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241 (number)

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241
  
242 →

Factorization
  
241

Roman numeral
  
CCXLI

Cardinal
  
two hundred forty-one

Prime
  
twin prime

Ordinal
  
241st (two hundred and forty-first)

241 (two hundred [and] forty-one) is the natural number between 240 and 242. It is also a prime number.

Contents

In mathematics

241 is the larger of the twin primes (239, 241). Twin primes are pairs of primes separated by 2.

241 is a regular prime and a lucky prime.

Since 241 = 15 × 24 + 1, it is a Proth prime.

241 is a repdigit in base 15 (111).

241 is the only known Lucas–Wieferich prime to (U, V) = (3, −1).

In Chemistry

Americium-241 is the most common isotope of Americium, used in smoke detectors.

  • Reel Big Fish wrote a song entitled "241," where the number is repeated as the only lyric.
  • A short form of the phrase "Two for One" describing a discount.
  • Made popular by Gil Harrington following the abduction and murder of her daughter Morgan Harrington. "241" was shared between the family, meaning, "I love you too much, forever, and one more time." It is a symbol of everlasting and unrelinquishing love for one another.

    • References

    241 (number) Wikipedia
    (Text) CC BY-SA