Emirp Numbers in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 901st primo-ppcg 🇹🇭 648 77 14ms 11 Feb 2022 902nd treeowl 648 102 141ms 27 Feb 2019 902nd RussellEmerine 648 102 158ms 30 Nov 2019 904th janbehrens 🇩🇪 647 88 6ms 15 Jun 2021 905th TFeld00 🇩🇰 643 62 32ms 26 Jun 2019 906th HumanoidCPU 643 84 87ms 27 May 2024 906th JunkIce 643 84 25ms 24 Nov 2024 908th annaproxy 643 87 350ms 4 Jan 2023 909th Babafaba 642 78 422ms 9 Sep 2025 910th Yewzir 🇧🇪 642 86 111ms 15 May 2023 911th Johannesd3 642 103 182ms 8 Sep 2019 911th strout 642 103 183ms 15 Aug 2022 913th emgordon154 640 83 4ms 23 Dec 2024 914th DialFrost 🇸🇬 640 106 410ms 24 Sep 2025 915th Maznek 639 88 10ms 22 Jun 2023 916th gastropner 638 103 2ms 5 Jan 2021 917th jared-hughes 638 111 64ms 20 Jul 2022 918th ssilwa 636 85 56ms 20 Jan 2018 918th 5cw 🇺🇸 636 85 13ms 20 Apr 2024 918th KasperKivimaeki 🇫🇮 636 85 9ms 12 Jul 2025 921st primo-ppcg 🇹🇭 636 375 1ms 19 Apr 2019 922nd achimkrause 635 104 262ms 11 Jul 2018 923rd jhonw 634 45 43ms 21 Sep 2023 924th snoozingnewt 🇺🇸 634 79 574ms 28 Sep 2025 925th n1LS 633 63 34ms 22 Oct 2019 925th orthoplex 🇨🇽 633 63 35ms 31 Mar 2022 925th jared-hughes 633 63 34ms 12 Sep 2022 925th ovs-code 🇩🇪 633 63 34ms 22 Feb 2025 925th KatieLG 🇬🇧 633 63 38ms 2 Oct 2025 930th albanian-laundromat 633 65 1,334ms 26 Sep 2025 931st error256 633 71 10ms 3 Aug 2025 932nd joseprio 632 89 16ms 10 Aug 2019 933rd orthoplex 🇨🇽 631 90 2ms 4 Jul 2024 934th rak1507 🇬🇧 629 105 173ms 18 Jan 2021 935th Sakaala 628 86 11ms 20 Apr 2019 935th jsthope 628 86 23ms 9 Mar 2023 935th enbyte 628 86 14ms 9 Dec 2023 935th BrunoVisnadi 🇧🇷 628 86 15ms 30 Sep 2025 939th KrausRaus 🇺🇸 626 91 2,108ms 16 Mar 2021 940th AaronGarbut 626 105 2ms 30 Jul 2019 940th alexjlaberge 626 105 2ms 21 Jul 2020 942nd prplz 🇦🇺 626 381 2ms 16 Apr 2019 943rd ashtraypettingzoo 🇺🇸 625 40 2ms 5 Apr 2023 944th WilliamChiu 625 90 24ms 29 May 2020 945th proton 🇩🇪 623 64 34ms 10 Jun 2020 946th DialFrost 🇸🇬 623 66 984ms 31 Aug 2025 946th emgordon154 623 66 882ms 12 Sep 2025 948th dokutan 623 104 3ms 26 Feb 2025 949th aDwarfNamedUrist 623 106 181ms 18 Sep 2024 950th dokutan 623 116 40ms 14 Jun 2024 951st primo-ppcg 🇹🇭 622 109 314ms 24 Apr 2020 951st prplz 🇦🇺 622 109 337ms 6 Jul 2020 951st ScottHamper 622 109 397ms 28 May 2021 951st Lydxn 🇨🇦 622 109 340ms 12 Jul 2021 951st MeWhenI 🇻🇦 622 109 317ms 2 Jan 2022 951st Steffan153 🇫🇮 622 109 363ms 9 Aug 2024 957th primo-ppcg 🇹🇭 622 153 2,041ms 15 Sep 2025 958th SanderRuud 621 87 10ms 13 Jul 2025 958th mossiegoat 621 87 11ms 25 Jul 2025 960th dokutan 619 85 191ms 15 Jun 2025 961st citsur 618 107 162ms 31 May 2019 961st Awsute 618 107 174ms 16 Mar 2022 961st Sakisan 🇧🇪 618 107 165ms 29 Oct 2022 964th Shanethegamer 🇺🇸 617 147 31ms 13 Apr 2025 965th kaascevich 616 69 96ms 21 Jul 2025 966th dokutan 616 131 1ms 1 Apr 2024 967th nwellnhof 🇩🇪 613 57 206ms 27 Dec 2021 967th DialFrost 🇸🇬 613 57 188ms 26 Dec 2024 969th tatzyr 🇯🇵 613 65 40ms 5 Dec 2024 970th typeswitch-dev 🇵🇹 613 93 3ms 27 Aug 2023 971st ramytarchichy 612 108 166ms 26 Oct 2019 971st HuggieBo 612 108 166ms 28 Oct 2023 973rd KrausRaus 🇺🇸 611 63 3ms 9 Apr 2021 974th dokutan 610 156 1,765ms 14 days ago 975th lynn 609 70 958ms 25 May 2022 First Prev 901–975 of 3,055 Next Last