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 526th HPWiz 🇳🇿 795 68 11ms 30 Aug 2022 526th 4atj 795 68 16ms 30 Jun 2025 528th jared-hughes 793 36 48ms 23 Sep 2021 528th 4hg 🇺🇸 793 36 34ms 11 Mar 2025 530th jared-hughes 792 71 9ms 3 Aug 2022 531st pardouin 🇫🇷 792 118 262ms 22 Oct 2024 532nd acotis 791 90 124ms 23 Apr 2025 532nd kumavale 791 90 125ms 9 Sep 2025 534th MeWhenI 🇻🇦 790 54 922ms 12 May 2023 535th MeWhenI 🇻🇦 789 48 4ms 12 Aug 2024 535th DialFrost 🇸🇬 789 48 4ms 16 Aug 2024 535th emgordon154 789 48 4ms 16 Aug 2024 535th Shanethegamer 🇺🇸 789 48 4ms 25 May 2025 539th Yewzir 🇧🇪 788 89 6ms 6 Feb 2024 540th m-tkach 🇺🇦 788 115 29ms 18 Jan 2024 541st Bubbler-4 787 84 147ms 17 Jan 2019 541st xnor-gate 787 84 132ms 3 Jan 2022 543rd MeWhenI 🇻🇦 787 113 32ms 4 Jan 2022 544th GalladeGuy 🇺🇸 786 82 2ms 21 May 2020 545th IAGOAG 785 47 121ms 25 Jun 2018 545th somebody1234 785 47 137ms 9 Dec 2018 545th elisherer 🇮🇱 785 47 121ms 13 Apr 2019 545th o0lit3 🇺🇸 785 47 149ms 10 Jul 2020 545th rucin93 🇵🇱 785 47 120ms 7 Sep 2020 545th prplz 🇦🇺 785 47 116ms 19 Dec 2020 545th BBoehm 🇩🇪 785 47 93ms 30 Dec 2020 545th olivermrose 🇺🇸 785 47 127ms 20 Sep 2021 545th krcs 🇵🇱 785 47 144ms 21 Apr 2022 545th MeWhenI 🇻🇦 785 47 145ms 4 Aug 2022 545th trist224 🇫🇷 785 47 133ms 28 Nov 2022 545th neel11235813 785 47 132ms 3 Feb 2023 557th MeWhenI 🇻🇦 785 74 2ms 9 Sep 2022 557th inventshah 785 74 2ms 9 Sep 2022 557th GrayJoKing 🇦🇺 785 74 2ms 10 Sep 2022 557th Yewzir 🇧🇪 785 74 3ms 22 Dec 2023 557th sean-niemann 🇺🇸 785 74 8ms 8 Oct 2024 557th albanian-laundromat 785 74 5ms 24 Jun 2025 563rd DialFrost 🇸🇬 785 119 307ms 26 Dec 2024 564th Bonjour27891 🇻🇳 783 69 11ms 14 Jul 2022 565th Yewzir 🇧🇪 783 72 137ms 28 Mar 2024 566th sisyphus-ppcg 🇦🇺 783 84 1ms 23 Mar 2022 566th namelessiw 783 84 2ms 19 Jul 2024 568th msbranicky 782 64 436ms 17 Jan 2024 568th KatieLG 🇬🇧 782 64 410ms 28 Oct 2024 570th duckyluuk 🇳🇱 782 72 5ms 16 Dec 2024 571st verticallity 782 91 122ms 6 Apr 2022 571st prplz 🇦🇺 782 91 122ms 30 Apr 2022 571st emgordon154 782 91 123ms 24 Feb 2025 574th SirBogman 🇺🇸 781 32 2ms 8 Feb 2023 574th DialFrost 🇸🇬 781 32 2ms 3 Feb 2024 574th bstrat 781 32 2ms 11 Jun 2024 577th kozgera 781 72 9ms 26 Mar 2021 578th ovs-code 🇩🇪 780 83 5ms 7 Feb 2023 579th inventshah 779 91 52ms 27 Jan 2023 580th GoateSo 777 83 2ms 14 Aug 2023 581st DialFrost 🇸🇬 777 85 151ms 6 Aug 2024 582nd MeWhenI 🇻🇦 777 93 39ms 28 Jun 2022 583rd Yewzir 🇧🇪 775 58 8ms 14 Dec 2023 583rd dokutan 775 58 8ms 8 May 2024 583rd Shanethegamer 🇺🇸 775 58 7ms 18 Aug 2024 583rd emgordon154 775 58 7ms 5 Dec 2024 583rd edsrzf 🇳🇿 775 58 10ms 4 Mar 2025 583rd kg583 🇺🇸 775 58 7ms 30 Jul 2025 589th dokutan 774 75 3ms 27 Mar 2024 590th dokutan 774 92 130ms 14 Apr 2024 591st lynn 773 85 1ms 2 Oct 2021 591st jared-hughes 773 85 2ms 30 Mar 2022 591st ovs-code 🇩🇪 773 85 2ms 21 Aug 2023 594th nstearns96 🇬🇧 772 70 24ms 6 Jan 2023 595th jacobly0 🇺🇸 770 124 1,694ms 22 Apr 2024 596th sisyphus-ppcg 🇦🇺 769 50 5ms 14 Jul 2022 597th MarcMush 🇫🇷 769 58 287ms 5 Jul 2021 598th DialFrost 🇸🇬 769 74 6ms 17 Aug 2025 599th xohmz 768 48 125ms 4 Nov 2018 599th JRaspass 🇬🇧 768 48 102ms 29 Oct 2022 First Prev 526–600 of 3,062 Next Last