1728
Học thuậtThân thiện
Definition
- Noun:
- A cardinal number equal to one dozen gross: "1728" is a specific number, representing the quantity that is twelve times a gross (which is 144). It is the cube of 12 (12 x 12 x 12 = 1728).
Usage
- Noun:
- The term "1728" is used primarily in mathematical, historical, or specialized contexts to denote this specific large quantity. It is read as "seventeen twenty-eight."
- It is a precise numerical value, not typically used in general descriptive language.
Examples
- Noun:
- In the old system of measurement, a great gross refers to 1728 items.
- The volume of a cubic foot is 1728 cubic inches.
- The calculation resulted in the product 1728.
Advanced Usage
- Mathematical Property: "1728" is notable as 12³ (twelve cubed). It is also a Harshad number (divisible by the sum of its digits: 1+7+2+8=18, and 1728/18=96).
- Historical/Commercial Context: The number was significant in duodecimal (base-12) systems of counting and commerce, where a "gross" means 144 (a dozen dozen) and a "great gross" means 1728 (a dozen gross).
Variants and Related Words
- Gross (n): A group of 144 items (12 dozen).
- Great gross (n): A group of 1728 items (12 gross).
- Dozen (n): A group of twelve.
Synonyms
- Twelve cubed: The mathematical expression for 1728.
- One dozen gross: The descriptive term for this quantity.
Notes
- As a specific numeral, "1728" does not have phrasal verbs or idioms associated with it. Its usage is confined to denoting the exact number.
Noun
- a cardinal number equal to one dozen gross