676
+676 is the international calling code for Tonga.
Where 676 fits
Why 676 is special
Tonga is the only Pacific island nation never colonised, and sits immediately west of the date line, so it is among the first places to see each new day.
676 is part of
Factors & digit properties
- Divisors (9)
- 1, 2, 4, 13, 26, 52, 169, 338, 676
- Prime factorisation
- 2^2 × 13^2
- Digit sum
- 19
- Digital root
- 1
Representations
- Decimal
- 676
- Binary
- 1010100100
- Octal
- 1244
- Hexadecimal
- 2a4
- Roman numeral
- DCLXXVI
- Scientific notation
- 6.760 × 10^2
Other mathematical patterns
- Palindromic number
- Deficient number
- Powerful number
Related numbers & connections
Fiji and Tonga are Pacific neighbours. A large share of Fiji's population descends from Indian indentured labourers brought under British rule.
View 679 →Geography
+676 reaches Tonga, which retained its sovereignty throughout the colonial period and is one of the first inhabited places to enter each calendar day.
DocumentedGeographyGeography: Tonga
Common questions
Is 676 a prime number?
No, 676 is not prime.
What are the factors of 676?
The factors of 676 are 1, 2, 4, 13, 26, 52, 169, 338, 676.
What is 676 in Roman numerals?
676 in Roman numerals is DCLXXVI.
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