The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
12 Days of Christmas in Python 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 501st kaylacomer 384 497 9ms 24 Oct 2021 501st MCausc78 🇺🇦 384 497 10ms 5 Jan 2023 501st ZoeyKD 384 497 10ms 14 May 2023 501st xoxo-ily 384 497 11ms 12 Dec 2023 501st aloobun 384 497 10ms 2 Dec 2024 506th SimonPeatman 384 498 9ms 29 Dec 2018 506th Arkaedan 384 498 10ms 27 Jul 2020 506th cesarm4 384 498 11ms 30 Aug 2021 506th n0es 384 498 9ms 6 Oct 2022 506th saoudi-h 384 498 9ms 12 Jan 2023 506th adamnielson42 🇺🇸 384 498 12ms 30 May 2023 506th ArchFin 384 498 10ms 21 Nov 2024 506th GeneralFabian 384 498 31ms 14 Dec 2024 506th energee 384 498 10ms 19 Dec 2024 506th Europe2048 384 498 10ms 17 Sep 2025 506th muratovm 384 498 9ms 10 Dec 2025 517th orifu 383 499 9ms 22 Feb 2021 517th Bombergames 383 499 11ms 21 Jan 2022 517th deerfarce 383 499 10ms 23 Dec 2022 517th bob-th 383 499 11ms 29 Dec 2022 517th DonCharlesLambert 383 499 10ms 15 Feb 2024 517th hiichbindermax 383 499 10ms 3 Sep 2024 517th jasonxue1 383 499 11ms 26 Jul 2025 517th yukii1004 383 499 9ms 25 Sep 2025 525th Psirving 382 500 9ms 20 Jul 2020 525th stephenuniverse 382 500 11ms 23 Aug 2021 525th Giridesh 382 500 10ms 3 Apr 2022 525th Bmrl7 382 500 10ms 19 Mar 2024 525th planeklm 382 500 10ms 17 Dec 2024 525th raymur 382 500 11ms 26 Jun 2025 525th oween12 382 500 10ms 6 Aug 2025 525th estrawitch 382 500 10ms 13 Mar 2026 533rd adoxography 381 501 10ms 30 Mar 2018 533rd sambirnbaum1 381 501 10ms 7 Sep 2019 533rd ArturLukianov 381 501 10ms 27 Dec 2020 533rd suhasdara 381 501 11ms 11 Sep 2022 533rd ceeb9 381 501 10ms 5 May 2023 533rd DrPrettyman 381 501 10ms 31 May 2023 533rd lucaswiman 381 501 10ms 13 Aug 2023 533rd damoose717 381 501 10ms 23 May 2025 533rd bknower 381 501 11ms 25 Jun 2025 542nd djtuBIG-MaliceX 380 502 17ms 30 Jan 2018 542nd The3gs 380 502 14ms 13 Oct 2020 542nd 77Tigers 380 502 9ms 28 Feb 2021 542nd b4dpxl 380 502 10ms 10 Nov 2021 542nd BrenSchaap 380 502 10ms 11 Nov 2021 542nd firegene 🇮🇪 380 502 10ms 16 Dec 2021 542nd thiccaxe 380 502 10ms 2 Oct 2022 542nd EyalLitvin 380 502 11ms 16 Nov 2022 542nd mikehanus 380 502 10ms 21 Nov 2023 551st kypi 380 503 10ms 20 Feb 2020 551st bastienvoirin 🇫🇷 380 503 11ms 28 Nov 2020 551st bbakersmith 380 503 11ms 26 Jul 2021 551st HassanAliKadhem 🇧🇭 380 503 30ms 5 Jan 2022 551st Expurple 380 503 11ms 8 Jan 2022 551st johnellis1392 380 503 10ms 5 Jan 2024 551st ImpressedByRocks 380 503 11ms 13 Mar 2024 551st Benzamp 380 503 10ms 26 Feb 2026 559th ArturLange 379 504 10ms 31 Aug 2018 559th NoliHyd 379 504 10ms 11 Oct 2018 559th badboj40 379 504 11ms 18 Jan 2023 559th unknown25001 379 504 11ms 18 Jul 2024 559th PyryL 🇫🇮 379 504 10ms 12 Aug 2024 559th Marsolo1 379 504 10ms 24 Sep 2024 565th Smoncko 378 505 12ms 1 Feb 2023 565th jrbud 378 505 10ms 30 Dec 2023 565th xiaoyiming123 378 505 10ms 11 Aug 2025 565th OSYCh314 🇦🇺 378 505 10ms 12 Feb 2026 565th wdarling-cohere 378 505 10ms 5 Mar 2026 570th mizuzimu 377 506 9ms 4 Feb 2020 570th AlexanderFair 377 506 10ms 18 Jul 2023 570th yuchuehw 377 506 11ms 4 Jan 2024 570th cykim8811 377 506 11ms 11 Jul 2024 570th 40fied4t 377 506 9ms 15 May 2025 570th Rogacz 377 506 10ms 9 Jun 2025 570th MyckollWinchester 377 506 9ms 10 Dec 2025 577th JBcoding 377 507 20ms 7 Sep 2020 577th Thinthiner 377 507 17ms 7 Sep 2020 577th bsoyka 🇺🇸 377 507 11ms 30 Dec 2022 577th ozzypossie 377 507 10ms 26 May 2023 577th qwertzuioppel 377 507 10ms 4 Mar 2024 577th gyanesh-maurya 377 507 11ms 28 Dec 2025 583rd TrAyZeN 376 508 9ms 18 Aug 2019 583rd befoster 376 508 12ms 10 Apr 2021 583rd pranavcode 376 508 31ms 26 Apr 2021 583rd Cloakless 🇬🇧 376 508 17ms 18 Oct 2021 583rd tejapvk 376 508 10ms 18 Jun 2025 583rd wboka 376 508 11ms 25 Dec 2025 589th walterfeyman 375 509 10ms 30 Oct 2021 589th rollershutter 375 509 11ms 30 Nov 2021 589th gamer0kayf1n3 375 509 10ms 3 Jun 2022 589th RoscoeSmith 375 509 10ms 8 Sep 2022 589th lamorach 375 509 10ms 26 Mar 2024 589th lch823 375 509 10ms 17 Dec 2025 595th adesanjo 375 510 11ms 16 Jun 2018 595th hoodadam 375 510 10ms 10 Jun 2019 595th amishtal 375 510 10ms 27 Nov 2019 595th cbondurant 375 510 10ms 27 Jul 2020 595th PhysicDev 🇫🇷 375 510 9ms 17 Mar 2022 595th galloj 🇨🇿 375 510 11ms 26 Aug 2022 First Prev 501–600 of 1,182 Next Last