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 Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 720th KatieLG 🇬🇧 197 445 105ms 1 Nov 2024 720th Shanethegamer 🇺🇸 197 445 85ms 1 Nov 2024 720th dokutan 197 445 92ms 1 Nov 2024 720th MeWhenI 🇻🇦 197 445 90ms 2 Nov 2024 720th CaedenHarper 🇨🇦 197 445 95ms 16 Aug 2025 720th KatieLG-Transpiler 🇬🇧 197 445 85ms 9 Jan 2026 727th HumanoidCPU 197 448 4ms 1 Nov 2024 727th Shanethegamer 🇺🇸 197 448 4ms 1 Nov 2024 727th KatieLG 🇬🇧 197 448 4ms 1 Nov 2024 727th MeWhenI 🇻🇦 197 448 4ms 2 Nov 2024 727th CaedenHarper 🇨🇦 197 448 5ms 24 Jan 2025 727th Babafaba 197 448 5ms 29 Oct 2025 727th KatieLG-Transpiler 🇬🇧 197 448 5ms 9 Jan 2026 734th QeepQeep 196 2,960 2ms 10 Nov 2024 734th Short-C0de 🇺🇸 196 2,960 2ms 14 Nov 2024 736th TheZwierzLF 🇵🇱 189 314 1,967ms 18 Dec 2025 737th HumanoidCPU 189 449 39ms 1 Nov 2024 737th KatieLG 🇬🇧 189 449 39ms 1 Nov 2024 737th Shanethegamer 🇺🇸 189 449 40ms 1 Nov 2024 737th MeWhenI 🇻🇦 189 449 41ms 2 Nov 2024 737th CaedenHarper 🇨🇦 189 449 42ms 16 Aug 2025 737th gigaprofisi 🇺🇸 189 449 41ms 5 Nov 2025 743rd CaedenHarper 🇨🇦 188 815 5ms 17 Aug 2025 744th Shanethegamer 🇺🇸 187 444 65ms 22 Nov 2024 745th HumanoidCPU 186 446 68ms 27 Jan 2025 746th KatieLG 🇬🇧 186 447 68ms 1 Nov 2024 746th MeWhenI 🇻🇦 186 447 62ms 2 Nov 2024 746th CaedenHarper 🇨🇦 186 447 65ms 25 Jan 2025 746th KatieLG-Transpiler 🇬🇧 186 447 61ms 9 Jan 2026 750th HumanoidCPU 184 519 111ms 1 Nov 2024 750th Shanethegamer 🇺🇸 184 519 110ms 1 Nov 2024 750th KatieLG 🇬🇧 184 519 117ms 1 Nov 2024 750th dokutan 184 519 108ms 1 Nov 2024 750th MeWhenI 🇻🇦 184 519 112ms 2 Nov 2024 750th CaedenHarper 🇨🇦 184 519 107ms 25 Jan 2025 750th KatieLG-Transpiler 🇬🇧 184 519 118ms 9 Jan 2026 757th KatieLG 🇬🇧 182 513 224ms 1 Nov 2024 757th KatieLG-Transpiler 🇬🇧 182 513 271ms 9 Jan 2026 759th HumanoidCPU 181 449 120ms 1 Nov 2024 759th KatieLG 🇬🇧 181 449 126ms 1 Nov 2024 759th Shanethegamer 🇺🇸 181 449 116ms 1 Nov 2024 759th MeWhenI 🇻🇦 181 449 125ms 2 Nov 2024 759th CaedenHarper 🇨🇦 181 449 124ms 16 Aug 2025 764th HumanoidCPU 179 460 107ms 1 Nov 2024 764th MeWhenI 🇻🇦 179 460 108ms 2 Nov 2024 764th klixel 🇨🇦 179 460 111ms 15 Nov 2024 764th Shanethegamer 🇺🇸 179 460 117ms 20 Feb 2025 764th CaedenHarper 🇨🇦 179 460 108ms 16 Aug 2025 769th HumanoidCPU 176 515 3ms 1 Nov 2024 770th Jacob385 175 873 5ms 1 Nov 2024 771st JOrE20 174 436 41ms 2 Feb 2026 772nd Shanethegamer 🇺🇸 174 475 58ms 1 Nov 2024 772nd CaedenHarper 🇨🇦 174 475 53ms 23 Jan 2025 772nd HumanoidCPU 174 475 56ms 28 Nov 2025 775th Blendi-Goose 173 387 1ms 7 Oct 2025 776th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 777th HumanoidCPU 172 441 39ms 1 Nov 2024 777th KatieLG 🇬🇧 172 441 44ms 1 Nov 2024 777th Shanethegamer 🇺🇸 172 441 39ms 1 Nov 2024 777th MeWhenI 🇻🇦 172 441 39ms 2 Nov 2024 777th CaedenHarper 🇨🇦 172 441 36ms 25 Jan 2025 782nd dokutan 170 392 117ms 29 Dec 2025 783rd ocefra 170 393 93ms 25 Dec 2024 784th KatieLG-Transpiler 🇬🇧 170 445 39ms 9 Jan 2026 785th HumanoidCPU 170 470 522ms 8 Nov 2025 786th brimstonetrader 168 353 778ms 5 Nov 2024 787th HumanoidCPU 167 455 2ms 1 Nov 2024 787th KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 787th Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 787th MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 787th CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 792nd Shanethegamer 🇺🇸 167 471 467ms 1 Nov 2024 793rd KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 793rd MeWhenI 🇻🇦 167 472 494ms 2 Nov 2024 793rd CaedenHarper 🇨🇦 167 472 448ms 24 Jan 2025 796th CLOStrophobic 🇮🇹 166 356 4,507ms 9 Feb 2025 797th KatieLG-Transpiler 🇬🇧 166 459 2ms 9 Jan 2026 798th HumanoidCPU 166 473 464ms 1 Nov 2024 799th HumanoidCPU 165 441 3ms 1 Nov 2024 799th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 First Prev 721–800 of 1,091 Next Last