6128
The Amstrad CPC 6128 had 128 kilobytes and a built-in disk drive.
- Even
- Composite
Where 6128 fits
Why 6128 is special
Its three-inch disks were an unusual format that Amstrad had committed to, and they became expensive and scarce once the rest of the industry standardised on three and a half inches.
Factors & digit properties
- Divisors (10)
- 1, 2, 4, 8, 16, 383, 766, 1532, 3064, 6128
- Prime factorisation
- 2^4 × 383
- Digit sum
- 17
- Digital root
- 8
Representations
- Decimal
- 6128
- Binary
- 1011111110000
- Octal
- 13760
- Hexadecimal
- 17f0
- Scientific notation
- 6.128 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
The CPC 464 shipped with a tape deck and the 6128 with a three-inch disk drive that no one else adopted.
View 464 →Technology & computing
The Amstrad CPC 6128 provided 128 kilobytes of RAM and an integrated three-inch floppy drive. The format was not widely adopted elsewhere, and media supply became a long-term constraint.
DocumentedTechnology & computingGeography: United Kingdom and continental EuropePeriod: 1985
Common questions
Is 6128 a prime number?
No, 6128 is not prime.
What are the factors of 6128?
The factors of 6128 are 1, 2, 4, 8, 16, 383, 766, 1532, 3064, 6128.
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