49

Học thuật
Thân thiện
Definition
  1. Adjective: Being nine more than forty; the number that follows forty-eight and precedes fifty.
Usage
  • As a determiner or adjective: Used to indicate a quantity of exactly forty-nine.
    • There are forty-nine states in the United States. (Incorrect historically, but grammatically demonstrates usage. The correct number is fifty.)
    • She scored forty-nine points in the game.
  • As a noun: The number 49 itself.
    • Forty-nine is a perfect square. (7 x 7 = 49)
Advanced Usage
  • In mathematics: Classified as a natural number, an integer, a real number, and a perfect square (7²).
  • In historical/cultural contexts: The term "Forty-Niners" refers to the miners and prospectors who migrated to California in 1849 during the Gold Rush.
Variants and Related Words
  • Cardinal number: forty-nine
  • Ordinal number: forty-ninth (49th)
  • Roman numeral: XLIX
  • Factorization: 7²
Synonyms
  • XLIX (Roman numeral equivalent)
  • Seven squared (mathematical equivalent)
Idioms and Fixed Phrases
  • The Forty-Niners: A proper noun referring to the participants in the 1849 California Gold Rush or the San Francisco NFL team named after them.
    • The San Francisco 49ers are a professional football team.
Adjective
  1. being nine more than forty

Từ đồng nghĩa

Từ tương tự

Từ chứa "49"

Từ có nhắc đến "49"