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 KatieLG 🇬🇧 192 284 32ms 2 Oct 2025 677th HumanoidCPU 189 449 41ms 1 Nov 2024 677th KatieLG 🇬🇧 189 449 39ms 1 Nov 2024 677th Shanethegamer 🇺🇸 189 449 40ms 1 Nov 2024 677th MeWhenI 🇻🇦 189 449 41ms 2 Nov 2024 677th CaedenHarper 🇨🇦 189 449 42ms 16 Aug 2025 677th gigaprofisi 🇺🇸 189 449 41ms 5 Nov 2025 683rd Shanethegamer 🇺🇸 187 444 65ms 22 Nov 2024 684th HumanoidCPU 186 446 71ms 27 Jan 2025 685th CaedenHarper 🇨🇦 186 815 5ms 17 Aug 2025 686th KatieLG 🇬🇧 185 447 74ms 1 Nov 2024 686th MeWhenI 🇻🇦 185 447 62ms 2 Nov 2024 686th CaedenHarper 🇨🇦 185 447 65ms 25 Jan 2025 689th KatieLG 🇬🇧 182 513 222ms 1 Nov 2024 690th HumanoidCPU 182 515 4ms 1 Nov 2024 691st HumanoidCPU 181 449 116ms 1 Nov 2024 691st KatieLG 🇬🇧 181 449 122ms 1 Nov 2024 691st Shanethegamer 🇺🇸 181 449 124ms 1 Nov 2024 691st MeWhenI 🇻🇦 181 449 126ms 2 Nov 2024 691st CaedenHarper 🇨🇦 181 449 120ms 16 Aug 2025 696th HumanoidCPU 178 460 108ms 1 Nov 2024 696th MeWhenI 🇻🇦 178 460 110ms 2 Nov 2024 696th klixel 🇨🇦 178 460 109ms 15 Nov 2024 696th Shanethegamer 🇺🇸 178 460 110ms 20 Feb 2025 696th CaedenHarper 🇨🇦 178 460 108ms 16 Aug 2025 701st brimstonetrader 176 353 718ms 5 Nov 2024 702nd Shanethegamer 🇺🇸 176 475 53ms 1 Nov 2024 702nd CaedenHarper 🇨🇦 176 475 48ms 23 Jan 2025 702nd HumanoidCPU 176 475 50ms 18 days ago 705th CLOStrophobic 🇮🇹 174 356 4,314ms 9 Feb 2025 706th Jacob385 174 873 5ms 1 Nov 2024 707th CommandLeo 🇮🇹 173 359 9ms 8 Oct 2025 708th Blendi-Goose 173 387 2ms 7 Oct 2025 709th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 710th HumanoidCPU 172 470 433ms 8 Nov 2025 711th HumanoidCPU 171 441 36ms 1 Nov 2024 711th KatieLG 🇬🇧 171 441 35ms 1 Nov 2024 711th Shanethegamer 🇺🇸 171 441 36ms 1 Nov 2024 711th MeWhenI 🇻🇦 171 441 36ms 2 Nov 2024 711th CaedenHarper 🇨🇦 171 441 36ms 25 Jan 2025 716th ocefra 170 393 96ms 25 Dec 2024 717th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 718th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 718th CaedenHarper 🇨🇦 170 472 450ms 24 Jan 2025 718th dokutan 170 472 390ms 7 Nov 2025 721st KatieLG 🇬🇧 170 483 164ms 16 days ago 722nd HumanoidCPU 169 473 435ms 1 Nov 2024 723rd HumanoidCPU 167 455 2ms 1 Nov 2024 723rd KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 723rd Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 723rd MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 723rd CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 728th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 729th Shanethegamer 🇺🇸 166 450 606ms 16 Apr 2025 729th KatieLG 🇬🇧 166 450 579ms 20 Apr 2025 729th HumanoidCPU 166 450 590ms 18 Aug 2025 729th MeWhenI 🇻🇦 166 450 601ms 15 Sep 2025 733rd HumanoidCPU 166 458 355ms 1 Nov 2024 733rd Shanethegamer 🇺🇸 166 458 349ms 1 Nov 2024 733rd KatieLG 🇬🇧 166 458 360ms 1 Nov 2024 733rd dokutan 166 458 347ms 1 Nov 2024 737th KatieLG 🇬🇧 166 487 430ms 24 Sep 2025 738th HumanoidCPU 165 441 3ms 1 Nov 2024 738th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 738th Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 738th MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 738th CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 743rd KatieLG 🇬🇧 165 445 2,487ms 1 Nov 2024 743rd MeWhenI 🇻🇦 165 445 2,461ms 2 Nov 2024 743rd CaedenHarper 🇨🇦 165 445 2,718ms 1 Feb 2025 746th HumanoidCPU 162 452 2,835ms 1 Nov 2024 746th Shanethegamer 🇺🇸 162 452 2,837ms 1 Nov 2024 746th Chinay-Domitrix 🇺🇸 162 452 2,868ms 9 Apr 2025 749th HumanoidCPU 158 657 30ms 4 Nov 2025 750th CaedenHarper 🇨🇦 158 659 26ms 16 Aug 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