The Multitap Input hole will go live in approximately 3 days. Why not try and solve it ahead of time?
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 801st KatieLG-Transpiler 🇬🇧 154 511 36ms 19 days ago 802nd HumanoidCPU 152 448 100ms 1 Nov 2024 802nd Shanethegamer 🇺🇸 152 448 100ms 1 Nov 2024 802nd MeWhenI 🇻🇦 152 448 98ms 2 Nov 2024 802nd CaedenHarper 🇨🇦 152 448 93ms 16 Aug 2025 806th Shanethegamer 🇺🇸 151 443 4ms 8 May 2025 807th Shanethegamer 🇺🇸 151 450 798ms 16 Apr 2025 807th KatieLG 🇬🇧 151 450 879ms 20 Apr 2025 807th MeWhenI 🇻🇦 151 450 839ms 15 Sep 2025 810th HumanoidCPU 150 445 4ms 1 Nov 2024 810th MeWhenI 🇻🇦 150 445 4ms 2 Nov 2024 810th fischfood 150 445 4ms 8 Nov 2024 810th CaedenHarper 🇨🇦 150 445 4ms 16 Aug 2025 814th HumanoidCPU 150 448 1ms 1 Nov 2024 814th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 814th koipondx86 150 448 2ms 1 Nov 2024 814th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 814th CaedenHarper 🇨🇦 150 448 2ms 16 Aug 2025 819th KatieLG-Transpiler 🇬🇧 150 538 419ms 19 days ago 820th Unknownuserfrommars 150 557 2,962ms 10 Dec 2024 821st KatieLG-Transpiler 🇬🇧 150 578 2ms 19 days ago 822nd KatieLG 🇬🇧 149 538 465ms 1 Nov 2024 823rd KatieLG 🇬🇧 149 563 980ms 1 Nov 2024 824th HumanoidCPU 148 456 1ms 1 Nov 2024 824th Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 824th CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 824th Maashau 148 456 2ms 12 Dec 2025 828th Maznek 146 364 8ms 8 Nov 2024 828th elisherer 🇮🇱 146 364 9ms 3 Nov 2025 830th HumanoidCPU 146 461 107ms 1 Nov 2024 830th KatieLG 🇬🇧 146 461 110ms 1 Nov 2024 830th Shanethegamer 🇺🇸 146 461 110ms 1 Nov 2024 830th MeWhenI 🇻🇦 146 461 108ms 2 Nov 2024 830th CaedenHarper 🇨🇦 146 461 110ms 24 Jan 2025 835th KatieLG 🇬🇧 146 466 118ms 30 Nov 2025 836th KatieLG-Transpiler 🇬🇧 145 528 362ms 19 days ago 837th dokutan 143 349 127ms 27 Dec 2025 838th KatieLG 🇬🇧 143 469 4ms 30 Nov 2025 839th KatieLG-Transpiler 🇬🇧 142 564 153ms 19 days ago 840th HumanoidCPU 141 446 72ms 1 Nov 2024 840th Shanethegamer 🇺🇸 141 446 73ms 1 Nov 2024 840th MeWhenI 🇻🇦 141 446 79ms 2 Nov 2024 840th CaedenHarper 🇨🇦 141 446 71ms 16 Aug 2025 844th emgordon154 139 602 1,729ms 12 Dec 2024 845th KatieLG 🇬🇧 138 505 625ms 30 Nov 2025 846th GolfingSuccess 🇬🇷 137 452 9ms 1 Nov 2024 846th zbreit 🇺🇸 137 452 9ms 1 Nov 2024 846th Shanethegamer 🇺🇸 137 452 9ms 1 Nov 2024 846th madex 🇩🇪 137 452 9ms 1 Nov 2024 846th jtaxen 137 452 9ms 1 Nov 2024 846th Stockoh 🇫🇷 137 452 9ms 4 Nov 2024 846th evan18c 137 452 9ms 7 Nov 2024 846th roguh 🇬🇹 137 452 9ms 27 Nov 2024 846th mathisfun271 137 452 10ms 25 Jan 2025 846th moustave 137 452 9ms 9 Apr 2025 846th SectorCorruptor 137 452 9ms 24 Jul 2025 846th vgamula 🇺🇦 137 452 9ms 25 Jul 2025 846th Unknownuserfrommars 137 452 9ms 5 Aug 2025 846th JOrE20 🇺🇸 137 452 9ms 6 Nov 2025 860th HumanoidCPU 137 575 41ms 9 Mar 2025 861st dokutan 136 273 3ms 13 Nov 2024 862nd KasperKivimaeki 🇫🇮 136 457 9ms 15 Jul 2025 863rd muser-logiccpu 🇺🇦 135 458 9ms 9 Aug 2025 864th KatieLG 🇬🇧 135 465 110ms 30 Nov 2025 865th Shanethegamer 🇺🇸 134 452 360ms 1 Nov 2024 866th dokutan 134 473 2ms 1 Nov 2024 867th KatieLG 🇬🇧 133 475 1ms 1 Nov 2024 868th KatieLG-Transpiler 🇬🇧 133 505 106ms 19 days ago 869th KatieLG 🇬🇧 132 487 1ms 30 Nov 2025 870th KatieLG-Transpiler 🇬🇧 132 515 94ms 19 days ago 871st KatieLG 🇬🇧 131 443 2ms 30 Nov 2025 872nd HumanoidCPU 131 444 2ms 1 Nov 2024 872nd Shanethegamer 🇺🇸 131 444 3ms 1 Nov 2024 872nd dokutan 131 444 2ms 1 Nov 2024 872nd MeWhenI 🇻🇦 131 444 2ms 2 Nov 2024 872nd CaedenHarper 🇨🇦 131 444 2ms 16 Aug 2025 877th KatieLG-Transpiler 🇬🇧 131 512 4ms 19 days ago 878th KatieLG-Transpiler 🇬🇧 131 533 636ms 19 days ago 879th KatieLG-Transpiler 🇬🇧 130 446 3ms 19 days ago 880th KatieLG 🇬🇧 130 515 2ms 8 Jan 2025 First Prev 801–880 of 1,052 Next Last