The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Happy Numbers (Long) 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 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Chars Time Submitted 201st jared-hughes 907 130 325ms 27 Feb 2024 201st KasperKivimaeki 🇫🇮 907 130 337ms 4 Oct 2025 203rd JayXon 🇺🇸 906 80 2ms 19 Nov 2025 203rd GolfingSuccess 🇬🇷 906 80 2ms 11 days ago 205th Lydxn 🇨🇦 906 84 125ms 2 Oct 2021 205th JayXon 🇺🇸 906 84 125ms 2 Oct 2021 207th vang1ong7ang 906 110 193ms 16 hours ago 208th annaproxy 905 75 149ms 12 Jan 2022 208th rak1507 🇬🇧 905 75 149ms 23 Feb 2022 208th alomiF 905 75 148ms 5 Oct 2023 208th Natanaelel 🇸🇪 905 75 143ms 8 May 2025 212th Lydxn 🇨🇦 905 79 4ms 13 May 2023 212th primo-ppcg 🇹🇭 905 79 13ms 20 May 2023 212th kg583 🇺🇸 905 79 14ms 29 Mar 2026 215th JayXon 🇺🇸 905 91 460ms 6 Mar 2022 215th Lydxn 🇨🇦 905 91 442ms 9 Apr 2023 215th sean-niemann 🇺🇸 905 91 438ms 16 May 2024 215th Steffan153 🇫🇮 905 91 470ms 21 Jul 2024 219th emgordon154 904 62 574ms 16 Apr 2025 220th JayXon 🇺🇸 904 78 2,529ms 5 Dec 2024 221st kg583 🇺🇸 904 84 16ms 28 Oct 2025 221st DialFrost 🇸🇬 904 84 40ms 5 Jan 2026 221st Steffan153 🇫🇮 904 84 21ms 13 Mar 2026 224th Lydxn 🇨🇦 904 88 120ms 9 Apr 2023 224th JayXon 🇺🇸 904 88 108ms 9 Apr 2023 224th Steffan153 🇫🇮 904 88 114ms 9 Apr 2023 224th sean-niemann 🇺🇸 904 88 111ms 25 May 2025 228th btnlq 903 58 14ms 15 Aug 2024 228th Shanethegamer 🇺🇸 903 58 14ms 15 Aug 2024 228th GrayJoKing 🇦🇺 903 58 14ms 16 Aug 2024 228th DialFrost 🇸🇬 903 58 14ms 17 Aug 2024 228th sean-niemann 🇺🇸 903 58 13ms 13 Jan 2025 228th emgordon154 903 58 13ms 6 Jun 2025 234th sean-niemann 🇺🇸 903 67 832ms 16 Sep 2025 234th DialFrost 🇸🇬 903 67 764ms 12 Nov 2025 234th Steffan153 🇫🇮 903 67 833ms 14 Feb 2026 234th edsrzf 🇳🇿 903 67 1,201ms 7 Mar 2026 238th btnlq 903 84 20ms 9 Dec 2021 238th GrayJoKing 🇦🇺 903 84 36ms 9 Dec 2021 240th nwellnhof 🇩🇪 903 103 467ms 25 Sep 2025 241st GrayJoKing 🇦🇺 901 97 40ms 23 Oct 2023 242nd msbranicky 900 131 325ms 1 Jul 2024 243rd anter69 🇭🇺 899 55 1,438ms 10 Mar 2025 244th itsjustfreekie 899 66 325ms 20 Sep 2021 244th ZakkkkAttackkkk 🇵🇭 899 66 130ms 21 Dec 2021 244th btjones0 899 66 367ms 15 Jul 2022 244th SirBogman 🇺🇸 899 66 241ms 20 Nov 2022 244th Shanethegamer 🇺🇸 899 66 309ms 16 Dec 2022 244th