6946
NGC 6946 is the Fireworks Galaxy.
- Even
- Composite
Where 6946 fits
Why 6946 is special
Ten supernovae have been recorded in it within a century, more than in any other galaxy, which makes it a standing target for supernova searches.
Factors & digit properties
- Divisors (8)
- 1, 2, 23, 46, 151, 302, 3473, 6946
- Prime factorisation
- 2 × 23 × 151
- Digit sum
- 25
- Digital root
- 7
Representations
- Decimal
- 6946
- Binary
- 1101100100010
- Octal
- 15442
- Hexadecimal
- 1b22
- Scientific notation
- 6.946 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
Both are large spirals close to the galactic plane, where Milky Way dust dims what would otherwise be prominent.
View 342 →Science
NGC 6946 is a face-on spiral in which ten supernovae have been observed since 1917, the highest count recorded for any single galaxy.
DocumentedSciencePeriod: 1798–
Common questions
Is 6946 a prime number?
No, 6946 is not prime.
What are the factors of 6946?
The factors of 6946 are 1, 2, 23, 46, 151, 302, 3473, 6946.
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