354
+354 is the international calling code for Iceland.
- Even
- Composite
Where 354 fits
Why 354 is special
Iceland runs almost entirely on geothermal and hydroelectric power and uses a patronymic naming system rather than family surnames, so its phone book is ordered by first name.
Factors & digit properties
- Divisors (8)
- 1, 2, 3, 6, 59, 118, 177, 354
- Prime factorisation
- 2 × 3 × 59
- Digit sum
- 12
- Digital root
- 3
Representations
- Decimal
- 354
- Binary
- 101100010
- Octal
- 542
- Hexadecimal
- 162
- Roman numeral
- CCCLIV
- Scientific notation
- 3.540 × 10^2
Other mathematical patterns
- Abundant number
Related numbers & connections
Iceland and the Faroe Islands are both North Atlantic island communities outside the EU. Iceland runs almost entirely on geothermal and hydroelectric power.
View 298 →Other connections
- is associated with298
why?
Strength 0.50, confidence "high".
Geography
+354 reaches Iceland, where nearly all electricity and heating come from geothermal and hydro sources, and where the telephone directory is alphabetised by given name because surnames are patronymics.
DocumentedGeographyGeography: Iceland
Common questions
Is 354 a prime number?
No, 354 is not prime.
What are the factors of 354?
The factors of 354 are 1, 2, 3, 6, 59, 118, 177, 354.
What is 354 in Roman numerals?
354 in Roman numerals is CCCLIV.
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