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 878th MeWhenI 🇻🇦 152 448 138ms 2 Nov 2024 878th CaedenHarper 🇨🇦 152 448 134ms 16 Aug 2025 883rd HumanoidCPU 152 452 10ms 1 Nov 2024 883rd GolfingSuccess 🇬🇷 152 452 9ms 1 Nov 2024 883rd zbreit 🇺🇸 152 452 11ms 1 Nov 2024 883rd Shanethegamer 🇺🇸 152 452 9ms 1 Nov 2024 883rd madex 🇩🇪 152 452 10ms 1 Nov 2024 883rd jtaxen 152 452 11ms 1 Nov 2024 883rd Stockoh 🇫🇷 152 452 9ms 4 Nov 2024 883rd evan18c 152 452 10ms 7 Nov 2024 883rd roguh 🇬🇹 152 452 11ms 27 Nov 2024 883rd mathisfun271 152 452 11ms 25 Jan 2025 883rd moustave 152 452 10ms 9 Apr 2025 883rd SectorCorruptor 152 452 10ms 24 Jul 2025 883rd vgamula 🇺🇦 152 452 9ms 25 Jul 2025 883rd Unknownuserfrommars 152 452 9ms 5 Aug 2025 883rd JOrE20 152 452 10ms 6 Nov 2025 883rd TheSecondComing123 152 452 10ms 25 Feb 2026 899th HumanoidCPU 150 448 1ms 1 Nov 2024 899th Shanethegamer 🇺🇸 150 448 1ms 1 Nov 2024 899th koipondx86 150 448 1ms 1 Nov 2024 899th MeWhenI 🇻🇦 150 448 1ms 2 Nov 2024 899th CaedenHarper 🇨🇦 150 448 1ms 16 Aug 2025 904th KasperKivimaeki 🇫🇮 150 457 10ms 15 Jul 2025 905th muser-logiccpu 🇺🇦 150 458 10ms 9 Aug 2025 905th netfri25 🇮🇱 150 458 12ms 21 Feb 2026 905th rotemkm 150 458 10ms 21 Feb 2026 908th ocefra 149 393 128ms 25 Dec 2024 909th jusaka 149 452 2ms 2 days ago 910th jusaka 149 469 114ms 2 days ago 911th KatieLG-Transpiler 🇬🇧 149 538 419ms 9 Jan 2026 912th Unknownuserfrommars 149 557 3,423ms 10 Dec 2024 913th Shanethegamer 🇺🇸 148 450 815ms 16 Apr 2025 913th KatieLG 🇬🇧 148 450 1,034ms 20 Apr 2025 913th dokutan 148 450 855ms 23 Jul 2025 913th HumanoidCPU 148 450 799ms 18 Aug 2025 913th MeWhenI 🇻🇦 148 450 885ms 15 Sep 2025 918th HumanoidCPU 148 456 1ms 1 Nov 2024 918th dokutan 148 456 1ms 1 Nov 2024 918th Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 918th CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 918th Maashau 148 456 2ms 12 Dec 2025 923rd jusaka 148 461 173ms 2 days ago 924th jusaka 148 514 54ms 2 days ago 925th KatieLG 🇬🇧 148 563 1,424ms 1 Nov 2024 926th jusaka 147 451 995ms 2 days ago 927th KatieLG 🇬🇧 147 538 473ms 1 Nov 2024 928th KatieLG 🇬🇧 146 466 157ms 30 Nov 2025 929th KatieLG-Transpiler 🇬🇧 146 522 374ms 9 Jan 2026 930th JunkIce 145 449 589ms 3 Dec 2024 931st Maznek 144 364 9ms 8 Nov 2024 931st elisherer 🇮🇱 144 364 10ms 3 Nov 2025 933rd HumanoidCPU 144 452 380ms 1 Nov 2024 933rd Shanethegamer 🇺🇸 144 452 368ms 1 Nov 2024 933rd JOrE20 144 452 414ms 2 Feb 2026 936th HumanoidCPU 144 461 110ms 1 Nov 2024 936th KatieLG 🇬🇧 144 461 109ms 1 Nov 2024 936th Shanethegamer 🇺🇸 144 461 116ms 1 Nov 2024 936th MeWhenI 🇻🇦 144 461 117ms 2 Nov 2024 936th CaedenHarper 🇨🇦 144 461 122ms 24 Jan 2025 941st jusaka 143 510 5ms 2 days ago 942nd KatieLG-Transpiler 🇬🇧 143 528 379ms 9 Jan 2026 943rd HumanoidCPU 141 446 72ms 1 Nov 2024 943rd Shanethegamer 🇺🇸 141 446 72ms 1 Nov 2024 943rd MeWhenI 🇻🇦 141 446 75ms 2 Nov 2024 943rd snoozingnewt 🇨🇦 141 446 73ms 3 Nov 2024 943rd CaedenHarper 🇨🇦 141 446 73ms 16 Aug 2025 948th jusaka 141 461 504ms 2 days ago 949th jusaka 140 450 80ms 2 days ago 950th dokutan 140 452 81ms 1 Nov 2024 951st KatieLG-Transpiler 🇬🇧 140 564 147ms 9 Jan 2026 952nd KatieLG 🇬🇧 139 505 668ms 30 Nov 2025 953rd HumanoidCPU 138 575 41ms 9 Mar 2025 954th emgordon154 138 602 2,180ms 12 Dec 2024 955th jusaka 137 486 200ms 2 days ago 956th KatieLG 🇬🇧 136 465 73ms 30 Nov 2025 957th Kokusui 🇯🇵 135 434 5ms 19 Nov 2024 958th dokutan 133 591 38ms 1 Nov 2024 959th Shanethegamer 🇺🇸 132 443 5ms 8 May 2025 960th KatieLG-Transpiler 🇬🇧 132 505 113ms 9 Jan 2026 First Prev 881–960 of 1,191 Next Last