355
+355 is the international calling code for Albania.
- Odd
- Composite
Where 355 fits
Why 355 is special
Albania sits in the 35x European range. It was among the most isolated countries in Europe until 1991, and its telephone network was rebuilt substantially from that point rather than modernised gradually.
Same number, different meanings
How 355 is understood across different contexts — never implying one meaning because of another.
- Mathematics
Albania sits in the 35x European range. It was among the most isolated countries in Europe until 1991, and its telephone network was rebuilt substantially from that point rather than modernised gradually.
- Technology & computing
The F355's paddle-shift gearbox was derived from Formula One and offered as an alternative to a manual. Within two decades the manual had effectively disappeared from performance cars.
- Geography
+355 reaches Albania, in the 35x range with Portugal, Ireland, Malta and Cyprus — a stretch grouped by assignment order rather than by geography.
Factors & digit properties
- Divisors (4)
- 1, 5, 71, 355
- Prime factorisation
- 5 × 71
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 355
- Binary
- 101100011
- Octal
- 543
- Hexadecimal
- 163
- Roman numeral
- CCCLV
- Scientific notation
- 3.550 × 10^2
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
Albania and Serbia are neighbours whose relationship is dominated by the disputed status of Kosovo, which was assigned +383 only in 2016.
View 381 →Criticism of the 348's stability shaped how its successor's suspension was developed.
View 348 →Technology & computing
The F355's paddle-shift gearbox was derived from Formula One and offered as an alternative to a manual. Within two decades the manual had effectively disappeared from performance cars.
DocumentedTechnology & computingGeography: Italy
Geography
+355 reaches Albania, in the 35x range with Portugal, Ireland, Malta and Cyprus — a stretch grouped by assignment order rather than by geography.
DocumentedGeographyGeography: Albania
Common questions
Is 355 a prime number?
No, 355 is not prime.
What are the factors of 355?
The factors of 355 are 1, 5, 71, 355.
What is 355 in Roman numerals?
355 in Roman numerals is CCCLV.
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