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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 Calendar 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 716th gigaprofisi 🇺🇸 189 449 41ms 5 Nov 2025 722nd CaedenHarper 🇨🇦 188 815 5ms 17 Aug 2025 723rd Shanethegamer 🇺🇸 187 444 65ms 22 Nov 2024 724th HumanoidCPU 186 446 68ms 27 Jan 2025 725th KatieLG 🇬🇧 186 447 68ms 1 Nov 2024 725th MeWhenI 🇻🇦 186 447 62ms 2 Nov 2024 725th CaedenHarper 🇨🇦 186 447 65ms 25 Jan 2025 725th KatieLG-Transpiler 🇬🇧 186 447 61ms 17 days ago 729th KatieLG 🇬🇧 182 513 248ms 1 Nov 2024 729th KatieLG-Transpiler 🇬🇧 182 513 201ms 17 days ago 731st HumanoidCPU 181 449 116ms 1 Nov 2024 731st KatieLG 🇬🇧 181 449 122ms 1 Nov 2024 731st Shanethegamer 🇺🇸 181 449 124ms 1 Nov 2024 731st MeWhenI 🇻🇦 181 449 126ms 2 Nov 2024 731st CaedenHarper 🇨🇦 181 449 120ms 16 Aug 2025 736th HumanoidCPU 179 460 114ms 1 Nov 2024 736th MeWhenI 🇻🇦 179 460 112ms 2 Nov 2024 736th klixel 🇨🇦 179 460 108ms 15 Nov 2024 736th Shanethegamer 🇺🇸 179 460 107ms 20 Feb 2025 736th CaedenHarper 🇨🇦 179 460 108ms 16 Aug 2025 741st brimstonetrader 176 353 718ms 5 Nov 2024 742nd Shanethegamer 🇺🇸 176 475 48ms 1 Nov 2024 742nd CaedenHarper 🇨🇦 176 475 53ms 23 Jan 2025 742nd HumanoidCPU 176 475 53ms 28 Nov 2025 745th HumanoidCPU 176 515 4ms 1 Nov 2024 746th Jacob385 175 873 4ms 1 Nov 2024 747th CLOStrophobic 🇮🇹 174 356 4,314ms 9 Feb 2025 748th Blendi-Goose 173 387 1ms 7 Oct 2025 749th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 750th dokutan 172 392 114ms 29 Dec 2025 751st HumanoidCPU 172 470 433ms 8 Nov 2025 752nd HumanoidCPU 171 441 42ms 1 Nov 2024 752nd KatieLG 🇬🇧 171 441 44ms 1 Nov 2024 752nd Shanethegamer 🇺🇸 171 441 39ms 1 Nov 2024 752nd MeWhenI 🇻🇦 171 441 39ms 2 Nov 2024 752nd CaedenHarper 🇨🇦 171 441 36ms 25 Jan 2025 757th ocefra 170 393 92ms 25 Dec 2024 758th KatieLG-Transpiler 🇬🇧 170 445 45ms 17 days ago 759th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 760th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 760th CaedenHarper 🇨🇦 170 472 450ms 24 Jan 2025 762nd HumanoidCPU 170 473 435ms 1 Nov 2024 763rd HumanoidCPU 167 455 2ms 1 Nov 2024 763rd KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 763rd Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 763rd MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 763rd CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 768th HumanoidCPU 167 458 392ms 1 Nov 2024 768th Shanethegamer 🇺🇸 167 458 411ms 1 Nov 2024 768th dokutan 167 458 381ms 1 Nov 2024 768th mwarvik 🇳🇴 167 458 336ms 21 days ago 772nd KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 773rd KatieLG-Transpiler 🇬🇧 166 459 2ms 17 days ago 774th HumanoidCPU 165 441 3ms 1 Nov 2024 774th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 774th Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 774th MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 774th CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 774th KatieLG-Transpiler 🇬🇧 165 441 3ms 17 days ago 780th MeWhenI 🇻🇦 165 445 2,071ms 2 Nov 2024 780th CaedenHarper 🇨🇦 165 445 2,076ms 1 Feb 2025 782nd HumanoidCPU 162 452 2,124ms 1 Nov 2024 782nd Shanethegamer 🇺🇸 162 452 2,137ms 1 Nov 2024 782nd Chinay-Domitrix 🇺🇸 162 452 2,118ms 9 Apr 2025 785th HumanoidCPU 159 657 30ms 4 Nov 2025 786th CaedenHarper 🇨🇦 159 659 26ms 16 Aug 2025 787th KatieLG-Transpiler 🇬🇧 158 660 26ms 17 days ago 788th adamnielson42 🇺🇸 157 395 4,303ms 3 Dec 2024 789th KatieLG-Transpiler 🇬🇧 157 972 5ms 17 days ago 790th KatieLG-Transpiler 🇬🇧 156 522 344ms 17 days ago 791st MeWhenI 🇻🇦 155 509 37ms 2 Nov 2024 791st CaedenHarper 🇨🇦 155 509 37ms 22 Jan 2025 793rd KatieLG-Transpiler 🇬🇧 155 531 107ms 17 days ago 794th Kokusui 🇯🇵 154 434 5ms 19 Nov 2024 795th HumanoidCPU 154 454 67ms 1 Nov 2024 795th dokutan 154 454 66ms 1 Nov 2024 795th CaedenHarper 🇨🇦 154 454 64ms 16 Aug 2025 798th snoozingnewt 🇨🇦 154 476 2,242ms 27 Sep 2025 799th KatieLG 🇬🇧 154 510 36ms 1 Nov 2024 800th KatieLG-Transpiler 🇬🇧 154 511 36ms 17 days ago First Prev 721–800 of 1,051 Next Last