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Cardinal | three hundred eighty-four | |||

Ordinal | 384th (three hundred eighty-fourth) | |||

Factorization | 2^{7} × 3 | |||

Greek numeral | ΤΠΔ´ | |||

Roman numeral | CCCLXXXIV | |||

Binary | 110000000_{2} | |||

Ternary | 112020_{3} | |||

Quaternary | 12000_{4} | |||

Quinary | 3014_{5} | |||

Senary | 1440_{6} | |||

Octal | 600_{8} | |||

Duodecimal | 280_{12} | |||

Hexadecimal | 180_{16} | |||

Vigesimal | J4_{20} | |||

Base 36 | AO_{36} |

**384** (**three hundred [and] eighty-four**) is the natural number following 383 and preceding 385. It is an even composite positive integer.

**384** is:

- the sum of a twin prime pair (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.
^{[1]} - an abundant number.
- the third 129-gonal 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).

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.

- 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.

**^**"Sloane's A000165 : Double factorials".*The On-Line Encyclopedia of Integer Sequences*. OEIS Foundation. Retrieved 2016-05-30.

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