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 676th HumanoidCPU 189 449 41ms 1 Nov 2024 676th KatieLG 🇬🇧 189 449 39ms 1 Nov 2024 676th Shanethegamer 🇺🇸 189 449 40ms 1 Nov 2024 676th MeWhenI 🇻🇦 189 449 41ms 2 Nov 2024 676th CaedenHarper 🇨🇦 189 449 42ms 16 Aug 2025 676th gigaprofisi 🇺🇸 189 449 41ms 5 Nov 2025 682nd Shanethegamer 🇺🇸 187 444 65ms 22 Nov 2024 683rd HumanoidCPU 186 446 71ms 27 Jan 2025 684th CaedenHarper 🇨🇦 186 815 5ms 17 Aug 2025 685th KatieLG 🇬🇧 185 447 74ms 1 Nov 2024 685th MeWhenI 🇻🇦 185 447 62ms 2 Nov 2024 685th CaedenHarper 🇨🇦 185 447 65ms 25 Jan 2025 688th KatieLG 🇬🇧 182 513 222ms 1 Nov 2024 689th HumanoidCPU 182 515 4ms 1 Nov 2024 690th HumanoidCPU 181 449 116ms 1 Nov 2024 690th KatieLG 🇬🇧 181 449 122ms 1 Nov 2024 690th Shanethegamer 🇺🇸 181 449 124ms 1 Nov 2024 690th MeWhenI 🇻🇦 181 449 126ms 2 Nov 2024 690th CaedenHarper 🇨🇦 181 449 120ms 16 Aug 2025 695th HumanoidCPU 178 460 108ms 1 Nov 2024 695th MeWhenI 🇻🇦 178 460 110ms 2 Nov 2024 695th klixel 🇨🇦 178 460 109ms 15 Nov 2024 695th Shanethegamer 🇺🇸 178 460 110ms 20 Feb 2025 695th CaedenHarper 🇨🇦 178 460 108ms 16 Aug 2025 700th brimstonetrader 176 353 718ms 5 Nov 2024 701st Shanethegamer 🇺🇸 176 475 53ms 1 Nov 2024 701st CaedenHarper 🇨🇦 176 475 48ms 23 Jan 2025 701st HumanoidCPU 176 475 50ms 15 days ago 704th CLOStrophobic 🇮🇹 174 356 4,314ms 9 Feb 2025 705th Jacob385 174 873 5ms 1 Nov 2024 706th CommandLeo 🇮🇹 173 359 9ms 8 Oct 2025 707th Blendi-Goose 173 387 2ms 7 Oct 2025 708th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 709th HumanoidCPU 172 470 433ms 8 Nov 2025 710th HumanoidCPU 171 441 36ms 1 Nov 2024 710th KatieLG 🇬🇧 171 441 35ms 1 Nov 2024 710th Shanethegamer 🇺🇸 171 441 36ms 1 Nov 2024 710th MeWhenI 🇻🇦 171 441 36ms 2 Nov 2024 710th CaedenHarper 🇨🇦 171 441 36ms 25 Jan 2025 715th ocefra 170 393 96ms 25 Dec 2024 716th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 717th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 717th CaedenHarper 🇨🇦 170 472 450ms 24 Jan 2025 717th dokutan 170 472 390ms 7 Nov 2025 720th KatieLG 🇬🇧 170 483 164ms 13 days ago 721st HumanoidCPU 169 473 435ms 1 Nov 2024 722nd HumanoidCPU 167 455 2ms 1 Nov 2024 722nd KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 722nd Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 722nd MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 722nd CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 727th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 728th Shanethegamer 🇺🇸 166 450 606ms 16 Apr 2025 728th KatieLG 🇬🇧 166 450 579ms 20 Apr 2025 728th HumanoidCPU 166 450 590ms 18 Aug 2025 728th MeWhenI 🇻🇦 166 450 601ms 15 Sep 2025 732nd HumanoidCPU 166 458 355ms 1 Nov 2024 732nd Shanethegamer 🇺🇸 166 458 349ms 1 Nov 2024 732nd KatieLG 🇬🇧 166 458 360ms 1 Nov 2024 732nd dokutan 166 458 347ms 1 Nov 2024 736th KatieLG 🇬🇧 166 487 430ms 24 Sep 2025 737th HumanoidCPU 165 441 3ms 1 Nov 2024 737th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 737th Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 737th MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 737th CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 742nd KatieLG 🇬🇧 165 445 2,487ms 1 Nov 2024 742nd MeWhenI 🇻🇦 165 445 2,461ms 2 Nov 2024 742nd CaedenHarper 🇨🇦 165 445 2,718ms 1 Feb 2025 745th HumanoidCPU 162 452 2,835ms 1 Nov 2024 745th Shanethegamer 🇺🇸 162 452 2,837ms 1 Nov 2024 745th Chinay-Domitrix 🇺🇸 162 452 2,868ms 9 Apr 2025 748th HumanoidCPU 158 657 30ms 4 Nov 2025 749th CaedenHarper 🇨🇦 158 659 26ms 16 Aug 2025 750th adamnielson42 🇺🇸 157 395 4,303ms 3 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