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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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 675th MeWhenI 🇻🇦 185 447 69ms 2 Nov 2024 675th CaedenHarper 🇨🇦 185 447 71ms 25 Jan 2025 678th KatieLG 🇬🇧 182 513 202ms 1 Nov 2024 679th HumanoidCPU 182 515 3ms 1 Nov 2024 680th HumanoidCPU 181 449 116ms 1 Nov 2024 680th KatieLG 🇬🇧 181 449 114ms 1 Nov 2024 680th Shanethegamer 🇺🇸 181 449 120ms 1 Nov 2024 680th MeWhenI 🇻🇦 181 449 119ms 2 Nov 2024 680th CaedenHarper 🇨🇦 181 449 114ms 16 Aug 2025 685th HumanoidCPU 178 460 107ms 1 Nov 2024 685th MeWhenI 🇻🇦 178 460 110ms 2 Nov 2024 685th klixel 🇨🇦 178 460 110ms 15 Nov 2024 685th Shanethegamer 🇺🇸 178 460 106ms 20 Feb 2025 685th CaedenHarper 🇨🇦 178 460 108ms 16 Aug 2025 690th Shanethegamer 🇺🇸 176 475 50ms 1 Nov 2024 690th CaedenHarper 🇨🇦 176 475 49ms 23 Jan 2025 690th HumanoidCPU 176 475 47ms 13 hours ago 693rd brimstonetrader 175 353 805ms 5 Nov 2024 694th CLOStrophobic 🇮🇹 174 356 4,303ms 9 Feb 2025 695th Jacob385 174 873 4ms 1 Nov 2024 696th CommandLeo 🇮🇹 173 359 9ms 8 Oct 2025 697th Blendi-Goose 173 387 2ms 7 Oct 2025 698th MeWhenI 🇻🇦 173 455 51ms 2 Nov 2024 699th HumanoidCPU 172 470 330ms 20 days ago 700th HumanoidCPU 171 441 40ms 1 Nov 2024 700th KatieLG 🇬🇧 171 441 43ms 1 Nov 2024 700th Shanethegamer 🇺🇸 171 441 41ms 1 Nov 2024 700th MeWhenI 🇻🇦 171 441 35ms 2 Nov 2024 700th CaedenHarper 🇨🇦 171 441 40ms 25 Jan 2025 705th ocefra 170 393 92ms 25 Dec 2024 706th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 707th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 707th CaedenHarper 🇨🇦 170 472 477ms 24 Jan 2025 707th dokutan 170 472 390ms 21 days ago 710th HumanoidCPU 169 473 435ms 1 Nov 2024 711th HumanoidCPU 167 455 3ms 1 Nov 2024 711th KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 711th Shanethegamer 🇺🇸 167 455 3ms 1 Nov 2024 711th MeWhenI 🇻🇦 167 455 3ms 2 Nov 2024 711th CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 716th KatieLG 🇬🇧 167 472 46ms 1 Nov 2024 717th Shanethegamer 🇺🇸 166 450 598ms 16 Apr 2025 717th KatieLG 🇬🇧 166 450 602ms 20 Apr 2025 717th HumanoidCPU 166 450 601ms 18 Aug 2025 717th MeWhenI 🇻🇦 166 450 598ms 15 Sep 2025 721st HumanoidCPU 166 458 335ms 1 Nov 2024 721st Shanethegamer 🇺🇸 166 458 394ms 1 Nov 2024 721st KatieLG 🇬🇧 166 458 317ms 1 Nov 2024 721st dokutan 166 458 393ms 1 Nov 2024 725th KatieLG 🇬🇧 166 487 329ms 24 Sep 2025 726th HumanoidCPU 165 441 4ms 1 Nov 2024 726th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 726th Shanethegamer 🇺🇸 165 441 5ms 1 Nov 2024 726th MeWhenI 🇻🇦 165 441 4ms 2 Nov 2024 726th CaedenHarper 🇨🇦 165 441 4ms 31 Jan 2025 731st KatieLG 🇬🇧 165 445 2,579ms 1 Nov 2024 731st MeWhenI 🇻🇦 165 445 2,622ms 2 Nov 2024 731st CaedenHarper 🇨🇦 165 445 2,585ms 1 Feb 2025 734th HumanoidCPU 162 452 2,620ms 1 Nov 2024 734th Shanethegamer 🇺🇸 162 452 2,610ms 1 Nov 2024 734th Chinay-Domitrix 🇺🇸 162 452 2,586ms 9 Apr 2025 737th HumanoidCPU 158 657 29ms 23 days ago 738th CaedenHarper 🇨🇦 158 659 29ms 16 Aug 2025 739th adamnielson42 🇺🇸 157 395 4,355ms 3 Dec 2024 740th KatieLG 🇬🇧 157 661 27ms 1 Nov 2024 741st KatieLG 🇬🇧 156 527 114ms 1 Nov 2024 742nd Kokusui 🇯🇵 154 434 4ms 19 Nov 2024 743rd snoozingnewt 🇺🇸 154 476 2,979ms 27 Sep 2025 744th MeWhenI 🇻🇦 154 509 43ms 2 Nov 2024 744th CaedenHarper 🇨🇦 154 509 56ms 22 Jan 2025 746th KatieLG 🇬🇧 154 510 38ms 1 Nov 2024 747th HumanoidCPU 153 454 61ms 1 Nov 2024 747th dokutan 153 454 64ms 1 Nov 2024 747th CaedenHarper 🇨🇦 153 454 63ms 16 Aug 2025 750th Shanethegamer 🇺🇸 151 443 4ms 8 May 2025 First Prev 676–750 of 967 Next Last