Kaprekar 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 673rd MeWhenI 🇻🇦 189 449 38ms 2 Nov 2024 673rd CaedenHarper 🇨🇦 189 449 40ms 16 Aug 2025 673rd gigaprofisi 🇺🇸 189 449 38ms 5 Nov 2025 679th Shanethegamer 🇺🇸 187 444 69ms 22 Nov 2024 680th HumanoidCPU 186 446 72ms 27 Jan 2025 681st CaedenHarper 🇨🇦 186 815 4ms 17 Aug 2025 682nd KatieLG 🇬🇧 185 447 61ms 1 Nov 2024 682nd MeWhenI 🇻🇦 185 447 69ms 2 Nov 2024 682nd CaedenHarper 🇨🇦 185 447 71ms 25 Jan 2025 685th KatieLG 🇬🇧 182 513 202ms 1 Nov 2024 686th HumanoidCPU 182 515 3ms 1 Nov 2024 687th HumanoidCPU 181 449 116ms 1 Nov 2024 687th KatieLG 🇬🇧 181 449 114ms 1 Nov 2024 687th Shanethegamer 🇺🇸 181 449 120ms 1 Nov 2024 687th MeWhenI 🇻🇦 181 449 119ms 2 Nov 2024 687th CaedenHarper 🇨🇦 181 449 114ms 16 Aug 2025 692nd HumanoidCPU 178 460 107ms 1 Nov 2024 692nd MeWhenI 🇻🇦 178 460 110ms 2 Nov 2024 692nd klixel 🇨🇦 178 460 110ms 15 Nov 2024 692nd Shanethegamer 🇺🇸 178 460 106ms 20 Feb 2025 692nd CaedenHarper 🇨🇦 178 460 107ms 16 Aug 2025 697th brimstonetrader 176 353 741ms 5 Nov 2024 698th Shanethegamer 🇺🇸 176 475 51ms 1 Nov 2024 698th CaedenHarper 🇨🇦 176 475 50ms 23 Jan 2025 698th HumanoidCPU 176 475 49ms 8 days ago 701st CLOStrophobic 🇮🇹 174 356 4,497ms 9 Feb 2025 702nd Jacob385 174 873 4ms 1 Nov 2024 703rd CommandLeo 🇮🇹 173 359 10ms 8 Oct 2025 704th Blendi-Goose 173 387 2ms 7 Oct 2025 705th MeWhenI 🇻🇦 173 455 51ms 2 Nov 2024 706th HumanoidCPU 172 470 330ms 8 Nov 2025 707th HumanoidCPU 171 441 40ms 1 Nov 2024 707th KatieLG 🇬🇧 171 441 43ms 1 Nov 2024 707th Shanethegamer 🇺🇸 171 441 41ms 1 Nov 2024 707th MeWhenI 🇻🇦 171 441 35ms 2 Nov 2024 707th CaedenHarper 🇨🇦 171 441 40ms 25 Jan 2025 712th ocefra 170 393 92ms 25 Dec 2024 713th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 714th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 714th CaedenHarper 🇨🇦 170 472 477ms 24 Jan 2025 714th dokutan 170 472 390ms 7 Nov 2025 717th KatieLG 🇬🇧 170 483 160ms 6 days ago 718th HumanoidCPU 169 473 435ms 1 Nov 2024 719th HumanoidCPU 167 455 3ms 1 Nov 2024 719th KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 719th Shanethegamer 🇺🇸 167 455 3ms 1 Nov 2024 719th MeWhenI 🇻🇦 167 455 3ms 2 Nov 2024 719th CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 724th KatieLG 🇬🇧 167 472 46ms 1 Nov 2024 725th Shanethegamer 🇺🇸 166 450 591ms 16 Apr 2025 725th KatieLG 🇬🇧 166 450 589ms 20 Apr 2025 725th HumanoidCPU 166 450 578ms 18 Aug 2025 725th MeWhenI 🇻🇦 166 450 619ms 15 Sep 2025 729th HumanoidCPU 166 458 335ms 1 Nov 2024 729th Shanethegamer 🇺🇸 166 458 394ms 1 Nov 2024 729th KatieLG 🇬🇧 166 458 317ms 1 Nov 2024 729th dokutan 166 458 393ms 1 Nov 2024 733rd KatieLG 🇬🇧 166 487 329ms 24 Sep 2025 734th HumanoidCPU 165 441 4ms 1 Nov 2024 734th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 734th Shanethegamer 🇺🇸 165 441 5ms 1 Nov 2024 734th MeWhenI 🇻🇦 165 441 4ms 2 Nov 2024 734th CaedenHarper 🇨🇦 165 441 4ms 31 Jan 2025 739th KatieLG 🇬🇧 165 445 2,579ms 1 Nov 2024 739th MeWhenI 🇻🇦 165 445 2,622ms 2 Nov 2024 739th CaedenHarper 🇨🇦 165 445 2,585ms 1 Feb 2025 742nd HumanoidCPU 162 452 2,620ms 1 Nov 2024 742nd Shanethegamer 🇺🇸 162 452 2,610ms 1 Nov 2024 742nd Chinay-Domitrix 🇺🇸 162 452 2,586ms 9 Apr 2025 745th HumanoidCPU 158 657 29ms 4 Nov 2025 746th CaedenHarper 🇨🇦 158 659 29ms 16 Aug 2025 747th adamnielson42 🇺🇸 157 395 4,320ms 3 Dec 2024 748th KatieLG 🇬🇧 157 661 27ms 1 Nov 2024 749th Kokusui 🇯🇵 154 434 4ms 19 Nov 2024 750th snoozingnewt 🇨🇦 154 476 2,979ms 27 Sep 2025 First Prev 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