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 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 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 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 639th Shanethegamer 🇺🇸 790 73 140ms 15 Jul 2021 639th yzhs 🇩🇪 790 73 140ms 24 Jul 2021 639th MeWhenI 🇻🇦 790 73 139ms 15 Sep 2021 639th sisyphus-ppcg 🇦🇺 790 73 140ms 16 Mar 2022 639th DaCuteRaccoon 790 73 136ms 30 Nov 2022 639th DialFrost 🇸🇬 790 73 142ms 28 Jan 2023 639th pardouin 🇫🇷 790 73 147ms 21 Sep 2024 639th LostSyntax21 🇬🇧 790 73 152ms 8 Jan 2025 639th snoozingnewt 🇨🇦 790 73 148ms 5 Dec 2025 650th Yewzir 🇧🇪 788 69 117ms 6 Dec 2023 651st clockworknazo 788 82 5ms 13 Oct 2022 651st ovs-code 🇩🇪 788 82 5ms 7 Feb 2023 653rd MeWhenI 🇻🇦 788 93 2ms 18 May 2022 654th GrayJoKing 🇦🇺 787 67 6ms 31 Jan 2025 655th sisyphus-ppcg 🇦🇺 787 108 332ms 16 Mar 2022 656th lifthrasiir 🇰🇷 786 28 3ms 29 Nov 2024 657th stevelamm 785 60 10ms 5 Oct 2018 657th tjtnorton 785 60 10ms 29 Nov 2018 657th giacomogallina 785 60 11ms 14 Jun 2019 657th cellobix 785 60 10ms 14 Aug 2019 657th mizuzimu 785 60 11ms 4 Feb 2020 657th ArmaanAS 785 60 10ms 8 Mar 2021 657th RDShah 785 60 10ms 26 Nov 2021 657th QuincyNash 🇺🇸 785 60 10ms 30 Nov 2022 657th msbranicky 785 60 13ms 25 Jul 2023 657th Hebelub 785 60 10ms 5 Jan 2024 657th wh3n3v3r 🇨🇿 785 60 9ms 16 Nov 2024 657th JunkIce 785 60 11ms 23 Feb 2025 657th ffelixm 785 60 10ms 12 Jun 2025 657th RaBa21 🇭🇺 785 60 9ms 10 Jul 2025 657th dcc5480 785 60 10ms 9 days ago 672nd inventshah 785 88 55ms 27 Jan 2023 673rd dmrichwa 🇺🇸 784 63 10ms 28 Jan 2023 673rd targrik 784 63 11ms 19 Feb 2025 675th HumanoidCPU 784 115 2ms 1 Jan 2026 675th KatieLG 🇬🇧 784 115 2ms 21 Feb 2026 677th hemphen 783 69 455ms 28 Aug 2022 678th primo-ppcg 🇹🇭 782 87 25ms 13 Jul 2021 679th jslip 781 35 33ms 5 Sep 2018 679th rak1507 🇬🇧 781 35 34ms 20 Sep 2021 681st primo-ppcg 🇹🇭 780 54 1,396ms 11 May 2020 682nd bforte 780 74 131ms 9 Dec 2018 682nd annaproxy 780 74 130ms 12 Jan 2022 682nd rak1507 🇬🇧 780 74 140ms 23 Feb 2022 682nd Natanaelel 🇸🇪 780 74 143ms 31 May 2025 686th GrayJoKing 🇦🇺 778 56 451ms 23 Jul 2024 686th snoozingnewt 🇨🇦 778 56 451ms 28 Nov 2025 686th BREMAUCY 🇫🇷 778 56 452ms 6 Dec 2025 689th bluebear94 776 40 183ms 12 Feb 2018 689th sisyphus-ppcg 🇦🇺 776 40 155ms 31 Jan 2023 691st msrawson 773 61 10ms 31 Aug 2018 692nd m-tkach 🇺🇦 773 110 341ms 5 Dec 2023 693rd prplz 🇦🇺 769 75 145ms 12 Oct 2021 693rd YAJUE114514 769 75 139ms 30 Jul 2025 695th snoozingnewt 🇨🇦 769 84 3ms 9 Dec 2025 696th Yewzir 🇧🇪 767 90 58ms 30 Dec 2023 697th ffelixm 766 71 117ms 12 Jun 2025 698th bendiscz 766 111 312ms 20 Apr 2020 699th dokutan 765 86 430ms 13 Mar 2026 700th lynn 764 57 436ms 17 Feb 2024 700th duckyluuk 🇳🇱 764 57 382ms 27 Mar 2024 702nd primo-ppcg 🇹🇭 764 65 2ms 26 Mar 2019 703rd emgordon154 763 30 49ms 10 Sep 2025 704th CheeryProgrammer 761 71 401ms 21 Nov 2021 704th fuzzylojik-golf 🇺🇸 761 71 441ms 7 Sep 2025 706th janlelis 760 50 1,452ms 21 Apr 2021 707th Waffle3z 760 62 9ms 27 Feb 2021 707th annaproxy 760 62 10ms 11 Dec 2021 707th KatieLG 🇬🇧 760 62 16ms 11 Dec 2022 707th quimey 760 62 11ms 21 Mar 2023 707th 5cw 🇺🇸 760 62 10ms 6 Jul 2024 707th bzijlema 🇳🇱 760 62 10ms 6 May 2025 707th 4atj 760 62 10ms 30 Jun 2025 707th DrakeSeteraO 760 62 10ms 25 Oct 2025 707th HPWiz 🇳🇿 760 62 11ms 26 Nov 2025 707th bizy-coder 760 62 11ms 5 Dec 2025 707th aksyristos 760 62 10ms 27 days ago 707th vang1ong7ang 760 62 10ms 17 days ago 719th Unremarkable 760 65 10ms 28 Sep 2018 719th j55d 760 65 9ms 29 Sep 2018 First Prev 641–720 of 3,313 Next Last