264
+264 is the international calling code for Namibia.
- Even
- Composite
Where 264 fits
Why 264 is special
Namibia was administered by South Africa until 1990 and is among the least densely populated countries on Earth, most of it desert.
Factors & digit properties
- Divisors (16)
- 1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264
- Prime factorisation
- 2^3 × 3 × 11
- Digit sum
- 12
- Digital root
- 3
Representations
- Decimal
- 264
- Binary
- 100001000
- Octal
- 410
- Hexadecimal
- 108
- Roman numeral
- CCLXIV
- Scientific notation
- 2.640 × 10^2
Other mathematical patterns
- Abundant number
- Harshad (Niven) number
Related numbers & connections
Namibia and Botswana share a border across the Kalahari and are two of the least densely populated countries on Earth.
View 267 →Nearby in a sequence
- is adjacent to267
why?
Strength 0.50, confidence "high".
Geography
+264 reaches Namibia, which became independent from South African administration in 1990 and has one of the lowest population densities of any country.
DocumentedGeographyGeography: Namibia
Common questions
Is 264 a prime number?
No, 264 is not prime.
What are the factors of 264?
The factors of 264 are 1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264.
What is 264 in Roman numerals?
264 in Roman numerals is CCLXIV.
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