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 HumanoidCPU 197 519 111ms 1 Nov 2024 721st Shanethegamer 🇺🇸 197 519 110ms 1 Nov 2024 721st KatieLG 🇬🇧 197 519 117ms 1 Nov 2024 721st dokutan 197 519 112ms 1 Nov 2024 721st MeWhenI 🇻🇦 197 519 112ms 2 Nov 2024 721st CaedenHarper 🇨🇦 197 519 108ms 25 Jan 2025 721st KatieLG-Transpiler 🇬🇧 197 519 118ms 9 Jan 2026 728th QeepQeep 196 2,960 2ms 10 Nov 2024 728th Short-C0de 🇺🇸 196 2,960 2ms 14 Nov 2024 730th HumanoidCPU 189 449 39ms 1 Nov 2024 730th KatieLG 🇬🇧 189 449 39ms 1 Nov 2024 730th Shanethegamer 🇺🇸 189 449 40ms 1 Nov 2024 730th MeWhenI 🇻🇦 189 449 41ms 2 Nov 2024 730th CaedenHarper 🇨🇦 189 449 42ms 16 Aug 2025 730th gigaprofisi 🇺🇸 189 449 41ms 5 Nov 2025 736th CaedenHarper 🇨🇦 188 815 5ms 17 Aug 2025 737th Shanethegamer 🇺🇸 187 444 65ms 22 Nov 2024 738th HumanoidCPU 186 446 68ms 27 Jan 2025 739th KatieLG 🇬🇧 186 447 68ms 1 Nov 2024 739th MeWhenI 🇻🇦 186 447 62ms 2 Nov 2024 739th CaedenHarper 🇨🇦 186 447 65ms 25 Jan 2025 739th KatieLG-Transpiler 🇬🇧 186 447 61ms 9 Jan 2026 743rd KatieLG 🇬🇧 182 513 248ms 1 Nov 2024 743rd KatieLG-Transpiler 🇬🇧 182 513 201ms 9 Jan 2026 745th HumanoidCPU 181 449 116ms 1 Nov 2024 745th KatieLG 🇬🇧 181 449 122ms 1 Nov 2024 745th Shanethegamer 🇺🇸 181 449 124ms 1 Nov 2024 745th MeWhenI 🇻🇦 181 449 126ms 2 Nov 2024 745th CaedenHarper 🇨🇦 181 449 120ms 16 Aug 2025 750th HumanoidCPU 179 460 109ms 1 Nov 2024 750th MeWhenI 🇻🇦 179 460 115ms 2 Nov 2024 750th klixel 🇨🇦 179 460 110ms 15 Nov 2024 750th Shanethegamer 🇺🇸 179 460 115ms 20 Feb 2025 750th CaedenHarper 🇨🇦 179 460 115ms 16 Aug 2025 755th brimstonetrader 176 353 778ms 5 Nov 2024 756th Shanethegamer 🇺🇸 176 475 48ms 1 Nov 2024 756th CaedenHarper 🇨🇦 176 475 53ms 23 Jan 2025 756th HumanoidCPU 176 475 53ms 28 Nov 2025 759th HumanoidCPU 176 515 4ms 1 Nov 2024 760th Jacob385 175 873 4ms 1 Nov 2024 761st CLOStrophobic 🇮🇹 174 356 4,507ms 9 Feb 2025 762nd JOrE20 174 436 41ms 15 days ago 763rd Blendi-Goose 173 387 1ms 7 Oct 2025 764th MeWhenI 🇻🇦 173 455 39ms 2 Nov 2024 765th dokutan 172 392 121ms 29 Dec 2025 766th HumanoidCPU 172 441 42ms 1 Nov 2024 766th KatieLG 🇬🇧 172 441 44ms 1 Nov 2024 766th Shanethegamer 🇺🇸 172 441 39ms 1 Nov 2024 766th MeWhenI 🇻🇦 172 441 39ms 2 Nov 2024 766th CaedenHarper 🇨🇦 172 441 36ms 25 Jan 2025 771st HumanoidCPU 172 470 522ms 8 Nov 2025 772nd ocefra 170 393 99ms 25 Dec 2024 773rd KatieLG-Transpiler 🇬🇧 170 445 45ms 9 Jan 2026 774th Shanethegamer 🇺🇸 170 471 467ms 1 Nov 2024 775th MeWhenI 🇻🇦 170 472 494ms 2 Nov 2024 775th CaedenHarper 🇨🇦 170 472 448ms 24 Jan 2025 777th HumanoidCPU 170 473 479ms 1 Nov 2024 778th HumanoidCPU 167 455 2ms 1 Nov 2024 778th KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 778th Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 778th MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 778th CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 783rd HumanoidCPU 167 458 392ms 1 Nov 2024 783rd Shanethegamer 🇺🇸 167 458 411ms 1 Nov 2024 783rd dokutan 167 458 381ms 1 Nov 2024 783rd mwarvik 🇳🇴 167 458 336ms 5 Jan 2026 787th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 788th KatieLG-Transpiler 🇬🇧 166 459 2ms 9 Jan 2026 789th HumanoidCPU 165 441 3ms 1 Nov 2024 789th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 789th Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 789th MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 789th CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 789th KatieLG-Transpiler 🇬🇧 165 441 3ms 9 Jan 2026 795th MeWhenI 🇻🇦 165 445 2,025ms 2 Nov 2024 795th CaedenHarper 🇨🇦 165 445 2,097ms 1 Feb 2025 797th HumanoidCPU 162 452 2,027ms 1 Nov 2024 797th Shanethegamer 🇺🇸 162 452 2,005ms 1 Nov 2024 797th Chinay-Domitrix 🇺🇸 162 452 2,143ms 9 Apr 2025 800th HumanoidCPU 160 657 30ms 4 Nov 2025 First Prev 721–800 of 1,073 Next Last