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Mathematics. Forty is the fourth octagonal number. [3] As the sum of the first four pentagonal numbers: , it is also the fourth pentagonal pyramidal number. [4] Forty is a repdigit in ternary, and a Harshad number in decimal. [5] 40 is an abundant number, because the sum of its proper divisors is greater than 40.
The number 40 is spelled forty despite the fact that four contains a u. Even though it is often misspelled fourty, the only widely accepted spelling of the number is forty.
Jun 21, 2023 · The correct spelling of the number 40 is forty. In modern times, fourty is incorrect, although in the past this was likely the original spelling. Nowadays, forty is the accepted spelling and fourty is considered a mistake. Forty (40) is the number that follows 39 and precedes 41.
Nov 18, 2022 · “Forty” is the correct spelling of the cardinal number 40. “Fourty” is a spelling error and is never correct.
She was a successful banker by the time she was forty. The report notes that forty percent of lawyers entering the profession are women. The average person in the street is a lot better off than they were forty years ago. SMART Vocabulary: related words and phrases.
Jul 18, 2022 · Millennials are starting to turn 40. Leslie Price considers how the generation that invented disrupting things is going to approach middle age.
Factors of 40 are the numbers that can divide the original number 40 and results in the whole number as quotient. Basically, when we multiply any two factors in pairs we get the original number. Whereas multiples of 40 are the extended times of it, such as 40, 80, 120, 160, 200, 240 and so on.
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Oct 28, 2015 · There are 40 spaces on a Monopoly board, it took chemists 40 attempts to perfect WD-40, and more fascinating trivia about the number 40.
Forty is the number that is after thirty-nine and before forty-one . The prime factors of forty are 2 and 5. (2 * 2 * 2 * 5 = 40) Forty is also the only number in the English language which is spelt in alphabetical order.