adamnielson42 🇺🇸 899 66 359ms 25 Apr 2023 244th snoozingnewt 🇨🇦 899 66 308ms 3 Oct 2023 244th DialFrost 🇸🇬 899 66 231ms 18 Dec 2023 244th Just4FunCoder 899 66 317ms 17 Feb 2024 244th lifthrasiir 🇰🇷 899 66 14ms 16 Nov 2024 244th Babafaba 899 66 309ms 3 Nov 2025 244th Flekay 🇩🇪 899 66 276ms 15 Feb 2026 244th dokutan 899 66 276ms 14 Mar 2026 244th jusaka 899 66 269ms 25 days ago 258th primo-ppcg 🇹🇭 899 85 39ms 22 Sep 2021 258th cure-honey 🇯🇵 899 85 39ms 27 Sep 2021 258th marshallward 🇺🇸 899 85 41ms 2 Sep 2022 261st JayXon 🇺🇸 899 95 128ms 27 Sep 2021 261st Lydxn 🇨🇦 899 95 128ms 16 May 2023 263rd edsrzf 🇳🇿 899 109 32ms 19 days ago 264th JayXon 🇺🇸 898 84 140ms 22 Sep 2021 265th MeWhenI 🇻🇦 897 66 11ms 19 Sep 2021 265th sisyphus-ppcg 🇦🇺 897 66 12ms 20 Sep 2021 265th Irratix 🇳🇱 897 66 11ms 15 Dec 2021 265th DialFrost 🇸🇬 897 66 12ms 28 Jan 2023 265th Argeento 🇵🇱 897 66 11ms 26 Aug 2023 265th Lv0Sys 🇵🇱 897 66 12ms 28 Feb 2026 271st GrayJoKing 🇦🇺 897 90 537ms 10 Sep 2022 272nd GrayJoKing 🇦🇺 896 74 3,438ms 16 Jun 2022 272nd GrayJoKing 🇦🇺 896 74 17ms 1 Nov 2023 272nd JayXon 🇺🇸 896 74 2,788ms 19 Jul 2025 272nd Steffan153 🇫🇮 896 74 19ms 11 days ago 276th typeswitch-dev 🇵🇹 896 94 4ms 2 Aug 2023 277th btnlq 895 59 3ms 5 Nov 2022 278th sean-niemann 🇺🇸 895 81 2ms 19 Nov 2025 278th Steffan153 🇫🇮 895 81 2ms 13 Feb 2026 280th dvargas46 🇺🇸 894 56 294ms 15 Nov 2022 281st GrayJoKing 🇦🇺 894 80 13ms 13 Aug 2023 281st btnlq 894 80 13ms 22 Oct 2023 281st Steffan153 🇫🇮 894 80 13ms 20 Feb 2026 284th DialFrost 🇸🇬 894 104 828ms 16 Nov 2025 285th prplz 🇦🇺 893 76 165ms 27 Sep 2021 285th YAJUE114514 893 76 153ms 30 Jul 2025 287th JayXon 🇺🇸 893 77 22ms 26 Nov 2021 287th ovs-code 🇩🇪 893 77 4ms 4 Nov 2023 289th KasperKivimaeki 🇫🇮 893 106 62ms 12 Dec 2025 290th bastatom 893 132 328ms 27 Feb 2024 290th emgordon154 893 132 340ms 17 Jan 2025 290th error256 893 132 25ms 13 Mar 2026 293rd primo-ppcg 🇹🇭 891 110 499ms 22 Sep 2021 293rd GrayJoKing 🇦🇺 891 110 29ms 13 Jan 2023 295th GrayJoKing 🇦🇺 890 63 650ms 23 Jul 2024 295th GolfingSuccess 🇬🇷 890 63 465ms 25 Jan 2025 297th GrayJoKing 🇦🇺 890 84 28ms 31 Jan 2025 298th SirBogman 🇺🇸 889 86 39ms 2 Nov 2022 299th Lydxn 🇨🇦 887 69 98ms 13 Dec 2022 299th sisyphus-ppcg 🇦🇺 887 69 116ms 16 Dec 2022 First Prev 201–300 of 2,190 Next Last