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 Binary Lambda Calculus Calendar Connect Four Crossword 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 Binary Lambda Calculus Calendar Connect Four Crossword 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 900th fkantelberg 651 83 14ms 14 Jul 2023 900th lelbal 651 83 11ms 23 Dec 2024 903rd primo-ppcg 🇹🇭 651 86 335ms 21 Nov 2021 904th Babafaba 650 77 366ms 9 days ago 905th orthoplex 🇨🇽 649 44 48ms 5 Oct 2020 905th MeWhenI 🇻🇦 649 44 41ms 7 Aug 2023 907th primo-ppcg 🇹🇭 648 77 14ms 11 Feb 2022 908th treeowl 648 102 141ms 27 Feb 2019 908th RussellEmerine 648 102 158ms 30 Nov 2019 910th janbehrens 🇩🇪 647 88 6ms 15 Jun 2021 911th TFeld00 🇩🇰 643 62 32ms 26 Jun 2019 912th HumanoidCPU 643 84 77ms 27 May 2024 912th JunkIce 643 84 21ms 24 Nov 2024 914th annaproxy 643 87 350ms 4 Jan 2023 915th Yewzir 🇧🇪 642 86 111ms 15 May 2023 916th Johannesd3 642 103 182ms 8 Sep 2019 916th strout 642 103 183ms 15 Aug 2022 918th emgordon154 640 83 4ms 23 Dec 2024 919th DialFrost 🇸🇬 640 106 320ms 24 Sep 2025 920th Maznek 639 88 13ms 22 Jun 2023 921st gastropner 638 103 2ms 5 Jan 2021 922nd jared-hughes 638 111 52ms 20 Jul 2022 923rd primo-ppcg 🇹🇭 637 375 1ms 19 Apr 2019 924th ssilwa 636 85 43ms 20 Jan 2018 924th 5cw 🇺🇸 636 85 12ms 20 Apr 2024 924th KasperKivimaeki 🇫🇮 636 85 10ms 12 Jul 2025 927th achimkrause 635 104 262ms 11 Jul 2018 928th jhonw 634 45 43ms 21 Sep 2023 929th albanian-laundromat 634 65 609ms 26 Sep 2025 929th DialFrost 🇸🇬 634 65 682ms 4 days ago 931st snoozingnewt 🇺🇸 634 79 574ms 28 Sep 2025 932nd n1LS 633 63 34ms 22 Oct 2019 932nd orthoplex 🇨🇽 633 63 35ms 31 Mar 2022 932nd jared-hughes 633 63 34ms 12 Sep 2022 932nd ovs-code 🇩🇪 633 63 34ms 22 Feb 2025 932nd KatieLG 🇬🇧 633 63 38ms 2 Oct 2025 937th error256 633 71 10ms 3 Aug 2025 938th joseprio 632 89 17ms 10 Aug 2019 939th orthoplex 🇨🇽 631 90 2ms 4 Jul 2024 940th rak1507 🇬🇧 629 105 173ms 18 Jan 2021 941st Sakaala 628 86 10ms 20 Apr 2019 941st jsthope 628 86 19ms 9 Mar 2023 941st enbyte 628 86 13ms 9 Dec 2023 941st BrunoVisnadi 🇧🇷 628 86 10ms 30 Sep 2025 945th prplz 🇦🇺 627 381 2ms 16 Apr 2019 946th KrausRaus 🇺🇸 626 91 2,108ms 16 Mar 2021 947th AaronGarbut 626 105 2ms 30 Jul 2019 947th alexjlaberge 626 105 2ms 21 Jul 2020 949th ashtraypettingzoo 🇺🇸 625 40 2ms 5 Apr 2023 950th emgordon154 625 66 597ms 12 Sep 2025 951st WilliamChiu 625 90 21ms 29 May 2020 952nd primo-ppcg 🇹🇭 625 153 1,577ms 15 Sep 2025 953rd proton 🇩🇪 623 64 34ms 10 Jun 2020 954th dokutan 623 104 2ms 26 Feb 2025 955th aDwarfNamedUrist 623 106 181ms 18 Sep 2024 956th dokutan 623 116 40ms 14 Jun 2024 957th primo-ppcg 🇹🇭 622 109 312ms 24 Apr 2020 957th prplz 🇦🇺 622 109 309ms 6 Jul 2020 957th ScottHamper 622 109 303ms 28 May 2021 957th Lydxn 🇨🇦 622 109 299ms 12 Jul 2021 957th Steffan153 🇫🇮 622 109 310ms 9 Aug 2024 962nd SanderRuud 621 87 10ms 13 Jul 2025 962nd mossiegoat 621 87 35ms 25 Jul 2025 962nd luuumine 🇫🇷 621 87 10ms 9 days ago 965th dokutan 619 85 190ms 15 Jun 2025 966th citsur 618 107 162ms 31 May 2019 966th Awsute 618 107 174ms 16 Mar 2022 966th Sakisan 🇧🇪 618 107 165ms 29 Oct 2022 969th Shanethegamer 🇺🇸 617 147 31ms 13 Apr 2025 970th kaascevich 616 69 85ms 21 Jul 2025 971st xsot 🇸🇬 615 67 708ms 2 days ago 972nd dokutan 615 131 1ms 1 Apr 2024 973rd nwellnhof 🇩🇪 613 57 206ms 27 Dec 2021 973rd DialFrost 🇸🇬 613 57 188ms 26 Dec 2024 975th tatzyr 🇯🇵 613 65 40ms 5 Dec 2024 First Prev 901–975 of 3,071 Next Last