Kaprekar Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 F# Factor Forth Fortran Gleam Go GolfScript 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 375th KatieLG 🇬🇧 464 445 1 Nov 2024 375th Shanethegamer 🇺🇸 464 445 1 Nov 2024 375th MeWhenI 🇻🇦 464 445 2 Nov 2024 375th JunkIce 464 445 24 Jan 2025 380th dokutan 462 439 1 Nov 2024 381st two-bad 🇬🇧 458 118 3 Nov 2024 382nd CaedenHarper 🇨🇦 458 141 2 Jan 2025 383rd peeveen 🇬🇧 458 160 18 Nov 2024 384th Natanaelel 🇸🇪 453 224 10 days ago 385th c0d3-4-F00d 🇩🇪 451 151 9 Jan 2025 386th retrohun 449 152 3 Nov 2024 387th scpchicken 🇵🇼 445 153 17 Feb 2025 388th olleicua 🇺🇸 443 1,305 2 Nov 2024 389th albanian-laundromat 438 144 3 hours ago 390th Natanaelel 🇸🇪 437 126 20 Jan 2025 391st ZakkkkAttackkkk 🇵🇭 437 156 2 Dec 2024 392nd IISResetMe 437 319 15 Nov 2024 393rd albanian-laundromat 436 174 4 hours ago 394th Stockoh 🇫🇷 433 1,335 2 Mar 2025 395th gnlow 🇰🇷 432 125 11 Feb 2025 396th dokutan 426 601 1 Nov 2024 397th MeWhenI 🇻🇦 425 1,361 2 Nov 2024 397th rucin93 🇵🇱 425 1,361 10 Nov 2024 397th CaedenHarper 🇨🇦 425 1,361 23 Jan 2025 400th SirBogman 🇺🇸 424 161 7 Nov 2024 400th emgordon154 424 161 27 Nov 2024 402nd CatsAreFluffy 423 119 15 Dec 2024 403rd rucin93 🇵🇱 418 163 17 Nov 2024 403rd guilhem-roy 🇫🇷 418 163 29 May 2025 405th nstearns96 🇬🇧 416 164 1 Nov 2024 406th DialFrost 🇸🇬 416 211 13 Nov 2024 407th CatsAreFluffy 413 165 15 Dec 2024 408th aksyristos 412 165 1 Nov 2024 409th KatieLG 🇬🇧 412 397 10 Nov 2024 410th duckyluuk 🇳🇱 406 168 6 Nov 2024 410th StefanHabel 🇨🇦 406 168 17 Mar 2025 412th emgordon154 402 407 1 Nov 2024 413th croc54 401 170 9 Jan 2025 414th commandblockguy 🇺🇸 399 171 1 Jun 2025 415th frankgraziano 399 405 19 Feb 2025 416th scpchicken 🇵🇼 392 174 17 Feb 2025 417th acollett89 386 140 15 days ago 418th Shanethegamer 🇺🇸 385 512 6 Dec 2024 418th CaedenHarper 🇨🇦 385 512 25 Jan 2025 420th ravnskjaer 🇩🇰 384 295 22 Dec 2024 421st MeWhenI 🇻🇦 384 514 2 Nov 2024 422nd emgordon154 377 171 9 May 2025 423rd emgordon154 369 255 10 Jan 2025 424th HumanoidCPU 366 447 1 Nov 2024 424th dokutan 366 447 1 Nov 2024 424th Shanethegamer 🇺🇸 366 447 1 Nov 2024 424th MeWhenI 🇻🇦 366 447 2 Nov 2024 428th Ripick 363 223 1 Nov 2024 429th HumanoidCPU 362 446 1 Nov 2024 429th dokutan 362 446 1 Nov 2024 429th Shanethegamer 🇺🇸 362 446 1 Nov 2024 429th KatieLG 🇬🇧 362 446 1 Nov 2024 429th MeWhenI 🇻🇦 362 446 2 Nov 2024 429th CaedenHarper 🇨🇦 362 446 22 Jan 2025 435th inventshah 359 190 4 Nov 2024 436th mrxz 🇳🇱 358 151 21 Nov 2024 437th emgordon154 354 205 13 Apr 2025 438th Waffle3z 352 189 24 Nov 2024 439th kichiandk 349 287 13 Nov 2024 440th msbranicky 348 218 1 Nov 2024 441st duckyluuk 🇳🇱 345 187 6 Nov 2024 442nd Lv0Sys 🇵🇱 338 155 16 days ago 443rd tatzyr 🇯🇵 330 167 29 Dec 2024 444th msbranicky 330 194 1 Nov 2024 445th wh3n3v3r 🇨🇿 326 209 18 Nov 2024 446th jameswmccarty 325 210 2 Nov 2024 446th snoozingnewt 🇺🇸 325 210 8 Jan 2025 448th madeforlosers 323 1,787 8 Nov 2024 449th dokutan 317 439 1 Nov 2024 449th HumanoidCPU 317 439 1 Nov 2024 Prev 376–450 of 823 Next