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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.
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.
Oct 28, 2015 · Science, religion, and literature all agree—you can always count on 40. 1. Forty is the only number in English whose letters appear in alphabetical order. 2. Minus 40 degrees, or “40 below ...
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Yes. Even though your latest mammogram result is normal, regular screening is still encouraged as breast tissue can change over time. You are recommended to go for breast cancer screening every year if you are between 40 to 49 years old, and every two years if you are 50 years old or above.
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.
Nov 18, 2022 · Forty (40) is a cardinal number (i.e., a number used to indicate quantity). Like other words for numbers, it can be grammatically classified as a determiner, adjective, noun, or pronoun. “Fourty” is sometimes used instead of forty, but this is incorrect.
a number equal to four times 10; the numbers 40 to 49; specifically : the years 40 to 49 in a lifetime or century… See the full definition
