5128
NGC 5128 is Centaurus A.
- Even
- Composite
Where 5128 fits
Why 5128 is special
It is one of the brightest radio sources in the sky, and its dust lane is the wreckage of a spiral galaxy it absorbed.
5128 is part of
Factors & digit properties
- Divisors (8)
- 1, 2, 4, 8, 641, 1282, 2564, 5128
- Prime factorisation
- 2^3 × 641
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 5128
- Binary
- 1010000001000
- Octal
- 12010
- Hexadecimal
- 1408
- Scientific notation
- 5.128 × 10^3
Other mathematical patterns
- Deficient number
- Happy number
Related numbers & connections
Both are elliptical galaxies with active nuclei producing powerful radio emission.
View 4486 →Science
NGC 5128 is an elliptical galaxy with a prominent dust lane and powerful radio jets from an active nucleus, generally interpreted as the result of a merger with a gas-rich galaxy.
DocumentedSciencePeriod: 1826–
Common questions
Is 5128 a prime number?
No, 5128 is not prime.
What are the factors of 5128?
The factors of 5128 are 1, 2, 4, 8, 641, 1282, 2564, 5128.
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