673
+673 is the international calling code for Brunei.
- Odd
- Prime
Where 673 fits
Why 673 is special
Brunei is one of the wealthiest countries per capita from oil and gas, and one of the few remaining absolute monarchies.
673 is part of
Factors & digit properties
- Divisors (2)
- 1, 673
- Prime factorisation
- 673
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 673
- Scientific notation
- 6.730 × 10^2
Roman numerals
D C L X X I I I
Binary
1 0 1 0 1 0 0 0 0 1
1 × 512 + 0 × 256 + 1 × 128 + 0 × 64 + 1 × 32 + 0 × 16 + 0 × 8 + 0 × 4 + 0 × 2 + 1 × 1 = 673
Octal
1 2 4 1
1 × 512 + 2 × 64 + 4 × 8 + 1 × 1 = 673
Hexadecimal
2 a 1
2 × 256 + a × 16 + 1 × 1 = 673
Read as powers of two: 512 + 128 + 32 + 1 = 673.
In historical numeral systems
Egyptian
6 coils of rope, 7 hobbles, 3 strokes
6 × 100 + 7 × 10 + 3 × 1 = 673. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
1 corner wedge + 1 vertical wedge (sixties place), 1 corner wedge + 3 vertical wedges (units place)
11 × 60 + 13 = 673. Places are separated by a space on the tablet, with the higher place written first.
Greek (Ionic)
chi, then omicron, then gamma, marked as a numeral
chi-omicron-gamma + keraia
chi + omicron + gamma written in descending order and added — the letters carry their values wherever they stand, so this is addition, not place value.
Hebrew numerals
tav, then resh, then ayin, then gimel
tav-resh-ayin-gimel
tav (400) + resh (200) + ayin (70) + gimel (3) = 673, written in descending order.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
Other mathematical patterns
- Deficient number
- Happy number
- Lucky number (mathematical sieve)
Related numbers & connections
Brunei is enclosed by Malaysian territory on Borneo. It is one of a handful of states where the monarch holds absolute power.
View 60 →Nearby in a sequence
- is adjacent to60
why?
Strength 0.50, confidence "high".
Geography
+673 reaches Brunei, a small oil-rich sultanate on Borneo and one of a handful of states where the monarch holds absolute power.
DocumentedGeographyGeography: Brunei
Common questions
Is 673 a prime number?
Yes, 673 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 673?
The factors of 673 are 1, 673.
What is 673 in Roman numerals?
673 in Roman numerals is DCLXXIII.
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: 15 July 2026