Emirp Numbers 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 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 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 598th emgordon154 775 58 5ms 5 Dec 2024 598th edsrzf 🇳🇿 775 58 5ms 4 Mar 2025 598th kg583 🇺🇸 775 58 5ms 30 Jul 2025 598th snoozingnewt 🇨🇦 775 58 6ms 6 days ago 605th dokutan 774 75 3ms 27 Mar 2024 606th lynn 774 85 1ms 2 Oct 2021 606th jared-hughes 774 85 2ms 30 Mar 2022 606th ovs-code 🇩🇪 774 85 2ms 21 Aug 2023 609th dokutan 774 92 122ms 14 Apr 2024 610th nstearns96 🇬🇧 772 70 15ms 6 Jan 2023 610th sunleonid 772 70 11ms 12 days ago 612th jacobly0 🇺🇸 772 124 1,682ms 22 Apr 2024 613th sisyphus-ppcg 🇦🇺 769 50 5ms 14 Jul 2022 614th MarcMush 🇫🇷 769 58 246ms 5 Jul 2021 615th DialFrost 🇸🇬 769 74 6ms 17 Aug 2025 616th xohmz 768 48 90ms 4 Nov 2018 616th JRaspass 🇬🇧 768 48 86ms 29 Oct 2022 618th bforte 768 86 131ms 26 Dec 2018 619th SirBogman 🇺🇸 767 52 38ms 3 Dec 2019 619th prplz 🇦🇺 767 52 34ms 3 Dec 2019 619th MeWhenI 🇻🇦 767 52 34ms 26 Oct 2021 622nd MeWhenI 🇻🇦 767 72 112ms 17 Nov 2022 622nd dokutan 767 72 119ms 11 Apr 2024 624th GrayJoKing 🇦🇺 765 86 2ms 12 Mar 2022 625th ovs-code 🇩🇪 762 69 133ms 17 Nov 2024 626th Yewzir 🇧🇪 762 93 52ms 3 Aug 2023 627th NewDefectus 🇮🇱 761 71 11ms 16 Dec 2021 627th rschwa6308 🇺🇸 761 71 14ms 12 May 2023 627th zbreit 🇺🇸 761 71 11ms 20 May 2023 627th blaztoma 🇱🇹 761 71 10ms 26 days ago 631st emgordon154 760 123 254ms 17 Jan 2025 632nd ngn 🇧🇬 758 33 38ms 6 Feb 2022 633rd detrumi 🇳🇱 757 94 124ms 26 Apr 2023 634th antimon2 🇯🇵 756 59 851ms 12 Sep 2022 635th Steffan153 🇫🇮 756 64 1,221ms 4 Jan 2023 635th Shanethegamer 🇺🇸 756 64 1,276ms 29 Mar 2023 637th o0lit3 🇺🇸 754 51 5ms 12 Apr 2021 638th dokutan 754 94 53ms 14 Apr 2024 639th bbkr 753 49 87ms 14 Nov 2018 639th itiievskyi 🇺🇦 753 49 105ms 11 Aug 2020 641st anter69 🇭🇺 753 53 41ms 8 Feb 2023 641st fuzzylojik-golf 🇺🇸 753 53 40ms 6 Jul 2025 643rd ffelixm 753 75 101ms 12 Jun 2025 644th Lifesorder 751 72 10ms 12 Oct 2018 644th nwellnhof 🇩🇪 751 72 9ms 4 Feb 2021 644th annaproxy 751 72 9ms 28 Dec 2021 644th yzhs 🇩🇪 751 72 10ms 20 Jul 2022 644th fourth-bit 751 72 11ms 2 Jul 2023 644th bizy-coder 751 72 10ms 14 Aug 2024 650th scpchicken 🇵🇼 751 88 155ms 21 Feb 2023 651st sean-niemann 🇺🇸 751 105 21ms 18 days ago 652nd ETHproductions 🇺🇸 750 75 29ms 21 Dec 2018 652nd elisherer 🇮🇱 750 75 8ms 8 Apr 2019 652nd emgordon154 750 75 9ms 13 Dec 2021 652nd nwellnhof 🇩🇪 750 75 9ms 26 Jun 2023 656th emplv 🇱🇻 749 76 4ms 11 May 2021 656th sisyphus-ppcg 🇦🇺 749 76 4ms 14 Jul 2022 658th HPWiz 🇳🇿 748 67 439ms 16 Jan 2024 659th GrayJoKing 🇦🇺 748 86 415ms 5 Mar 2022 659th fuzzylojik-golf 🇺🇸 748 86 433ms 30 Aug 2025 661st Irratix 🇳🇱 747 45 3ms 1 Nov 2020 661st GrayJoKing 🇦🇺 747 45 3ms 1 Nov 2020 661st primo-ppcg 🇹🇭 747 45 2ms 2 Nov 2020 661st KatieLG 🇬🇧 747 45 2ms 6 Dec 2020 661st sisyphus-ppcg 🇦🇺 747 45 2ms 11 Mar 2022 661st msbranicky 747 45 3ms 27 Jul 2023 661st adamnielson42 🇺🇸 747 45 2ms 8 Nov 2023 661st dokutan 747 45 2ms 11 Nov 2023 669th wiz0u 746 75 359ms 26 Jun 2023 669th pardouin 🇫🇷 746 75 338ms 8 Oct 2024 669th fuzzylojik-golf 🇺🇸 746 75 340ms 31 Aug 2025 672nd Yewzir 🇧🇪 746 91 331ms 2 Oct 2025 673rd JDiLenarda 🇫🇷 744 65 1,242ms 9 Oct 2020 674th DialFrost 🇸🇬 744 78 2ms 5 Nov 2023 675th dokutan 743 60 204ms 11 Apr 2024 First Prev 601–675 of 3,107 Next Last