266
+266 is the international calling code for Lesotho.
- Even
- Composite
Where 266 fits
Why 266 is special
Lesotho is entirely surrounded by South Africa and is the only country whose whole territory lies above 1,000 metres.
Factors & digit properties
- Divisors (8)
- 1, 2, 7, 14, 19, 38, 133, 266
- Prime factorisation
- 2 × 7 × 19
- Digit sum
- 14
- Digital root
- 5
Representations
- Decimal
- 266
- Binary
- 100001010
- Octal
- 412
- Hexadecimal
- 10a
- Roman numeral
- CCLXVI
- Scientific notation
- 2.660 × 10^2
Other mathematical patterns
- Deficient number
- Harshad (Niven) number
Related numbers & connections
Lesotho and Eswatini are the two remaining African monarchies enclosed by or bordering South Africa. Lesotho is the only country lying entirely above 1,000 metres.
View 268 →Other connections
- is associated with268
why?
Strength 0.50, confidence "high".
Geography
+266 reaches Lesotho, one of only three countries completely enclosed by a single other state, and the only one lying entirely above 1,000 metres in elevation.
DocumentedGeographyGeography: Lesotho
Common questions
Is 266 a prime number?
No, 266 is not prime.
What are the factors of 266?
The factors of 266 are 1, 2, 7, 14, 19, 38, 133, 266.
What is 266 in Roman numerals?
266 in Roman numerals is CCLXVI.
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