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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Bytes Time Submitted 881st HumanoidCPU 141 446 72ms 1 Nov 2024 881st Shanethegamer 🇺🇸 141 446 73ms 1 Nov 2024 881st MeWhenI 🇻🇦 141 446 77ms 2 Nov 2024 881st snoozingnewt 🇨🇦 141 446 77ms 3 Nov 2024 881st CaedenHarper 🇨🇦 141 446 71ms 16 Aug 2025 886th KatieLG-Transpiler 🇬🇧 140 564 148ms 9 Jan 2026 887th dokutan 139 452 76ms 1 Nov 2024 888th KatieLG 🇬🇧 138 505 625ms 30 Nov 2025 889th emgordon154 138 602 2,170ms 12 Dec 2024 890th HumanoidCPU 137 575 41ms 9 Mar 2025 891st KatieLG 🇬🇧 135 465 78ms 30 Nov 2025 892nd dokutan 134 473 1ms 1 Nov 2024 893rd KatieLG 🇬🇧 133 475 1ms 1 Nov 2024 894th dokutan 133 591 38ms 1 Nov 2024 895th KatieLG-Transpiler 🇬🇧 132 505 120ms 9 Jan 2026 896th KatieLG-Transpiler 🇬🇧 132 515 94ms 9 Jan 2026 897th KatieLG-Transpiler 🇬🇧 132 519 9ms 9 Jan 2026 898th KatieLG 🇬🇧 131 443 2ms 30 Nov 2025 899th HumanoidCPU 131 444 2ms 1 Nov 2024 899th Shanethegamer 🇺🇸 131 444 3ms 1 Nov 2024 899th dokutan 131 444 2ms 1 Nov 2024 899th MeWhenI 🇻🇦 131 444 2ms 2 Nov 2024 899th CaedenHarper 🇨🇦 131 444 2ms 16 Aug 2025 904th dokutan 131 483 1ms 21 Jun 2025 905th KatieLG-Transpiler 🇬🇧 131 512 4ms 9 Jan 2026 906th KatieLG-Transpiler 🇬🇧 131 533 636ms 9 Jan 2026 907th KatieLG-Transpiler 🇬🇧 130 446 3ms 9 Jan 2026 908th KatieLG 🇬🇧 130 487 1ms 30 Nov 2025 909th KatieLG 🇬🇧 130 515 2ms 8 Jan 2025 909th KatieLG-Transpiler 🇬🇧 130 515 1ms 9 Jan 2026 911th KatieLG-Transpiler 🇬🇧 128 528 1ms 9 Jan 2026 912th sciencejiho 127 532 2ms 12 Feb 2025 913th KatieLG-Transpiler 🇬🇧 125 519 380ms 9 Jan 2026 914th MeWhenI 🇻🇦 123 515 1ms 2 Nov 2024 914th CaedenHarper 🇨🇦 123 515 1ms 12 Nov 2025 914th Shanethegamer 🇺🇸 123 515 1ms 12 Nov 2025 914th HumanoidCPU 123 515 1ms 12 Nov 2025 918th KatieLG-Transpiler 🇬🇧 122 517 65ms 9 Jan 2026 919th HumanoidCPU 122 518 1ms 1 Nov 2024 919th Shanethegamer 🇺🇸 122 518 1ms 1 Nov 2024 919th MeWhenI 🇻🇦 122 518 2ms 2 Nov 2024 919th CaedenHarper 🇨🇦 122 518 1ms 22 Jan 2025 923rd KatieLG-Transpiler 🇬🇧 122 519 1ms 9 Jan 2026 924th KatieLG-Transpiler 🇬🇧 121 525 2ms 9 Jan 2026 925th dokutan 120 439 36ms 21 Apr 2025 925th olleicua 🇺🇸 120 439 35ms 12 Jun 2025 927th HumanoidCPU 119 445 34ms 1 Nov 2024 927th Shanethegamer 🇺🇸 119 445 33ms 1 Nov 2024 927th CaedenHarper 🇨🇦 119 445 37ms 16 Aug 2025 930th Shanethegamer 🇺🇸 119 453 118ms 1 Nov 2024 930th KatieLG 🇬🇧 119 453 119ms 1 Nov 2024 930th MeWhenI 🇻🇦 119 453 119ms 2 Nov 2024 930th CaedenHarper 🇨🇦 119 453 123ms 24 Jan 2025 934th HumanoidCPU 118 446 11ms 1 Nov 2024 934th dokutan 118 446 9ms 1 Nov 2024 934th MeWhenI 🇻🇦 118 446 9ms 2 Nov 2024 934th zakariamouhid 118 446 9ms 17 Nov 2024 934th Salutations45 118 446 9ms 22 Nov 2024 934th gigaprofisi 🇺🇸 118 446 8ms 20 Jun 2025 934th didion0 🇺🇸 118 446 10ms 26 Aug 2025 934th olleicua 🇺🇸 118 446 9ms 10 Sep 2025 942nd KatieLG-Transpiler 🇬🇧 118 457 126ms 9 Jan 2026 943rd HumanoidCPU 117 446 1,278ms 1 Nov 2024 943rd Shanethegamer 🇺🇸 117 446 1,285ms 1 Nov 2024 943rd dokutan 117 446 1,302ms 1 Nov 2024 943rd CaedenHarper 🇨🇦 117 446 1,311ms 24 Jan 2025 947th iczelia 🇩🇪 117 447 10ms 24 Oct 2025 948th HumanoidCPU 117 448 156ms 1 Nov 2024 948th dokutan 117 448 160ms 1 Nov 2024 948th MeWhenI 🇻🇦 117 448 153ms 2 Nov 2024 948th MarcMush 🇫🇷 117 448 147ms 19 Nov 2024 948th CaedenHarper 🇨🇦 117 448 162ms 1 Feb 2025 948th Quadruplay 117 448 9ms 12 Jul 2025 954th KatieLG-Transpiler 🇬🇧 116 455 38ms 9 Jan 2026 955th KatieLG-Transpiler 🇬🇧 115 455 9ms 9 Jan 2026 956th KatieLG 🇬🇧 114 461 1,221ms 30 Nov 2025 956th KatieLG 🇬🇧 114 461 33ms 30 Nov 2025 958th KatieLG 🇬🇧 112 467 170ms 30 Nov 2025 959th HumanoidCPU 111 453 47ms 1 Nov 2024 960th MeWhenI 🇻🇦 111 454 47ms 2 Nov 2024 First Prev 881–960 of 1,097 Next Last
