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 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 Apéry’s Constant Binary Lambda Calculus 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 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 721st QeepQeep 196 2,960 2ms 10 Nov 2024 721st Short-C0de 🇺🇸 196 2,960 2ms 14 Nov 2024 723rd HumanoidCPU 189 449 39ms 1 Nov 2024 723rd KatieLG 🇬🇧 189 449 39ms 1 Nov 2024 723rd Shanethegamer 🇺🇸 189 449 40ms 1 Nov 2024 723rd MeWhenI 🇻🇦 189 449 41ms 2 Nov 2024 723rd CaedenHarper 🇨🇦 189 449 42ms 16 Aug 2025 723rd gigaprofisi 🇺🇸 189 449 41ms 5 Nov 2025 729th CaedenHarper 🇨🇦 188 815 5ms 17 Aug 2025 730th Shanethegamer 🇺🇸 187 444 65ms 22 Nov 2024 731st HumanoidCPU 186 446 68ms 27 Jan 2025 732nd KatieLG 🇬🇧 186 447 68ms 1 Nov 2024 732nd MeWhenI 🇻🇦 186 447 62ms 2 Nov 2024 732nd CaedenHarper 🇨🇦 186 447 65ms 25 Jan 2025 732nd KatieLG-Transpiler 🇬🇧 186 447 61ms 9 Jan 2026 736th KatieLG 🇬🇧 182 513 248ms 1 Nov 2024 736th KatieLG-Transpiler 🇬🇧 182 513 201ms 9 Jan 2026 738th HumanoidCPU 181 449 116ms 1 Nov 2024 738th KatieLG 🇬🇧 181 449 122ms 1 Nov 2024 738th Shanethegamer 🇺🇸 181 449 124ms 1 Nov 2024 738th MeWhenI 🇻🇦 181 449 126ms 2 Nov 2024 738th CaedenHarper 🇨🇦 181 449 120ms 16 Aug 2025 743rd HumanoidCPU 179 460 114ms 1 Nov 2024 743rd MeWhenI 🇻🇦 179 460 112ms 2 Nov 2024 743rd klixel 🇨🇦 179 460 108ms 15 Nov 2024 743rd Shanethegamer 🇺🇸 179 460 107ms 20 Feb 2025 743rd CaedenHarper 🇨🇦 179 460 108ms 16 Aug 2025 748th brimstonetrader 176 353 778ms 5 Nov 2024 749th Shanethegamer 🇺🇸 176 475 48ms 1 Nov 2024 749th CaedenHarper 🇨🇦 176 475 53ms 23 Jan 2025 749th HumanoidCPU 176 475 53ms 28 Nov 2025 752nd HumanoidCPU 176 515 4ms 1 Nov 2024 753rd Jacob385 175 873 4ms 1 Nov 2024 754th CLOStrophobic 🇮🇹 174 356 4,507ms 9 Feb 2025 755th JOrE20 174 436 41ms 8 days ago 756th Blendi-Goose 173 387 1ms 7 Oct 2025 757th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 758th dokutan 172 392 129ms 29 Dec 2025 759th HumanoidCPU 172 441 42ms 1 Nov 2024 759th KatieLG 🇬🇧 172 441 44ms 1 Nov 2024 759th Shanethegamer 🇺🇸 172 441 39ms 1 Nov 2024 759th MeWhenI 🇻🇦 172 441 39ms 2 Nov 2024 759th CaedenHarper 🇨🇦 172 441 36ms 25 Jan 2025 764th HumanoidCPU 172 470 522ms 8 Nov 2025 765th ocefra 170 393 92ms 25 Dec 2024 766th KatieLG-Transpiler 🇬🇧 170 445 45ms 9 Jan 2026 767th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 768th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 768th CaedenHarper 🇨🇦 170 472 450ms 24 Jan 2025 770th HumanoidCPU 170 473 435ms 1 Nov 2024 771st HumanoidCPU 167 455 2ms 1 Nov 2024 771st KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 771st Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 771st MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 771st CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 776th HumanoidCPU 167 458 392ms 1 Nov 2024 776th Shanethegamer 🇺🇸 167 458 411ms 1 Nov 2024 776th dokutan 167 458 381ms 1 Nov 2024 776th mwarvik 🇳🇴 167 458 336ms 5 Jan 2026 780th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 781st KatieLG-Transpiler 🇬🇧 166 459 2ms 9 Jan 2026 782nd HumanoidCPU 165 441 3ms 1 Nov 2024 782nd KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 782nd Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 782nd MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 782nd CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 782nd KatieLG-Transpiler 🇬🇧 165 441 3ms 9 Jan 2026 788th MeWhenI 🇻🇦 165 445 2,025ms 2 Nov 2024 788th CaedenHarper 🇨🇦 165 445 2,097ms 1 Feb 2025 790th HumanoidCPU 162 452 2,027ms 1 Nov 2024 790th Shanethegamer 🇺🇸 162 452 2,005ms 1 Nov 2024 790th Chinay-Domitrix 🇺🇸 162 452 2,143ms 9 Apr 2025 793rd HumanoidCPU 160 657 30ms 4 Nov 2025 794th CaedenHarper 🇨🇦 159 659 26ms 16 Aug 2025 794th JOrE20 159 659 27ms 3 days ago 796th KatieLG-Transpiler 🇬🇧 159 660 26ms 9 Jan 2026 797th adamnielson42 🇺🇸 157 395 4,427ms 3 Dec 2024 798th KatieLG-Transpiler 🇬🇧 157 972 5ms 9 Jan 2026 799th KatieLG-Transpiler 🇬🇧 156 522 344ms 9 Jan 2026 800th MeWhenI 🇻🇦 155 509 37ms 2 Nov 2024 First Prev 721–800 of 1,067 Next Last