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
- Scientific notation
- 7.078 × 10^3
Roman numerals
Roman numerals as modelled here goes up to 3,999.
Binary
1 1 0 1 1 1 0 1 0 0 1 1 0
1 × 4,096 + 1 × 2,048 + 0 × 1,024 + 1 × 512 + 1 × 256 + 1 × 128 + 0 × 64 + 1 × 32 + 0 × 16 + 0 × 8 + 1 × 4 + 1 × 2 + 0 × 1 = 7,078
Octal
1 5 6 4 6
1 × 4,096 + 5 × 512 + 6 × 64 + 4 × 8 + 6 × 1 = 7,078
Hexadecimal
1 b a 6
1 × 4,096 + b × 256 + a × 16 + 6 × 1 = 7,078
Read as powers of two: 4,096 + 2,048 + 512 + 256 + 128 + 32 + 4 + 2 = 7,078.
In historical numeral systems
Egyptian
7 lotuses, 7 hobbles, 8 strokes
7 × 1,000 + 7 × 10 + 8 × 1 = 7,078. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
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: 15 July 2026