Kaprekar Numbers in all languages in bytes. 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 881st jusaka 162 453 2,611ms 7 days ago 882nd HumanoidCPU 161 657 30ms 4 Nov 2025 883rd HumanoidCPU 160 455 2ms 1 Nov 2024 883rd dokutan 160 455 2ms 1 Nov 2024 883rd KatieLG 🇬🇧 160 455 2ms 1 Nov 2024 883rd Shanethegamer 🇺🇸 160 455 2ms 1 Nov 2024 883rd MeWhenI 🇻🇦 160 455 2ms 2 Nov 2024 883rd CaedenHarper 🇨🇦 160 455 2ms 16 Aug 2025 889th CaedenHarper 🇨🇦 160 659 26ms 16 Aug 2025 890th KatieLG-Transpiler 🇬🇧 160 660 26ms 9 Jan 2026 891st dokutan 159 318 63ms 1 Nov 2024 892nd KatieLG-Transpiler 🇬🇧 159 459 2ms 9 Jan 2026 893rd jusaka 158 460 3ms 7 days ago 894th HumanoidCPU 158 515 3ms 1 Nov 2024 895th jusaka 158 1,259 5ms 7 days ago 896th jusaka 157 517 7ms 7 days ago 897th hiichbindermax 157 531 2,419ms 9 days ago 898th flekAI 156 466 2ms 4 days ago 899th dokutan 155 349 130ms 27 Dec 2025 900th dokutan 155 509 37ms 1 Nov 2024 900th MeWhenI 🇻🇦 155 509 37ms 2 Nov 2024 900th CaedenHarper 🇨🇦 155 509 37ms 22 Jan 2025 900th JOrE20 155 509 38ms 2 Feb 2026 904th KatieLG 🇬🇧 155 510 36ms 1 Nov 2024 905th KatieLG-Transpiler 🇬🇧 155 511 36ms 9 Jan 2026 906th KatieLG-Transpiler 🇬🇧 155 531 118ms 9 Jan 2026 907th HumanoidCPU 154 454 83ms 1 Nov 2024 907th dokutan 154 454 82ms 1 Nov 2024 907th CaedenHarper 🇨🇦 154 454 98ms 16 Aug 2025 910th snoozingnewt 🇨🇦 154 476 2,258ms 27 Sep 2025 911th denkyuu1 153 346 33ms 6 Mar 2026 912th JunkIce 153 449 10ms 21 Nov 2024 913th HumanoidCPU 152 448 148ms 1 Nov 2024 913th dokutan 152 448 144ms 1 Nov 2024 913th Shanethegamer 🇺🇸 152 448 139ms 1 Nov 2024 913th MeWhenI 🇻🇦 152 448 138ms 2 Nov 2024 913th CaedenHarper 🇨🇦 152 448 134ms 16 Aug 2025 918th HumanoidCPU 152 452 10ms 1 Nov 2024 918th GolfingSuccess 🇬🇷 152 452 9ms 1 Nov 2024 918th zbreit 🇺🇸 152 452 11ms 1 Nov 2024 918th Shanethegamer 🇺🇸 152 452 9ms 1 Nov 2024 918th madex 🇩🇪 152 452 10ms 1 Nov 2024 918th jtaxen 152 452 11ms 1 Nov 2024 918th Stockoh 🇫🇷 152 452 9ms 4 Nov 2024 918th evan18c 152 452 10ms 7 Nov 2024 918th roguh 🇬🇹 152 452 11ms 27 Nov 2024 918th mathisfun271 152 452 11ms 25 Jan 2025 918th moustave 152 452 10ms 9 Apr 2025 918th SectorCorruptor 152 452 10ms 24 Jul 2025 918th vgamula 🇺🇦 152 452 9ms 25 Jul 2025 918th Unknownuserfrommars 152 452 9ms 5 Aug 2025 918th JOrE20 152 452 10ms 6 Nov 2025 918th TheSecondComing123 152 452 10ms 25 Feb 2026 934th HumanoidCPU 150 448 1ms 1 Nov 2024 934th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 934th koipondx86 150 448 1ms 1 Nov 2024 934th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 934th CaedenHarper 🇨🇦 150 448 1ms 16 Aug 2025 939th KasperKivimaeki 🇫🇮 150 457 10ms 15 Jul 2025 940th muser-logiccpu 🇺🇦 150 458 10ms 9 Aug 2025 940th netfri25 🇮🇱 150 458 12ms 21 Feb 2026 940th rotemkm 150 458 10ms 21 Feb 2026 943rd ocefra 149 393 97ms 25 Dec 2024 944th jusaka 149 452 2ms 7 days ago 945th jusaka 149 469 84ms 7 days ago 946th KatieLG-Transpiler 🇬🇧 149 538 419ms 9 Jan 2026 947th Unknownuserfrommars 149 557 3,423ms 10 Dec 2024 948th HumanoidCPU 148 456 1ms 1 Nov 2024 948th dokutan 148 456 1ms 1 Nov 2024 948th Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 948th CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 948th Maashau 148 456 2ms 12 Dec 2025 953rd jusaka 148 461 173ms 7 days ago 954th jusaka 148 514 54ms 7 days ago 955th KatieLG 🇬🇧 148 563 1,424ms 1 Nov 2024 956th KatieLG 🇬🇧 147 466 157ms 30 Nov 2025 957th KatieLG 🇬🇧 147 538 473ms 1 Nov 2024 958th Shanethegamer 🇺🇸 146 450 815ms 16 Apr 2025 958th KatieLG 🇬🇧 146 450 1,034ms 20 Apr 2025 958th dokutan 146 450 855ms 23 Jul 2025 First Prev 881–960 of 1,249 Next Last