604
NGC 604 is a giant star-forming region in another galaxy.
- Even
- Composite
Where 604 fits
Why 604 is special
It is roughly forty times the diameter of the Orion Nebula, which makes it a case where distance is an advantage: the whole region fits in one view.
Factors & digit properties
- Divisors (6)
- 1, 2, 4, 151, 302, 604
- Prime factorisation
- 2^2 × 151
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 604
- Binary
- 1001011100
- Octal
- 1134
- Hexadecimal
- 25c
- Roman numeral
- DCIV
- Scientific notation
- 6.040 × 10^2
Other mathematical patterns
- Deficient number
Related numbers & connections
Both are giant star-forming regions in other galaxies, far larger than anything comparable in the Milky Way.
View 2070 →Science
NGC 604 is an H II region in the Triangulum Galaxy, around 1,500 light years across and far larger than any comparable region in the Milky Way.
DocumentedSciencePeriod: 1784–
Common questions
Is 604 a prime number?
No, 604 is not prime.
What are the factors of 604?
The factors of 604 are 1, 2, 4, 151, 302, 604.
What is 604 in Roman numerals?
604 in Roman numerals is DCIV.
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