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Happy Numbers in Rust 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 1st Lydxn 🇨🇦 1,000 67 126ms 13 Jan 2022 1st JayXon 🇺🇸 1,000 67 130ms 14 Jan 2022 1st kumavale 1,000 67 132ms 18 days ago 1st Steffan153 🇫🇮 1,000 67 132ms 12 days ago 5th andersk 🇺🇸 985 68 126ms 22 Oct 2022 6th primo-ppcg 🇹🇭 971 69 128ms 14 Jan 2022 7th stefangimmillaro 882 76 117ms 4 Oct 2023 8th elgan65536 🇺🇸 788 85 125ms 22 Sep 2023 9th prplz 🇦🇺 779 86 122ms 30 Apr 2022 9th pardouin 🇫🇷 779 86 123ms 24 Aug 2024 11th lynn 770 87 129ms 7 Jul 2024 11th emgordon154 770 87 126ms 18 Feb 2025 11th edsrzf 🇳🇿 770 87 128ms 4 Mar 2025 11th DialFrost 🇸🇬 770 87 126ms 4 Apr 2025 11th acotis 770 87 129ms 15 Apr 2025 11th ovs-code 🇩🇪 770 87 127ms 20 Apr 2025 11th sean-niemann 🇺🇸 770 87 128ms 6 Jun 2025 11th vang1ong7ang 770 87 168ms 20 hours ago 19th jared-hughes 761 88 124ms 10 Nov 2022 19th kgodara 761 88 131ms 11 Mar 2023 19th snoozingnewt 🇨🇦 761 88 122ms 29 Nov 2025 22nd JunkIce 744 90 136ms 23 Feb 2025 22nd dokutan 744 90 128ms 23 Jul 2025 24th btjones0 609 110 131ms 29 Dec 2020 25th GrayJoKing 🇦🇺 604 111 123ms 24 Mar 2021 26th The3gs 583 115 136ms 29 Nov 2024 26th Natanaelel 🇸🇪 583 115 137ms 23 Jul 2025 28th timvermeulen 578 116 127ms 6 Jan 2020 29th mousetail 🇳🇱 568 118 138ms 15 Jan 2024 30th Shanethegamer 🇺🇸 563 119 124ms 13 Jan 2022 30th MeWhenI 🇻🇦 563 119 127ms 9 May 2023 30th Yewzir 🇧🇪 563 119 125ms 14 Jan 2024 33rd Mabeloid 🇳🇴 554 121 139ms 31 Oct 2025 33rd CaedenHarper 🇨🇦 554 121 128ms 1 Dec 2025 35th gbxdl 549 122 134ms 14 Jun 2022 36th Re-Adventures 🇮🇳 545 123 127ms 27 Aug 2022 37th madex 🇩🇪 536 125 131ms 21 days ago 38th ian-h-chamberlain 🇺🇸 532 126 133ms 4 Dec 2025 39th jiaminglimjm 🇲🇾 528 127 113ms 3 Jan 2021 39th scpchicken 🇵🇼 528 127 115ms 17 May 2022 39th klixel 🇨🇦 528 127 111ms 5 Dec 2022 39th retrohun 528 127 115ms 27 Dec 2022 39th HumanoidCPU 528 127 117ms 3 May 2024 44th levinwinter 523 128 117ms 22 Nov 2025 45th msbranicky 519 129 110ms 9 Sep 2023 45th webmiche 519 129 116ms 3 Nov 2025 47th minno726 511 131 118ms 4 Jan 2020 48th jaxmattfair 🇺🇸 504 133 133ms 4 Jun 2025 48th Laellekoenig 504 133 137ms 3 Nov 2025 50th pogwolfe 500 134 132ms 4 Jun 2025 51st JGDoerrer 482 139 130ms 5 Feb 2022 52nd Aloso 465 144 131ms 4 Jan 2020 52nd Pale-Vessel 465 144 133ms 23 Sep 2025 54th KatieLG 🇬🇧 447 150 174ms 30 Nov 2025 55th wiebecommajonas 424 158 135ms 30 Nov 2022 56th mokymok 🇺🇸 419 160 116ms 8 Nov 2021 56th zt14427 419 160 116ms 4 Mar 2023 58th KatieLG-Transpiler 🇬🇧 416 161 113ms 24 Jun 2022 59th snakehand 305 220 166ms 4 Jan 2020 60th Eugen-str 257 261 168ms 31 Oct 2023 61st fantaize 231 290 136ms 10 Mar 2026 62nd anna099 225 298 189ms 15 Aug 2021 63rd antonymerle 211 317 141ms 19 May 2020 64th dijs 159 422 132ms 24 Jun 2021 65th neeldug 119 561 133ms 29 Jul 2020 1–65 of 65
