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 801st HumanoidCPU 185 519 111ms 1 Nov 2024 801st Shanethegamer 🇺🇸 185 519 110ms 1 Nov 2024 801st KatieLG 🇬🇧 185 519 117ms 1 Nov 2024 801st dokutan 185 519 108ms 1 Nov 2024 801st MeWhenI 🇻🇦 185 519 112ms 2 Nov 2024 801st CaedenHarper 🇨🇦 185 519 107ms 25 Jan 2025 801st KatieLG-Transpiler 🇬🇧 185 519 118ms 9 Jan 2026 808th jusaka 184 521 171ms 6 days ago 809th Shanethegamer 🇺🇸 181 447 4ms 1 Nov 2024 809th CaedenHarper 🇨🇦 181 447 4ms 31 Jan 2025 811th KatieLG 🇬🇧 181 448 4ms 1 Nov 2024 811th MeWhenI 🇻🇦 181 448 4ms 2 Nov 2024 811th KatieLG-Transpiler 🇬🇧 181 448 3ms 9 Jan 2026 814th HumanoidCPU 179 460 106ms 1 Nov 2024 814th dokutan 179 460 110ms 1 Nov 2024 814th MeWhenI 🇻🇦 179 460 109ms 2 Nov 2024 814th klixel 🇨🇦 179 460 111ms 15 Nov 2024 814th Shanethegamer 🇺🇸 179 460 112ms 20 Feb 2025 814th CaedenHarper 🇨🇦 179 460 112ms 16 Aug 2025 820th flekAI 177 483 41ms 3 days ago 821st flekAI 176 460 4ms 3 days ago 822nd dokutan 175 434 39ms 1 Nov 2024 823rd dokutan 175 475 55ms 1 Nov 2024 823rd Shanethegamer 🇺🇸 175 475 58ms 1 Nov 2024 823rd CaedenHarper 🇨🇦 175 475 55ms 23 Jan 2025 823rd HumanoidCPU 175 475 57ms 28 Nov 2025 827th Blendi-Goose 174 387 1ms 7 Oct 2025 828th adamnielson42 🇺🇸 174 395 4,436ms 3 Dec 2024 829th JOrE20 174 436 41ms 2 Feb 2026 830th MeWhenI 🇻🇦 174 455 39ms 2 Nov 2024 831st KatieLG 🇬🇧 173 513 224ms 1 Nov 2024 831st KatieLG-Transpiler 🇬🇧 173 513 189ms 9 Jan 2026 833rd HumanoidCPU 172 441 38ms 1 Nov 2024 833rd KatieLG 🇬🇧 172 441 38ms 1 Nov 2024 833rd Shanethegamer 🇺🇸 172 441 37ms 1 Nov 2024 833rd MeWhenI 🇻🇦 172 441 39ms 2 Nov 2024 833rd CaedenHarper 🇨🇦 172 441 38ms 25 Jan 2025 838th KatieLG-Transpiler 🇬🇧 171 445 38ms 9 Jan 2026 839th jusaka 171 1,195 12ms 6 days ago 840th dokutan 170 392 114ms 29 Dec 2025 841st HumanoidCPU 170 449 120ms 1 Nov 2024 841st dokutan 170 449 117ms 1 Nov 2024 841st KatieLG 🇬🇧 170 449 126ms 1 Nov 2024 841st Shanethegamer 🇺🇸 170 449 116ms 1 Nov 2024 841st MeWhenI 🇻🇦 170 449 125ms 2 Nov 2024 841st CaedenHarper 🇨🇦 170 449 124ms 16 Aug 2025 847th dokutan 170 470 328ms 24 Sep 2025 847th Jacob385 170 470 405ms 27 Oct 2025 847th HumanoidCPU 170 470 522ms 8 Nov 2025 850th jusaka 170 488 1,877ms 6 days ago 851st jusaka 169 724 6ms 6 days ago 852nd Shanethegamer 🇺🇸 168 471 467ms 1 Nov 2024 853rd KatieLG 🇬🇧 168 472 42ms 1 Nov 2024 854th MeWhenI 🇻🇦 167 472 486ms 2 Nov 2024 854th CaedenHarper 🇨🇦 167 472 448ms 24 Jan 2025 856th HumanoidCPU 167 473 464ms 1 Nov 2024 857th jusaka 167 479 491ms 6 days ago 858th HumanoidCPU 166 441 3ms 1 Nov 2024 858th dokutan 166 441 3ms 1 Nov 2024 858th KatieLG 🇬🇧 166 441 3ms 1 Nov 2024 858th Shanethegamer 🇺🇸 166 441 3ms 1 Nov 2024 858th MeWhenI 🇻🇦 166 441 3ms 2 Nov 2024 858th CaedenHarper 🇨🇦 166 441 3ms 31 Jan 2025 858th KatieLG-Transpiler 🇬🇧 166 441 3ms 9 Jan 2026 865th flekAI 166 458 118ms 3 days ago 866th dokutan 165 445 2,052ms 1 Nov 2024 866th MeWhenI 🇻🇦 165 445 2,219ms 2 Nov 2024 866th CaedenHarper 🇨🇦 165 445 2,287ms 1 Feb 2025 869th HumanoidCPU 165 458 402ms 1 Nov 2024 869th Shanethegamer 🇺🇸 165 458 391ms 1 Nov 2024 869th dokutan 165 458 399ms 1 Nov 2024 869th mwarvik 🇳🇴 165 458 381ms 5 Jan 2026 873rd jusaka 165 459 399ms 6 days ago 874th jusaka 164 520 56ms 6 days ago 875th HumanoidCPU 163 452 2,165ms 1 Nov 2024 875th Shanethegamer 🇺🇸 163 452 2,145ms 1 Nov 2024 877th jusaka 163 485 227ms 6 days ago 878th jusaka 162 453 2,611ms 6 days ago 879th HumanoidCPU 161 657 30ms 4 Nov 2025 880th HumanoidCPU 160 455 2ms 1 Nov 2024 First Prev 801–880 of 1,234 Next Last