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 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 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 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 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 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 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 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 751st MeWhenI 🇻🇦 154 509 37ms 2 Nov 2024 751st CaedenHarper 🇨🇦 154 509 37ms 22 Jan 2025 753rd KatieLG 🇬🇧 154 510 36ms 1 Nov 2024 754th HumanoidCPU 153 454 65ms 1 Nov 2024 754th dokutan 153 454 64ms 1 Nov 2024 754th CaedenHarper 🇨🇦 153 454 62ms 16 Aug 2025 757th Shanethegamer 🇺🇸 151 443 4ms 8 May 2025 758th HumanoidCPU 151 448 102ms 1 Nov 2024 758th Shanethegamer 🇺🇸 151 448 104ms 1 Nov 2024 758th MeWhenI 🇻🇦 151 448 95ms 2 Nov 2024 758th CaedenHarper 🇨🇦 151 448 99ms 16 Aug 2025 762nd HumanoidCPU 150 445 4ms 1 Nov 2024 762nd MeWhenI 🇻🇦 150 445 4ms 2 Nov 2024 762nd fischfood 150 445 4ms 8 Nov 2024 762nd CaedenHarper 🇨🇦 150 445 4ms 16 Aug 2025 766th Unknownuserfrommars 150 557 2,769ms 10 Dec 2024 767th Maznek 149 364 9ms 8 Nov 2024 767th elisherer 🇮🇱 149 364 9ms 3 Nov 2025 769th HumanoidCPU 149 448 1ms 1 Nov 2024 769th Shanethegamer 🇺🇸 149 448 1ms 1 Nov 2024 769th koipondx86 149 448 1ms 1 Nov 2024 769th MeWhenI 🇻🇦 149 448 1ms 2 Nov 2024 769th CaedenHarper 🇨🇦 149 448 1ms 16 Aug 2025 774th KatieLG 🇬🇧 149 538 465ms 1 Nov 2024 775th KatieLG 🇬🇧 149 563 958ms 1 Nov 2024 776th HumanoidCPU 148 456 1ms 1 Nov 2024 776th Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 776th CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 776th Maashau 148 456 2ms 12 hours ago 780th HumanoidCPU 146 461 100ms 1 Nov 2024 780th KatieLG 🇬🇧 146 461 102ms 1 Nov 2024 780th Shanethegamer 🇺🇸 146 461 98ms 1 Nov 2024 780th dokutan 146 461 100ms 1 Nov 2024 780th MeWhenI 🇻🇦 146 461 97ms 2 Nov 2024 780th CaedenHarper 🇨🇦 146 461 104ms 24 Jan 2025 786th KatieLG 🇬🇧 146 466 90ms 12 days ago 787th KatieLG 🇬🇧 142 469 7ms 12 days ago 788th HumanoidCPU 141 446 72ms 1 Nov 2024 788th Shanethegamer 🇺🇸 141 446 73ms 1 Nov 2024 788th MeWhenI 🇻🇦 141 446 79ms 2 Nov 2024 788th CaedenHarper 🇨🇦 141 446 71ms 16 Aug 2025 792nd emgordon154 139 602 1,793ms 12 Dec 2024 793rd KatieLG 🇬🇧 138 505 636ms 12 days ago 794th GolfingSuccess 🇬🇷 137 452 9ms 1 Nov 2024 794th zbreit 🇺🇸 137 452 9ms 1 Nov 2024 794th Shanethegamer 🇺🇸 137 452 9ms 1 Nov 2024 794th madex 🇩🇪 137 452 9ms 1 Nov 2024 794th jtaxen 137 452 9ms 1 Nov 2024 794th Stockoh 🇫🇷 137 452 9ms 4 Nov 2024 794th evan18c 137 452 9ms 7 Nov 2024 794th roguh 🇬🇹 137 452 9ms 27 Nov 2024 794th mathisfun271 137 452 10ms 25 Jan 2025 794th moustave 137 452 9ms 9 Apr 2025 794th SectorCorruptor 137 452 9ms 24 Jul 2025 794th vgamula 🇺🇦 137 452 9ms 25 Jul 2025 794th Unknownuserfrommars 137 452 9ms 5 Aug 2025 794th JOrE20 🇺🇸 137 452 9ms 6 Nov 2025 808th dokutan 136 273 3ms 13 Nov 2024 809th KasperKivimaeki 🇫🇮 136 457 9ms 15 Jul 2025 809th 051 🇸🇬 136 457 9ms 8 Oct 2025 811th HumanoidCPU 136 575 41ms 9 Mar 2025 812th Upload-and-View 🇺🇦 135 458 9ms 9 Aug 2025 813th KatieLG 🇬🇧 135 465 110ms 12 days ago 814th Shanethegamer 🇺🇸 134 452 335ms 1 Nov 2024 815th dokutan 133 473 2ms 1 Nov 2024 816th KatieLG 🇬🇧 133 475 1ms 1 Nov 2024 817th KatieLG 🇬🇧 132 487 1ms 12 days ago 818th KatieLG 🇬🇧 131 443 2ms 12 days ago 819th HumanoidCPU 131 444 2ms 1 Nov 2024 819th Shanethegamer 🇺🇸 131 444 3ms 1 Nov 2024 819th dokutan 131 444 2ms 1 Nov 2024 819th MeWhenI 🇻🇦 131 444 2ms 2 Nov 2024 819th CaedenHarper 🇨🇦 131 444 2ms 16 Aug 2025 824th KatieLG 🇬🇧 130 515 1ms 8 Jan 2025 825th KatieLG 🇬🇧 127 530 1ms 1 Nov 2024 First Prev 751–825 of 976 Next Last