Kaprekar Numbers in all languages in bytes. 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 226th SirBogman 🇺🇸 768 89 22 Jul 2025 227th MeWhenI 🇻🇦 764 88 29 Apr 2025 228th helbling 🇨🇭 762 71 1 Nov 2024 229th m-tkach 🇺🇦 762 85 6 Feb 2025 229th SirBogman 🇺🇸 762 85 22 Jul 2025 231st error256 757 73 1 Nov 2024 232nd Herbert00709 🇵🇱 756 89 12 Nov 2024 233rd error256 755 108 15 days ago 234th emgordon154 751 176 29 May 2025 235th lynn 747 90 9 Jan 2025 236th tailorspy 746 112 6 Nov 2024 237th elgan65536 744 110 2 Nov 2024 238th rucin93 🇵🇱 744 216 17 Nov 2024 239th alexsave 741 73 4 Dec 2024 240th emgordon154 737 111 18 Feb 2025 241st rucin93 🇵🇱 731 112 3 Nov 2024 242nd lukechampine 727 138 7 Jun 2025 243rd GolfingSuccess 🇬🇷 723 372 20 Dec 2024 244th Shanethegamer 🇺🇸 722 139 1 Nov 2024 244th Ripick 722 139 4 Nov 2024 246th roupiq 🇵🇱 720 116 12 Nov 2024 247th edsrzf 🇳🇿 718 130 11 days ago 248th CaedenHarper 🇨🇦 715 114 2 days ago 249th SirBogman 🇺🇸 709 78 19 Jul 2025 250th emgordon154 708 95 5 Nov 2024 251st error256 708 147 1 Nov 2024 252nd andrewjc2000 704 97 21 May 2025 253rd emgordon154 703 77 27 Nov 2024 254th madex 🇩🇪 701 96 3 Nov 2024 255th anter69 🇭🇺 700 79 14 Jul 2025 256th kg583 🇺🇸 700 121 13 Feb 2025 257th SirBogman 🇺🇸 698 53 24 Jun 2025 258th emgordon154 698 75 2 Apr 2025 259th AlephSquirrel 697 98 1 Nov 2024 260th SirBogman 🇺🇸 696 194 22 Jul 2025 261st edsrzf 🇳🇿 695 122 15 hours ago 262nd GeorgeStechman 🇬🇧 694 78 3 Nov 2024 262nd BambooleanLogic 🇸🇪 694 78 19 Nov 2024 264th fourth-bit 693 97 10 Nov 2024 265th MeWhenI 🇻🇦 691 80 2 Nov 2024 266th FlyingPenguin223 690 97 6 Nov 2024 267th alemelis 689 76 1 Nov 2024 268th elgan65536 686 98 3 Nov 2024 269th Yax42 🇫🇷 685 111 7 Dec 2024 270th HumanoidCPU 684 507 1 Nov 2024 270th Shanethegamer 🇺🇸 684 507 1 Nov 2024 270th KatieLG 🇬🇧 684 507 1 Nov 2024 270th CaedenHarper 🇨🇦 684 507 16 Aug 2025 274th jatloe 683 100 4 Nov 2024 274th stefangimmillaro 683 100 7 Nov 2024 276th JDiLenarda 🇫🇷 682 132 30 Jun 2025 277th Shanethegamer 🇺🇸 681 102 1 Nov 2024 278th CLOStrophobic 🇮🇹 677 184 22 Feb 2025 279th stefangimmillaro 676 80 1 Nov 2024 279th Lv0Sys 🇵🇱 676 80 15 Jun 2025 281st anter69 🇭🇺 676 101 14 Jul 2025 282nd madex 🇩🇪 676 121 1 Nov 2024 283rd AlephSquirrel 675 96 1 Nov 2024 284th brimanwebb 673 113 8 Nov 2024 285th Ripick 673 119 4 Nov 2024 286th albanian-laundromat 673 128 10 days ago 287th error256 672 109 5 Jul 2025 288th kg583 🇺🇸 670 102 5 Nov 2024 288th ndren 670 102 5 Jul 2025 290th junkondo-jp 668 81 15 Dec 2024 291st emgordon154 666 83 19 Nov 2024 292nd CaedenHarper 🇨🇦 663 103 10 Aug 2025 293rd Liibe 663 123 14 days ago 294th lynn 661 154 21 Mar 2025 295th roupiq 🇵🇱 659 102 12 Nov 2024 296th fourth-bit 657 104 5 Nov 2024 297th Shanethegamer 🇺🇸 655 80 1 Nov 2024 298th lifthrasiir 🇰🇷 655 125 8 Nov 2024 299th kg583 🇺🇸 654 99 5 Nov 2024 300th DialFrost 🇸🇬 653 206 10 Jan 2025 First Prev 226–300 of 933 Next Last