769 52 123ms 7 Sep 2020 32nd olivermrose 🇺🇸 769 52 145ms 20 Sep 2021 32nd krcs 🇵🇱 769 52 120ms 21 Apr 2022 32nd MeWhenI 🇻🇦 769 52 134ms 4 Aug 2022 32nd trist224 🇫🇷 769 52 158ms 28 Nov 2022 32nd neel11235813 769 52 111ms 3 Feb 2023 43rd RustemB 🇷🇺 741 54 108ms 3 Jan 2021 44th jjatria 714 56 131ms 29 Jul 2022 45th molecules 702 57 97ms 27 Dec 2017 45th itiievskyi 🇺🇦 702 57 119ms 11 Aug 2020 45th Indivicivet 702 57 98ms 23 Mar 2021 48th alphafalfa 656 61 102ms 13 Dec 2024 49th massung 645 62 100ms 26 Mar 2019 50th titsuki 635 63 134ms 19 Nov 2017 51st FCO 625 64 105ms 20 Jan 2018 52nd jkramer 606 66 103ms 17 Jan 2018 53rd daotoad 580 69 100ms 6 Nov 2017 54th Hans-Giebenrath 556 72 150ms 1 May 2019 55th gustawdaniel 519 77 107ms 1 Apr 2018 56th Scimon 506 79 98ms 13 Dec 2017 57th ohmycloud 449 89 114ms 19 Dec 2017 57th ALANVF 449 89 103ms 17 Nov 2018 59th GreenNope 440 91 98ms 31 Mar 2019 60th snoozingnewt 🇨🇦 357 112 166ms 26 Sep 2025 61st lancew 🇳🇿 284 141 83ms 16 Nov 2017 61st SpareManiKatti 284 141 92ms 19 Apr 2022 61st KatieLG-Transpiler 🇬🇧 284 141 94ms 24 Jun 2022 61st HumanoidCPU 284 141 89ms 5 May 2024 61st KatieLG 🇬🇧 284 141 98ms 2 Jun 2024 61st Mabeloid 🇳🇴 284 141 91ms 17 Sep 2024 61st CaedenHarper 🇨🇦 284 141 97ms 13 Aug 2025 61st dokutan 284 141 94ms 12 Sep 2025 69th connernewman 278 144 89ms 27 Jun 2018 69th aw-west 278 144 83ms 8 Oct 2018 71st kittrz9 227 176 95ms 7 Dec 2017 71st mokymok 🇺🇸 227 176 92ms 8 Nov 2021 71st msbranicky 227 176 188ms 4 Jan 2024 74th jaredcrystal 🇺🇸 127 315 101ms 29 Oct 2019 75th yhm138 47 846 180ms 17 Feb 2025 1–75 of 75
