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 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 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 601st SirBogman 🇺🇸 767 52 38ms 3 Dec 2019 601st prplz 🇦🇺 767 52 34ms 3 Dec 2019 601st MeWhenI 🇻🇦 767 52 34ms 26 Oct 2021 604th MeWhenI 🇻🇦 767 72 112ms 17 Nov 2022 604th dokutan 767 72 119ms 11 Apr 2024 606th GrayJoKing 🇦🇺 764 86 2ms 12 Mar 2022 607th ovs-code 🇩🇪 762 69 133ms 17 Nov 2024 608th Yewzir 🇧🇪 762 93 57ms 3 Aug 2023 609th NewDefectus 🇮🇱 761 71 11ms 16 Dec 2021 609th rschwa6308 🇺🇸 761 71 10ms 12 May 2023 609th zbreit 🇺🇸 761 71 12ms 20 May 2023 612th emgordon154 760 123 251ms 17 Jan 2025 613th ngn 🇧🇬 758 33 38ms 6 Feb 2022 614th detrumi 🇳🇱 757 94 123ms 26 Apr 2023 615th antimon2 🇯🇵 756 59 995ms 12 Sep 2022 616th Steffan153 🇫🇮 756 64 1,004ms 4 Jan 2023 616th Shanethegamer 🇺🇸 756 64 1,406ms 29 Mar 2023 618th o0lit3 🇺🇸 754 51 5ms 12 Apr 2021 619th dokutan 754 94 50ms 14 Apr 2024 620th sean-niemann 🇺🇸 754 107 24ms 17 Dec 2023 621st bbkr 753 49 93ms 14 Nov 2018 621st itiievskyi 🇺🇦 753 49 129ms 11 Aug 2020 623rd anter69 🇭🇺 752 53 41ms 8 Feb 2023 623rd fuzzylojik-golf 🇺🇸 752 53 40ms 6 Jul 2025 625th ffelixm 752 75 110ms 12 Jun 2025 626th Lifesorder 751 72 12ms 12 Oct 2018 626th nwellnhof 🇩🇪 751 72 11ms 4 Feb 2021 626th annaproxy 751 72 10ms 28 Dec 2021 626th yzhs 🇩🇪 751 72 15ms 20 Jul 2022 626th fourth-bit 751 72 15ms 2 Jul 2023 626th bizy-coder 751 72 11ms 14 Aug 2024 632nd scpchicken 🇵🇼 751 88 155ms 21 Feb 2023 633rd ETHproductions 🇺🇸 750 75 32ms 21 Dec 2018 633rd elisherer 🇮🇱 750 75 9ms 8 Apr 2019 633rd emgordon154 750 75 8ms 13 Dec 2021 633rd nwellnhof 🇩🇪 750 75 9ms 26 Jun 2023 637th emplv 🇱🇻 749 76 4ms 11 May 2021 637th sisyphus-ppcg 🇦🇺 749 76 4ms 14 Jul 2022 639th GrayJoKing 🇦🇺 748 86 415ms 5 Mar 2022 639th fuzzylojik-golf 🇺🇸 748 86 433ms 30 Aug 2025 641st Irratix 🇳🇱 747 45 3ms 1 Nov 2020 641st GrayJoKing 🇦🇺 747 45 3ms 1 Nov 2020 641st primo-ppcg 🇹🇭 747 45 2ms 2 Nov 2020 641st KatieLG 🇬🇧 747 45 2ms 6 Dec 2020 641st sisyphus-ppcg 🇦🇺 747 45 2ms 11 Mar 2022 641st msbranicky 747 45 3ms 27 Jul 2023 641st adamnielson42 🇺🇸 747 45 2ms 8 Nov 2023 641st dokutan 747 45 2ms 11 Nov 2023 649th HPWiz 🇳🇿 747 67 417ms 16 Jan 2024 650th wiz0u 746 75 356ms 26 Jun 2023 650th pardouin 🇫🇷 746 75 351ms 8 Oct 2024 650th fuzzylojik-golf 🇺🇸 746 75 373ms 31 Aug 2025 653rd Yewzir 🇧🇪 746 91 353ms 2 Oct 2025 654th JDiLenarda 🇫🇷 744 65 1,179ms 9 Oct 2020 655th DialFrost 🇸🇬 744 78 2ms 5 Nov 2023 656th dokutan 743 60 251ms 11 Apr 2024 657th dokutan 742 76 129ms 23 Jul 2025 658th laikoni 742 89 130ms 25 Dec 2018 659th Lydxn 🇨🇦 740 52 3ms 18 Jul 2022 659th xsot 🇸🇬 740 52 6ms 24 Jun 2025 661st xorraxrax 740 73 11ms 26 Oct 2019 661st btjones0 740 73 12ms 15 Jul 2022 661st Bmrl7 740 73 14ms 26 Feb 2024 664th rambox11 740 76 10ms 27 Apr 2018 664th Davr1 🇨🇿 740 76 11ms 15 Oct 2023 664th ovs-code 🇩🇪 740 76 11ms 17 Nov 2024 667th MeWhenI 🇻🇦 740 109 2ms 10 Oct 2023 668th ian-h-chamberlain 🇺🇸 739 107 41ms 18 days ago 669th RustemB 🇷🇺 738 50 88ms 3 Jan 2021 669th ovs-code 🇩🇪 738 50 192ms 8 May 2024 671st GrayJoKing 🇦🇺 738 54 37ms 24 Nov 2021 671st emgordon154 738 54 37ms 26 Jul 2024 673rd ovs-code 🇩🇪 736 68 458ms 16 Jan 2024 674th gnuvince 735 34 2ms 28 Jun 2025 675th AlephSquirrel 734 40 45ms 31 Jul 2022 First Prev 601–675 of 3,061 Next Last