886
+886 is the international calling code for Taiwan.
- Even
- Composite
Where 886 fits
Why 886 is special
The code sits in the 8x East Asian block. Its administrative listing at the ITU has been a point of diplomatic contention, which is unusual for a technical registry and reflects the wider dispute over Taiwan's status.
Factors & digit properties
- Divisors (4)
- 1, 2, 443, 886
- Prime factorisation
- 2 × 443
- Digit sum
- 22
- Digital root
- 4
Representations
- Decimal
- 886
- Binary
- 1101110110
- Octal
- 1566
- Hexadecimal
- 376
- Roman numeral
- DCCCLXXXVI
- Scientific notation
- 8.860 × 10^2
Other mathematical patterns
- Deficient number
- Semiprime
Geography
+886 reaches Taiwan, in the 8x East Asian block. How the assignment is designated in ITU listings has been a point of diplomatic contention — unusual for a technical registry, and a direct reflection of the wider dispute over status.
DocumentedGeographyGeography: Taiwan
Common questions
Is 886 a prime number?
No, 886 is not prime.
What are the factors of 886?
The factors of 886 are 1, 2, 443, 886.
What is 886 in Roman numerals?
886 in Roman numerals is DCCCLXXXVI.
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