1670
1670 is the year the Hudson's Bay Company was chartered.
- Even
- Composite
Where 1670 fits
Why 1670 is special
It was granted trading rights over the entire drainage basin of Hudson Bay — about 40 percent of modern Canada — by a king who had never seen it. It is among the oldest continuously operating companies in the world.
Same number, different meanings
How 1670 is understood across different contexts — never implying one meaning because of another.
- Mathematics
It was granted trading rights over the entire drainage basin of Hudson Bay — about 40 percent of modern Canada — by a king who had never seen it. It is among the oldest continuously operating companies in the world.
- History
In 1670, the Hudson's Bay Company was chartered, and still trades today (North America).
- Finance & economics
The 1670 charter gave one company exclusive trade over roughly 3.9 million square kilometres, defined by watershed rather than survey. The company still exists, which makes it one of the oldest anywhere.
1670 is part of
Factors & digit properties
- Divisors (8)
- 1, 2, 5, 10, 167, 334, 835, 1670
- Prime factorisation
- 2 × 5 × 167
- Digit sum
- 14
- Digital root
- 5
Representations
- Decimal
- 1670
- Scientific notation
- 1.670 × 10^3
Roman numerals
M D C L X X
Binary
1 1 0 1 0 0 0 0 1 1 0
1 × 1,024 + 1 × 512 + 0 × 256 + 1 × 128 + 0 × 64 + 0 × 32 + 0 × 16 + 0 × 8 + 1 × 4 + 1 × 2 + 0 × 1 = 1,670
Octal
3 2 0 6
3 × 512 + 2 × 64 + 0 × 8 + 6 × 1 = 1,670
Hexadecimal
6 8 6
6 × 256 + 8 × 16 + 6 × 1 = 1,670
Read as powers of two: 1,024 + 512 + 128 + 4 + 2 = 1,670.
In historical numeral systems
Egyptian
1 lotus, 6 coils of rope, 7 hobbles
1 × 1,000 + 6 × 100 + 7 × 10 = 1,670. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
2 corner wedges + 7 vertical wedges (sixties place), 5 corner wedges (units place)
27 × 60 + 50 = 1670. Places are separated by a space on the tablet, with the higher place written first.
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
Related numbers & connections
1670 is a year in the 17th century, in the 1670s.
The Hudson's Bay Company was chartered in 1670 and the Dutch East India Company in 1602. Both were granted powers that no modern corporation approaches.
View 1602 →Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
Other connections
- is associated with1602
why?
Strength 0.50, confidence "high".
History
In 1670, the Hudson's Bay Company was chartered, and still trades today (North America).
DocumentedHistoryGeography: North AmericaPeriod: 1670
Finance & economics
The 1670 charter gave one company exclusive trade over roughly 3.9 million square kilometres, defined by watershed rather than survey. The company still exists, which makes it one of the oldest anywhere.
DocumentedFinance & economicsGeography: CanadaPeriod: 1670
Common questions
Is 1670 a prime number?
No, 1670 is not prime.
What are the factors of 1670?
The factors of 1670 are 1, 2, 5, 10, 167, 334, 835, 1670.
What is 1670 in Roman numerals?
1670 in Roman numerals is MDCLXX.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 15 July 2026