Kaprekar Numbers in all languages in bytes. 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 Bytes Time Submitted 721st Shanethegamer 🇺🇸 187 444 65ms 22 Nov 2024 722nd HumanoidCPU 186 446 68ms 27 Jan 2025 723rd KatieLG 🇬🇧 186 447 68ms 1 Nov 2024 723rd MeWhenI 🇻🇦 186 447 62ms 2 Nov 2024 723rd CaedenHarper 🇨🇦 186 447 65ms 25 Jan 2025 723rd KatieLG-Transpiler 🇬🇧 186 447 61ms 9 Jan 2026 727th HumanoidCPU 184 519 111ms 1 Nov 2024 727th Shanethegamer 🇺🇸 184 519 110ms 1 Nov 2024 727th KatieLG 🇬🇧 184 519 117ms 1 Nov 2024 727th dokutan 184 519 108ms 1 Nov 2024 727th MeWhenI 🇻🇦 184 519 112ms 2 Nov 2024 727th CaedenHarper 🇨🇦 184 519 107ms 25 Jan 2025 727th KatieLG-Transpiler 🇬🇧 184 519 118ms 9 Jan 2026 734th HumanoidCPU 181 449 120ms 1 Nov 2024 734th dokutan 181 449 117ms 1 Nov 2024 734th KatieLG 🇬🇧 181 449 126ms 1 Nov 2024 734th Shanethegamer 🇺🇸 181 449 116ms 1 Nov 2024 734th MeWhenI 🇻🇦 181 449 125ms 2 Nov 2024 734th CaedenHarper 🇨🇦 181 449 124ms 16 Aug 2025 740th HumanoidCPU 179 460 113ms 1 Nov 2024 740th dokutan 179 460 114ms 1 Nov 2024 740th MeWhenI 🇻🇦 179 460 112ms 2 Nov 2024 740th klixel 🇨🇦 179 460 111ms 15 Nov 2024 740th Shanethegamer 🇺🇸 179 460 128ms 20 Feb 2025 740th CaedenHarper 🇨🇦 179 460 108ms 16 Aug 2025 746th HumanoidCPU 176 515 3ms 1 Nov 2024 747th adamnielson42 🇺🇸 174 395 4,427ms 3 Dec 2024 748th dokutan 174 434 39ms 1 Nov 2024 749th JOrE20 174 436 41ms 2 Feb 2026 750th dokutan 174 475 54ms 1 Nov 2024 750th Shanethegamer 🇺🇸 174 475 53ms 1 Nov 2024 750th CaedenHarper 🇨🇦 174 475 51ms 23 Jan 2025 750th HumanoidCPU 174 475 50ms 28 Nov 2025 754th Blendi-Goose 173 387 1ms 7 Oct 2025 755th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 756th HumanoidCPU 172 441 39ms 1 Nov 2024 756th KatieLG 🇬🇧 172 441 44ms 1 Nov 2024 756th Shanethegamer 🇺🇸 172 441 39ms 1 Nov 2024 756th MeWhenI 🇻🇦 172 441 39ms 2 Nov 2024 756th CaedenHarper 🇨🇦 172 441 36ms 25 Jan 2025 761st dokutan 170 392 131ms 29 Dec 2025 762nd ocefra 170 393 98ms 25 Dec 2024 763rd KatieLG-Transpiler 🇬🇧 170 445 39ms 9 Jan 2026 764th dokutan 170 470 328ms 24 Sep 2025 764th Jacob385 170 470 468ms 27 Oct 2025 764th HumanoidCPU 170 470 522ms 8 Nov 2025 767th HumanoidCPU 167 455 2ms 1 Nov 2024 767th dokutan 167 455 2ms 1 Nov 2024 767th KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 767th Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 767th MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 767th CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 773rd Shanethegamer 🇺🇸 167 471 467ms 1 Nov 2024 774th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 774th MeWhenI 🇻🇦 167 472 494ms 2 Nov 2024 774th CaedenHarper 🇨🇦 167 472 448ms 24 Jan 2025 777th KatieLG-Transpiler 🇬🇧 166 459 2ms 9 Jan 2026 778th HumanoidCPU 166 473 464ms 1 Nov 2024 779th HumanoidCPU 165 441 3ms 1 Nov 2024 779th dokutan 165 441 3ms 1 Nov 2024 779th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 779th Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 779th MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 779th CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 779th KatieLG-Transpiler 🇬🇧 165 441 3ms 9 Jan 2026 786th dokutan 165 445 1,922ms 1 Nov 2024 786th MeWhenI 🇻🇦 165 445 2,025ms 2 Nov 2024 786th CaedenHarper 🇨🇦 165 445 2,097ms 1 Feb 2025 786th Chinay-Domitrix 🇺🇸 165 445 1,952ms 5 days ago 790th HumanoidCPU 165 458 376ms 1 Nov 2024 790th Shanethegamer 🇺🇸 165 458 393ms 1 Nov 2024 790th dokutan 165 458 379ms 1 Nov 2024 790th mwarvik 🇳🇴 165 458 336ms 5 Jan 2026 794th HumanoidCPU 162 452 2,027ms 1 Nov 2024 794th Shanethegamer 🇺🇸 162 452 2,005ms 1 Nov 2024 796th HumanoidCPU 160 657 30ms 4 Nov 2025 797th dokutan 159 318 53ms 1 Nov 2024 798th CaedenHarper 🇨🇦 159 659 26ms 16 Aug 2025 799th KatieLG-Transpiler 🇬🇧 159 660 26ms 9 Jan 2026 800th KatieLG-Transpiler 🇬🇧 156 522 374ms 9 Jan 2026 First Prev 721–800 of 1,096 Next Last