959
The Porsche 959 was a road car built to a rally specification that was cancelled.
- Odd
- Composite
Where 959 fits
Why 959 is special
Group B was abolished after fatal accidents before the car could compete, so a machine developed for one purpose became a technology demonstrator instead — introducing computer-controlled all-wheel drive to road cars.
959 is part of
Factors & digit properties
- Divisors (4)
- 1, 7, 137, 959
- Prime factorisation
- 7 × 137
- Digit sum
- 23
- Digital root
- 5
Representations
- Decimal
- 959
- Binary
- 1110111111
- Octal
- 1677
- Hexadecimal
- 3bf
- Roman numeral
- CMLIX
- Scientific notation
- 9.590 × 10^2
Other mathematical patterns
- Palindromic number
- Deficient number
- Semiprime
Related numbers & connections
The 288 GTO and 959 were both built to homologate Group B entries, and the category was abolished before either raced. Two supercars exist because of a rule that stopped applying.
View 288 →Technology & computing
RFC 959 defines FTP, which opens a separate data connection for each transfer. That two-connection design is why FTP interacts poorly with firewalls and network address translation.
DocumentedTechnology & computingGeography: International — IETFPeriod: 1985The 959 was developed for Group B rallying, which was cancelled on safety grounds before it competed. Its adjustable computer-controlled all-wheel drive reached road cars anyway.
DocumentedTechnology & computingGeography: GermanyPeriod: 1986
Common questions
Is 959 a prime number?
No, 959 is not prime.
What are the factors of 959?
The factors of 959 are 1, 7, 137, 959.
What is 959 in Roman numerals?
959 in Roman numerals is CMLIX.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 3 August 2026