1770
1770 is the year James Cook charted the east coast of Australia.
- Even
- Composite
Where 1770 fits
Why 1770 is special
Cook claimed the coast for Britain under the doctrine that it was terra nullius — land belonging to no one — despite the presence of peoples who had lived there for tens of thousands of years. Australian law formally rejected that doctrine in 1992.
1770 is part of
Factors & digit properties
- Divisors (16)
- 1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770
- Prime factorisation
- 2 × 3 × 5 × 59
- Digit sum
- 15
- Digital root
- 6
Representations
- Decimal
- 1770
- Binary
- 11011101010
- Octal
- 3352
- Hexadecimal
- 6ea
- Roman numeral
- MDCCLXX
- Scientific notation
- 1.770 × 10^3
Other mathematical patterns
- Triangular number
- Abundant number
- Hexagonal number
- Harshad (Niven) number
Related numbers & connections
Cook claimed eastern Australia in 1770 and the First Fleet arrived in 1788. The doctrine of terra nullius that justified both was rejected by Australia's High Court in 1992.
View 1788 →Law & regulation
Britain claimed eastern Australia in 1770 on the basis that the land belonged to no one. The High Court of Australia rejected that reasoning in the Mabo decision of 1992, which is an unusually explicit judicial repudiation of a founding claim.
DocumentedLaw & regulationGeography: AustraliaPeriod: 1770
Common questions
Is 1770 a prime number?
No, 1770 is not prime.
What are the factors of 1770?
The factors of 1770 are 1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770.
What is 1770 in Roman numerals?
1770 in Roman numerals is MDCCLXX.
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