884
NGC 884 is the second half of the Double Cluster.
- Even
- Composite
Where 884 fits
Why 884 is special
Both clusters are only a few million years old, which is why they are dominated by hot blue stars that will not last.
Factors & digit properties
- Divisors (12)
- 1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884
- Prime factorisation
- 2^2 × 13 × 17
- Digit sum
- 20
- Digital root
- 2
Representations
- Decimal
- 884
- Binary
- 1101110100
- Octal
- 1564
- Hexadecimal
- 374
- Roman numeral
- DCCCLXXXIV
- Scientific notation
- 8.840 × 10^2
Other mathematical patterns
- Deficient number
Related numbers & connections
The Double Cluster is a genuine physical pair at the same distance rather than a line-of-sight coincidence.
View 869 →Both regions are young enough to be dominated by hot stars that will not last on astronomical timescales.
View 1976 →Science
NGC 884 is an open cluster of roughly 12 to 14 million years, containing many luminous blue and red supergiants that will end as supernovae within astronomical timescales.
DocumentedSciencePeriod: antiquity–
Common questions
Is 884 a prime number?
No, 884 is not prime.
What are the factors of 884?
The factors of 884 are 1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884.
What is 884 in Roman numerals?
884 in Roman numerals is DCCCLXXXIV.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026