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Happy Numbers in all languages in bytes. 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 826th snoozingnewt 🇺🇸 840 80 2ms 43 hours ago 827th HumanEquivalentUnit 839 59 307ms 10 Oct 2020 828th Laar 839 81 177ms 1 Apr 2019 828th alomiF 839 81 171ms 5 Oct 2023 828th brimstonetrader 839 81 134ms 26 Jan 2024 831st annaproxy 839 85 2ms 18 May 2023 832nd MeWhenI 🇻🇦 839 92 450ms 10 Oct 2022 833rd AdrienHache 🇫🇷 839 103 49ms 7 Jan 2024 834th Yewzir 🇧🇪 838 79 3ms 22 Dec 2023 834th albanian-laundromat 838 79 2ms 24 Jun 2025 836th edsrzf 🇳🇿 838 97 123ms 4 Mar 2025 837th SirFireball3521 836 45 145ms 22 Mar 2023 838th GrayJoKing 🇦🇺 836 80 98ms 15 Jul 2023 839th Shanethegamer 🇺🇸 833 30 3ms 13 Jan 2022 840th PatrickStephansen 🇿🇦 833 72 12ms 3 Nov 2020 840th KatieLG 🇬🇧 833 72 11ms 16 Apr 2021 840th neihousaigaai 833 72 10ms 18 Apr 2021 840th two-bad 🇬🇧 833 72 10ms 25 Feb 2024 844th mogron 832 73 9ms 13 Dec 2019 844th FlorianCassayre 🇫🇷 832 73 12ms 30 Oct 2022 844th StefanHabel 🇨🇦 832 73 10ms 11 Dec 2022 844th DrakeSeteraO 832 73 9ms 25 Oct 2025 848th duckyluuk 🇳🇱 831 73 5ms 16 Dec 2024 849th acacopardo 831 76 13ms 14 Nov 2017 849th MeWhenI 🇻🇦 831 76 13ms 15 Sep 2021 849th DaCuteRaccoon 831 76 13ms 30 Nov 2022 852nd marshallward 🇺🇸 831 81 41ms 2 Sep 2022 853rd Lydxn 🇨🇦 831 83 1ms 10 Oct 2023 854th djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 854th Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 856th fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 857th kgodara 830 98 125ms 11 Mar 2023 858th CLOStrophobic 🇮🇹 830 102 41ms 14 Feb 2025 859th GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 859th scpchicken 🇵🇼 829 53 32ms 23 May 2021 859th kurkale6ka 829 53 19ms 16 Jun 2021 859th sean-niemann 🇺🇸 829 53 32ms 7 Sep 2021 859th MeWhenI 🇻🇦 829 53 33ms 15 Sep 2021 859th DaCuteRaccoon 829 53 32ms 30 Nov 2022 859th Steffan153 🇫🇮 829 53 32ms 28 Jan 2023 859th DialFrost 🇸🇬 829 53 33ms 28 Jan 2023 859th snoozingnewt 🇺🇸 829 53 48ms 1 Sep 2024 859th LostSyntax21 🇬🇧 829 53 35ms 8 Jan 2025 859th fuzzylojik-golf 🇺🇸 829 53 19ms 15 Sep 2025 870th primo-ppcg 🇹🇭 829 67 89ms 25 Dec 2020 870th lynn 829 67 126ms 18 May 2021 870th Yewzir 🇧🇪 829 67 98ms 17 Sep 2023 870th sean-niemann 🇺🇸 829 67 95ms 8 Oct 2024 874th jared-hughes 829 82 158ms 11 Sep 2023 875th anter69 🇭🇺 828 57 36ms 3 Aug 2021 875th annaproxy 828 57 55ms 27 Aug 2022 875th BREMAUCY 🇫🇷 828 57 41ms 26 Mar 2024 878th inventshah 827 80 3ms 9 Sep 2022 879th Shanethegamer 🇺🇸 826 64 3ms 25 Apr 2023 880th m-tkach 🇺🇦 825 64 376ms 30 Jan 2024 881st dokutan 825 101 353ms 24 Sep 2025 882nd didion0 🇺🇸 822 73 13ms 22 Apr 2021 882nd itsh01 822 73 14ms 16 Aug 2021 882nd c0d3-4-F00d 🇩🇪 822 73 9ms 5 Jan 2022 882nd DaCuteRaccoon 822 73 10ms 30 Nov 2022 882nd janbehrens 🇩🇪 822 73 10ms 17 Jun 2023 882nd Yax42 🇫🇷 822 73 9ms 18 days ago 888th DialFrost 🇸🇬 822 103 40ms 16 Feb 2025 889th ovs-code 🇩🇪 822 153 1,544ms 14 Sep 2025 889th primo-ppcg 🇹🇭 822 153 1,500ms 15 Sep 2025 889th emgordon154 822 153 1,501ms 16 Sep 2025 889th Yewzir 🇧🇪 822 153 1,551ms 16 days ago 893rd KatieLG 🇬🇧 821 74 15ms 5 Nov 2020 893rd trist224 🇫🇷 821 74 10ms 15 Nov 2022 893rd QuincyNash 🇺🇸 821 74 9ms 29 Nov 2022 896th snoozingnewt 🇺🇸 820 74 2,024ms 43 hours ago 897th AaronGarbut 820 87 2ms 30 Jul 2019 898th phdphil 818 46 140ms 9 Apr 2018 899th dokutan 818 85 102ms 23 Jul 2025 900th orthoplex 🇨🇽 817 36 38ms 20 Jul 2024 First Prev 826–900 of 3,126 Next Last