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 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 Chars Time Submitted 676th JDiLenarda 🇫🇷 744 65 1,236ms 9 Oct 2020 677th DialFrost 🇸🇬 744 78 2ms 5 Nov 2023 678th dokutan 743 60 204ms 11 Apr 2024 679th dokutan 743 76 99ms 23 Jul 2025 680th laikoni 742 89 127ms 25 Dec 2018 681st Lydxn 🇨🇦 740 52 3ms 18 Jul 2022 681st xsot 🇸🇬 740 52 5ms 24 Jun 2025 683rd xorraxrax 740 73 9ms 26 Oct 2019 683rd btjones0 740 73 11ms 15 Jul 2022 683rd Bmrl7 740 73 11ms 26 Feb 2024 686th rambox11 740 76 9ms 27 Apr 2018 686th Davr1 🇨🇿 740 76 8ms 15 Oct 2023 686th ovs-code 🇩🇪 740 76 11ms 17 Nov 2024 689th GrayJoKing 🇦🇺 739 54 31ms 24 Nov 2021 689th emgordon154 739 54 33ms 26 Jul 2024 691st ian-h-chamberlain 🇺🇸 739 107 39ms 20 Oct 2025 692nd RustemB 🇷🇺 738 50 148ms 3 Jan 2021 692nd ovs-code 🇩🇪 738 50 213ms 8 May 2024 694th ovs-code 🇩🇪 737 68 416ms 16 Jan 2024 695th gnuvince 735 34 2ms 28 Jun 2025 696th AlephSquirrel 734 40 43ms 31 Jul 2022 697th GrayJoKing 🇦🇺 732 78 3ms 26 Jul 2023 698th itsh01 731 77 9ms 23 Aug 2021 699th davitf 730 74 10ms 19 Nov 2018 699th ydevor 🇮🇱 730 74 9ms 26 Nov 2020 699th itsjustfreekie 730 74 12ms 19 Sep 2021 699th ZakkkkAttackkkk 🇵🇭 730 74 10ms 26 Dec 2021 699th domingues 🇵🇹 730 74 9ms 10 Aug 2022 699th jakobkordez 🇸🇮 730 74 56ms 31 Oct 2022 699th scpchicken 🇵🇼 730 74 10ms 17 Jan 2023 699th aksyristos 730 74 10ms 26 Jan 2023 707th dokutan 729 93 553ms 24 Sep 2025 708th msbranicky 729 214 10ms 29 Aug 2023 709th GrayJoKing 🇦🇺 727 73 3ms 16 Aug 2023 709th edsrzf 🇳🇿 727 73 5ms 9 days ago 711th Yewzir 🇧🇪 727 77 314ms 8 May 2023 711th janbehrens 🇩🇪 727 77 316ms 20 Jun 2023 713th annaproxy 726 91 137ms 5 Feb 2022 714th sisyphus-ppcg 🇦🇺 725 55 32ms 15 Jun 2021 714th Yewzir 🇧🇪 725 55 32ms 7 Feb 2024 716th inventshah 724 62 2,670ms 24 Oct 2024 716th DialFrost 🇸🇬 724 62 2,719ms 25 Dec 2024 718th jared-hughes 724 89 2ms 5 Jul 2024 719th emgordon154 723 59 821ms 26 Jul 2024 720th marcin7Cd 723 97 5ms 6 Feb 2021 721st MeWhenI 🇻🇦 723 109 2ms 10 Oct 2023 722nd firegene 🇮🇪 721 75 12ms 5 Jan 2023 722nd FlorianCassayre 🇫🇷 721 75 12ms 18 Sep 2023 724th marcin7Cd 721 78 9ms 5 Oct 2020 724th PatrickStephansen 🇿🇦 721 78 10ms 16 Oct 2020 724th Shanethegamer 🇺🇸 721 78 9ms 19 Apr 2022 727th jmerle 🇳🇱 721 134 9ms 4 Jul 2023 728th rucin93 🇵🇱 717 110 13ms 21 days ago 729th SirBogman 🇺🇸 716 41 44ms 29 Oct 2022 730th commandblockguy 🇺🇸 716 70 324ms 15 Jan 2024 731st Steffan153 🇫🇮 716 135 9ms 12 Mar 2023 731st annaproxy 716 135 9ms 12 Mar 2023 731st Shanethegamer 🇺🇸 716 135 9ms 12 Mar 2023 731st lynn 716 135 7ms 13 Mar 2023 731st JayXon 🇺🇸 716 135 9ms 13 Mar 2023 731st ovs-code 🇩🇪 716 135 7ms 13 Mar 2023 731st Lydxn 🇨🇦 716 135 7ms 13 Mar 2023 731st dokutan 716 135 7ms 1 Apr 2023 731st MeWhenI 🇻🇦 716 135 8ms 23 Nov 2023 731st Yewzir 🇧🇪 716 135 9ms 6 Mar 2024 731st KatieLG 🇬🇧 716 135 7ms 31 Jul 2024 731st snoozingnewt 🇨🇦 716 135 7ms 5 Oct 2025 743rd nickspoons 🇳🇿 714 40 35ms 1 Aug 2022 744th SirBogman 🇺🇸 713 49 209ms 8 Jan 2024 745th marshallward 🇺🇸 713 114 52ms 2 Oct 2020 746th lynn 712 68 1,204ms 27 May 2021 747th prplz 🇦🇺 712 78 124ms 10 Jul 2021 747th MeWhenI 🇻🇦 712 78 121ms 4 Jan 2022 747th GrayJoKing 🇦🇺 712 78 119ms 9 Apr 2022 750th BBoehm 🇩🇪 712 79 9ms 20 Jan 2021 First Prev 676–750 of 3,110 Next Last