Happy Numbers 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 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 Chars Time Submitted 641st lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 642nd GrayJoKing 🇦🇺 786 67 5ms 31 Jan 2025 643rd sisyphus-ppcg 🇦🇺 786 108 282ms 16 Mar 2022 644th stevelamm 785 60 10ms 5 Oct 2018 644th tjtnorton 785 60 9ms 29 Nov 2018 644th giacomogallina 785 60 9ms 14 Jun 2019 644th cellobix 785 60 10ms 14 Aug 2019 644th mizuzimu 785 60 10ms 4 Feb 2020 644th ArmaanAS 785 60 10ms 8 Mar 2021 644th RDShah 785 60 9ms 26 Nov 2021 644th QuincyNash 🇺🇸 785 60 9ms 30 Nov 2022 644th msbranicky 785 60 10ms 25 Jul 2023 644th Hebelub 785 60 9ms 5 Jan 2024 644th wh3n3v3r 🇨🇿 785 60 10ms 16 Nov 2024 644th JunkIce 785 60 10ms 23 Feb 2025 644th ffelixm 785 60 10ms 12 Jun 2025 644th RaBa21 🇭🇺 785 60 10ms 10 Jul 2025 658th Shanethegamer 🇺🇸 785 114 2ms 7 Feb 2026 658th SuperFola 785 114 3ms 19 Feb 2026 660th dmrichwa 🇺🇸 784 63 11ms 28 Jan 2023 660th targrik 784 63 9ms 19 Feb 2025 662nd inventshah 784 88 57ms 27 Jan 2023 663rd hemphen 783 69 443ms 28 Aug 2022 664th jslip 781 35 33ms 5 Sep 2018 664th rak1507 🇬🇧 781 35 34ms 20 Sep 2021 666th primo-ppcg 🇹🇭 781 87 25ms 13 Jul 2021 667th bforte 780 74 131ms 9 Dec 2018 667th annaproxy 780 74 130ms 12 Jan 2022 667th rak1507 🇬🇧 780 74 140ms 23 Feb 2022 667th Natanaelel 🇸🇪 780 74 143ms 31 May 2025 671st primo-ppcg 🇹🇭 779 54 1,218ms 11 May 2020 672nd snoozingnewt 🇨🇦 779 84 3ms 9 Dec 2025 673rd HumanoidCPU 778 115 3ms 1 Jan 2026 673rd KatieLG 🇬🇧 778 115 3ms 26 days ago 675th GrayJoKing 🇦🇺 777 56 443ms 23 Jul 2024 675th snoozingnewt 🇨🇦 777 56 383ms 28 Nov 2025 675th BREMAUCY 🇫🇷 777 56 375ms 6 Dec 2025 678th bluebear94 776 40 173ms 12 Feb 2018 678th sisyphus-ppcg 🇦🇺 776 40 155ms 31 Jan 2023 680th Lydxn 🇨🇦 776 65 1ms 11 Oct 2023 681st msrawson 773 61 9ms 31 Aug 2018 682nd m-tkach 🇺🇦 772 110 280ms 5 Dec 2023 683rd prplz 🇦🇺 769 75 145ms 12 Oct 2021 683rd YAJUE114514 769 75 139ms 30 Jul 2025 685th HumanoidCPU 769 85 3ms 20 Nov 2025 685th dokutan 769 85 3ms 15 Feb 2026 687th Yewzir 🇧🇪 767 90 58ms 30 Dec 2023 688th ffelixm 765 71 111ms 12 Jun 2025 689th dokutan 765 86 384ms 6 days ago 690th bendiscz 765 111 291ms 20 Apr 2020 691st lynn 764 57 377ms 17 Feb 2024 691st duckyluuk 🇳🇱 764 57 385ms 27 Mar 2024 693rd emgordon154 763 30 43ms 10 Sep 2025 694th primo-ppcg 🇹🇭 763 65 2ms 26 Mar 2019 695th CheeryProgrammer 761 71 411ms 21 Nov 2021 695th fuzzylojik-golf 🇺🇸 761 71 373ms 7 Sep 2025 697th janlelis 760 50 1,242ms 21 Apr 2021 698th Waffle3z 760 62 9ms 27 Feb 2021 698th annaproxy 760 62 10ms 11 Dec 2021 698th KatieLG 🇬🇧 760 62 16ms 11 Dec 2022 698th quimey 760 62 9ms 21 Mar 2023 698th 5cw 🇺🇸 760 62 9ms 6 Jul 2024 698th bzijlema 🇳🇱 760 62 9ms 6 May 2025 698th 4atj 760 62 10ms 30 Jun 2025 698th DrakeSeteraO 760 62 9ms 25 Oct 2025 698th HPWiz 🇳🇿 760 62 10ms 26 Nov 2025 698th bizy-coder 760 62 10ms 5 Dec 2025 708th Unremarkable 760 65 9ms 28 Sep 2018 708th j55d 760 65 8ms 29 Sep 2018 708th ToriTheChicken 760 65 8ms 24 Jul 2020 708th thisishowmymindworks 🇳🇴 760 65 8ms 24 Jul 2020 708th Irratix 🇳🇱 760 65 32ms 27 Jul 2020 708th ehouais 760 65 9ms 24 Aug 2020 708th cywong-amino 🇭🇰 760 65 9ms 30 Sep 2020 708th sisyphus-ppcg 🇦🇺 760 65 9ms 27 Jan 2021 708th MeWhenI 🇻🇦 760 65 9ms 15 Sep 2021 708th shawphy 760 65 8ms 14 Oct 2021 708th DialFrost 🇸🇬 760 65 10ms 28 Jan 2023 708th tayloia 🇬🇧 760 65 9ms 11 May 2023 708th janbehrens 🇩🇪 760 65 9ms 26 Nov 2023 First Prev 641–720 of 3,193 Next Last