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 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 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 ArkScript 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 ArkScript 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 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 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 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 721st HumanoidCPU 172 470 433ms 8 Nov 2025 722nd dokutan 171 392 114ms 8 days ago 723rd HumanoidCPU 171 441 39ms 1 Nov 2024 723rd KatieLG 🇬🇧 171 441 40ms 1 Nov 2024 723rd Shanethegamer 🇺🇸 171 441 39ms 1 Nov 2024 723rd MeWhenI 🇻🇦 171 441 37ms 2 Nov 2024 723rd CaedenHarper 🇨🇦 171 441 38ms 25 Jan 2025 728th ocefra 170 393 104ms 25 Dec 2024 729th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 730th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 730th CaedenHarper 🇨🇦 170 472 450ms 24 Jan 2025 732nd KatieLG 🇬🇧 170 483 164ms 30 Nov 2025 733rd HumanoidCPU 169 473 435ms 1 Nov 2024 734th HumanoidCPU 167 455 2ms 1 Nov 2024 734th KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 734th Shanethegamer 🇺🇸 167 455 2ms 1 Nov 2024 734th MeWhenI 🇻🇦 167 455 2ms 2 Nov 2024 734th CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 739th HumanoidCPU 167 458 355ms 1 Nov 2024 739th Shanethegamer 🇺🇸 167 458 349ms 1 Nov 2024 739th KatieLG 🇬🇧 167 458 341ms 1 Nov 2024 739th dokutan 167 458 347ms 1 Nov 2024 739th mwarvik 🇳🇴 167 458 379ms 46 hours ago 739th amazingalek 167 458 380ms 10 hours ago 745th KatieLG 🇬🇧 167 472 42ms 1 Nov 2024 746th KatieLG 🇬🇧 166 487 430ms 24 Sep 2025 747th HumanoidCPU 165 441 3ms 1 Nov 2024 747th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 747th Shanethegamer 🇺🇸 165 441 3ms 1 Nov 2024 747th MeWhenI 🇻🇦 165 441 3ms 2 Nov 2024 747th CaedenHarper 🇨🇦 165 441 3ms 31 Jan 2025 752nd KatieLG 🇬🇧 165 445 2,943ms 1 Nov 2024 752nd MeWhenI 🇻🇦 165 445 3,014ms 2 Nov 2024 752nd CaedenHarper 🇨🇦 165 445 2,780ms 1 Feb 2025 755th HumanoidCPU 162 452 3,151ms 1 Nov 2024 755th Shanethegamer 🇺🇸 162 452 2,970ms 1 Nov 2024 755th Chinay-Domitrix 🇺🇸 162 452 2,644ms 9 Apr 2025 758th HumanoidCPU 158 657 30ms 4 Nov 2025 759th CaedenHarper 🇨🇦 158 659 26ms 16 Aug 2025 760th adamnielson42 🇺🇸 157 395 4,303ms 3 Dec 2024 761st KatieLG 🇬🇧 157 661 29ms 1 Nov 2024 762nd Kokusui 🇯🇵 154 434 4ms 19 Nov 2024 763rd snoozingnewt 🇨🇦 154 476 3,559ms 27 Sep 2025 764th MeWhenI 🇻🇦 154 509 37ms 2 Nov 2024 764th CaedenHarper 🇨🇦 154 509 37ms 22 Jan 2025 766th KatieLG 🇬🇧 154 510 36ms 1 Nov 2024 767th HumanoidCPU 153 454 67ms 1 Nov 2024 767th dokutan 153 454 66ms 1 Nov 2024 767th CaedenHarper 🇨🇦 153 454 64ms 16 Aug 2025 770th Shanethegamer 🇺🇸 151 443 6ms 8 May 2025 771st HumanoidCPU 151 448 117ms 1 Nov 2024 771st Shanethegamer 🇺🇸 151 448 100ms 1 Nov 2024 771st MeWhenI 🇻🇦 151 448 103ms 2 Nov 2024 771st CaedenHarper 🇨🇦 151 448 97ms 16 Aug 2025 775th Shanethegamer 🇺🇸 151 450 606ms 16 Apr 2025 775th KatieLG 🇬🇧 151 450 579ms 20 Apr 2025 775th MeWhenI 🇻🇦 151 450 601ms 15 Sep 2025 778th HumanoidCPU 150 445 5ms 1 Nov 2024 778th MeWhenI 🇻🇦 150 445 4ms 2 Nov 2024 778th fischfood 150 445 4ms 8 Nov 2024 778th CaedenHarper 🇨🇦 150 445 7ms 16 Aug 2025 782nd HumanoidCPU 150 448 1ms 1 Nov 2024 782nd Shanethegamer 🇺🇸 150 448 2ms 1 Nov 2024 782nd koipondx86 150 448 2ms 1 Nov 2024 782nd MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 782nd CaedenHarper 🇨🇦 150 448 2ms 16 Aug 2025 787th Unknownuserfrommars 150 557 3,002ms 10 Dec 2024 788th KatieLG 🇬🇧 149 538 465ms 1 Nov 2024 789th KatieLG 🇬🇧 149 563 980ms 1 Nov 2024 790th HumanoidCPU 148 456 1ms 1 Nov 2024 790th Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 790th CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 790th Maashau 148 456 2ms 25 days ago 794th Maznek 146 364 10ms 8 Nov 2024 794th elisherer 🇮🇱 146 364 10ms 3 Nov 2025 796th HumanoidCPU 146 461 111ms 1 Nov 2024 796th KatieLG 🇬🇧 146 461 110ms 1 Nov 2024 796th Shanethegamer 🇺🇸 146 461 119ms 1 Nov 2024 796th MeWhenI 🇻🇦 146 461 115ms 2 Nov 2024 796th CaedenHarper 🇨🇦 146 461 110ms 24 Jan 2025 First Prev 721–800 of 992 Next Last