When applied to strings or sequences that may contain digits, numbers or more elaborate types of elements, in addition to alphabetical characters, the alphabetical order is generally called a lexicographical order. In mathematics, a lexicographical order is the generalization of the alphabetical order to other data types, such as sequences of numbers or other ordered mathematical objects. For the creation of an alphabetic writing system, which in instances of Latin script is called romanization, see Romanization.Īlphabetical order is a system whereby character strings are placed in order based on the position of the characters in the conventional ordering of an alphabet. For other uses, see Alphabetical (disambiguation). For example, you may find “One” is the only number with its letters in reverse alphabetical order in your next exploration."Alphabetical" and "Alphabetization" redirect here. It’s fascinating to discover more about numbers and letters, as well as other interesting facts. Final Thoughtįiguring out that forty is the only number spelled in alphabetical order can be both a fun and educational exercise. Likewise, the words two to nineteen, twenty, thirty, fifty, sixty, seventy, eighty, ninety, hundred, thousand, million, billion and trillion are all not spelled in alphabetical order. All you have to do is to check 1-19, 20, 30, 40, 50, 60, 70, 80, 90, 100, 1,000, million, billion, and trillion.įor example, the word “one” is composed of the letters “o,” “n,” and “e,” but they are not in alphabetical order. In order to figure out which number is arranged in alphabetical order, you don’t need to spell out every number from 1 to 1,000 or more. You may ask how can you make sure Forty is the only number spelled in alphabetical order? Here are the calculation processes: How to Figure Out Forty is the Only Number We can also analyze the ordinal number “First” in this way.Īnd you’ll see it is also arranged in alphabetical order. These five letters are arranged from 6th, 15th, 18th, 20th, 25th in the alphabet, therefore, 40 is spelled in alphabetical order. So let’s break down Forty to five letters: F-O-R-T-Y, and count each position in the English alphabet. To identify whether a number is spelled in alphabetical sequence or not, you need to break down the letters and calculate each letter’s order. Why The Number “Forty” is Spelled In Alphabetical Order So you may calculate by yourself if you encounter such interesting number questions next time. Also, you’ll learn the math method of how Forty is calculated out. In this article, we’ll explain why Forty is the only number has its letters in alphabetical order when spelled out. The word “first” also has its letters written in alphabetical order, but it is an ordinal number. To be more precise, ‘Forty’ is the only cardinal number with its letters in alphabetical order. Some people say “First” is also the number in which the letters are placed in alphabetical order. When you’re learning numbers and the alphabet, you may ask what number is spelled in alphabetical order in English? The answer is Forty, and it is the only number where its alphabets are in order.
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