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 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 674th Shanethegamer 🇺🇸 189 449 40ms 1 Nov 2024 674th MeWhenI 🇻🇦 189 449 41ms 2 Nov 2024 674th CaedenHarper 🇨🇦 189 449 42ms 16 Aug 2025 674th gigaprofisi 🇺🇸 189 449 41ms 5 Nov 2025 680th Shanethegamer 🇺🇸 187 444 65ms 22 Nov 2024 681st HumanoidCPU 186 446 71ms 27 Jan 2025 682nd CaedenHarper 🇨🇦 186 815 5ms 17 Aug 2025 683rd KatieLG 🇬🇧 185 447 74ms 1 Nov 2024 683rd MeWhenI 🇻🇦 185 447 62ms 2 Nov 2024 683rd CaedenHarper 🇨🇦 185 447 65ms 25 Jan 2025 686th KatieLG 🇬🇧 182 513 222ms 1 Nov 2024 687th HumanoidCPU 182 515 4ms 1 Nov 2024 688th HumanoidCPU 181 449 116ms 1 Nov 2024 688th KatieLG 🇬🇧 181 449 122ms 1 Nov 2024 688th Shanethegamer 🇺🇸 181 449 124ms 1 Nov 2024 688th MeWhenI 🇻🇦 181 449 126ms 2 Nov 2024 688th CaedenHarper 🇨🇦 181 449 120ms 16 Aug 2025 693rd HumanoidCPU 178 460 108ms 1 Nov 2024 693rd MeWhenI 🇻🇦 178 460 110ms 2 Nov 2024 693rd klixel 🇨🇦 178 460 109ms 15 Nov 2024 693rd Shanethegamer 🇺🇸 178 460 110ms 20 Feb 2025 693rd CaedenHarper 🇨🇦 178 460 108ms 16 Aug 2025 698th brimstonetrader 176 353 718ms 5 Nov 2024 699th Shanethegamer 🇺🇸 176 475 53ms 1 Nov 2024 699th CaedenHarper 🇨🇦 176 475 48ms 23 Jan 2025 699th HumanoidCPU 176 475 50ms 15 days ago 702nd CLOStrophobic 🇮🇹 174 356 4,314ms 9 Feb 2025 703rd Jacob385 174 873 5ms 1 Nov 2024 704th CommandLeo 🇮🇹 173 359 9ms 8 Oct 2025 705th Blendi-Goose 173 387 2ms 7 Oct 2025 706th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 707th HumanoidCPU 172 470 433ms 8 Nov 2025 708th HumanoidCPU 171 441 36ms 1 Nov 2024 708th KatieLG 🇬🇧 171 441 35ms 1 Nov 2024 708th Shanethegamer 🇺🇸 171 441 36ms 1 Nov 2024 708th MeWhenI 🇻🇦 171 441 36ms 2 Nov 2024 708th CaedenHarper 🇨🇦 171 441 36ms 25 Jan 2025 713th ocefra 170 393 96ms 25 Dec 2024 714th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 715th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 715th CaedenHarper 🇨🇦 170 472 450ms 24 Jan 2025 715th dokutan 170 472 390ms 7 Nov 2025 718th KatieLG 🇬🇧 170 483 164ms 12 days ago 719th HumanoidCPU 169 473 435ms 1 Nov 2024 720th HumanoidCPU 167 455 2ms 1 Nov 2024 720th KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 720th Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 720th MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 720th CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 725th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 726th Shanethegamer 🇺🇸 166 450 606ms 16 Apr 2025 726th KatieLG 🇬🇧 166 450 579ms 20 Apr 2025 726th HumanoidCPU 166 450 590ms 18 Aug 2025 726th MeWhenI 🇻🇦 166 450 601ms 15 Sep 2025 730th HumanoidCPU 166 458 355ms 1 Nov 2024 730th Shanethegamer 🇺🇸 166 458 349ms 1 Nov 2024 730th KatieLG 🇬🇧 166 458 360ms 1 Nov 2024 730th dokutan 166 458 347ms 1 Nov 2024 734th KatieLG 🇬🇧 166 487 430ms 24 Sep 2025 735th HumanoidCPU 165 441 3ms 1 Nov 2024 735th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 735th Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 735th MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 735th CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 740th KatieLG 🇬🇧 165 445 2,487ms 1 Nov 2024 740th MeWhenI 🇻🇦 165 445 2,461ms 2 Nov 2024 740th CaedenHarper 🇨🇦 165 445 2,718ms 1 Feb 2025 743rd HumanoidCPU 162 452 2,835ms 1 Nov 2024 743rd Shanethegamer 🇺🇸 162 452 2,837ms 1 Nov 2024 743rd Chinay-Domitrix 🇺🇸 162 452 2,868ms 9 Apr 2025 746th HumanoidCPU 158 657 30ms 4 Nov 2025 747th CaedenHarper 🇨🇦 158 659 26ms 16 Aug 2025 748th adamnielson42 🇺🇸 157 395 4,303ms 3 Dec 2024 749th KatieLG 🇬🇧 157 661 29ms 1 Nov 2024 750th Kokusui 🇯🇵 154 434 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