The longest personal name in the world belongs to Laurence Watkins, a New Zealander living in Sydney, Australia, whose official name consists of 2,253 unique words, a record recognized by Guinness World Records. He legally changed his name in 1990, adding over 2,000 middle names, and while he uses a shorter version daily, his full name fills several pages of official documents, making him the current record holder.
However, for Laurence Watkins, this simple task becomes an extraordinary feat of endurance. To recite his full name, all 2,253 words, demands 20 minutes.
Write the number(s) between 1 and 99 that have the longest name. (i) The number with the longest name is 98. It has two words: "Ninety" (6 letters) and "Eight" (5 letters). (ii) Another number with a long name is 70.
Born Laurence Gregory Watkins, he legally changed his name in 1990 by Deed Poll, spending months poring over books and working with colleagues to pick out each of his thousands of names.
There isn't one single "rarest last name" globally, as rarity changes by region, but some names are incredibly scarce, with examples including Pober, Mirren, Febland in England, Gambello (around 60 globally), and unique historical names like Marsvin (Danish noble, extinct male line) or names that have nearly vanished like Twelvetrees or Birdwhistle. Rarity often comes from geographic origins, recent migration, or names dying out, with some existing with only a handful of people.
Laurence Watkins (Australia) has the longest personal name of 2,253 unique words 😱
The number 12,345,678,910,987,654,321 is indeed prime. It consists of 20 digits and is really easy to remember: count to 10 and then count backward again until you get to 1. But it has been unclear whether other primes take the palindromic form of starting at 1, ascending to the number n and then descending again.
This sequence does not extend above 52 because it is, an untouchable number, since it is never the sum of proper divisors of any number. It is the first untouchable number larger than 2 and 5.
The #1 middle name is consistently James for boys and Rose or Grace for girls, with these classic, short names holding strong across decades and regions, often chosen to honor family or for their timeless simplicity. While James is a dominant male choice, female middle names often feature Rose, Grace, Mae, and Jane as top contenders.
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Top 5 Middle Names For Boys
For parents looking for more contemporary middle names for boys, the top spots include Arthur, Theodore, Fox, Frederick and Wilder. For parents seeking one syllable middle names for their son, the top five names are Kai, Finn, Jude, James and Rhys.
Global gems – rare girl names from around the world
Winfrey and her partner Stedman Graham have been together since 1986. They were engaged to be married in November 1992, but the ceremony never took place.
The number one girl name varies by location and year, but Olivia, Charlotte, and Amelia are consistently at the top in the U.S. and Australia for recent years, while Isla and Evelyn have claimed the top spots in other regions like the UK and Canberra for 2025 data.
Belphegor's prime (1000000000000066600000000000001, or 1030+666*1014+1) is a palindromic prime number discovered by mathematician Harvey Dubner.
The number 2099 has only two factors, 1 and 2099, so it meets the definition of a prime number.
Using this algorithm with hand computations on paper, Lucas showed in 1876 that the 39-digit number (2127 – 1) equals 170,141,183,460,469,231,731,687,303,715,884,105,727, and that value is prime. Also known as M127, this number remains the largest prime verified by hand computations.
A unit of quantity equal to 1051 (1 followed by 51 zeros).
In our last blog, we discussed that we go from a million to a billion and then to a trillion. Now, after a trillion, there comes a number known as quadrillion, and then we have other numbers following it. These numbers are quintillion, sextillion, septillion, octillion, nonillion, and decillion.
Highlights: Definition: A quattuorvigintillion equals 107510^{75}1075, or a 1 followed by 75 zeros.
Yes, there is a woman known for having a name with over 1,000 letters, famously featured on The Oprah Winfrey Show in 1997; her full name is Rhoshandiatellyneshiaunneveshenk Koyaanisquatsiuth Williams, but she goes by "Jamie" for simplicity, and her name was recorded as 1,019 letters long. Her mother gave her the name to make her unique and break the Guinness World Record, with the name containing parts of family names, places, and terms like "love" and "friend".
While pneumonoultramicroscopicsilicovolcanoconiosis is the longest word in the English dictionary, an even longer word exists outside the dictionary. The extended term for “titin” has 189,819 letters, but the first 61 letters are methionylthreonylthreonylglutaminylarginyltyrosylglutamylsery.
A double-barrelled name is a type of compound surname, typically featuring two words (occasionally more), often joined by a hyphen. Notable people with double-barrelled names include Winnie Madikizela-Mandela, Julia Louis-Dreyfus, and Beyoncé Knowles-Carter.