Harman Patil (Editor)

384 (number)

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384
  
385 →

Roman numeral
  
CCCLXXXIV

Factorization
  
2× 3

Binary
  
1100000002

Cardinal
  
three hundred eighty-four

Ordinal
  
384th(three hundred and eighty-fourth)

Three hundred [and] eighty four is an even composite positive integer.

Contents

In mathematics

384 is:

  • the sum of a twin prime (191 + 193).
  • the sum of six consecutive primes (53 + 59 + 61 + 67 + 71 + 73).
  • the order of the hyperoctahedral group for n = 4
  • the double factorial of 8.
  • an abundant number.
  • the third 129-agonal number after 1, 129 and before 766 and 1275.
  • a Harshad number in bases 2, 3, 4, 5, 7, 8, 9, 13, 17, (and 62 other bases).

    • Computing

    Being a low multiple of a power of two, 384 occurs often in the field of computing. For example, the digest length of the secure hash function SHA-384, the screen resolution of Virtual Boy is 384x224, MP3 Audio layer 1 encoding is 384 kibps, in 3G phones the WAN implementation of CDMA is up to 384 kbit/s.

    In other fields

  • The year 384 AD.
  • The year 384 BC.
  • The Jewish year can be 384 days long.
  • The Thai lunar calendar can be 384 days long.
  • 384 is the ISO 3166-1 numeric code for Côte d'Ivoire.
  • Asteroid 384 Burdigala.
  • The number of lines in the I Ching (64x6).
  • Interstate 384 in the United States.
  • USS Parche (SS-384) was a US submarine in the 20th century
  • The apogee of the expeditions to the International Space Station is generally 384 km.

    • References

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


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