7078
NGC 7078 is the globular cluster M15.
- Even
- Composite
Where 7078 fits
Why 7078 is special
Its core has collapsed — the stars are packed so densely toward the centre that the cluster's brightness profile has no flat region at all.
Factors & digit properties
- Divisors (4)
- 1, 2, 3539, 7078
- Prime factorisation
- 2 × 3539
- Digit sum
- 22
- Digital root
- 4
Representations
- Decimal
- 7078
- Binary
- 1101110100110
- Octal
- 15646
- Hexadecimal
- 1ba6
- Scientific notation
- 7.078 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
M15's core has collapsed and M13's has not, which is the clearest structural distinction between globular clusters.
View 6205 →Science
NGC 7078 is one of the densest known globular clusters and shows a core-collapsed brightness profile. It also contains a planetary nebula, which is uncommon in globular clusters.
DocumentedSciencePeriod: 1746–
Common questions
Is 7078 a prime number?
No, 7078 is not prime.
What are the factors of 7078?
The factors of 7078 are 1, 2, 3539, 7078.
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