1788
1788 is the year the First Fleet arrived in Australia.
- Even
- Composite
Where 1788 fits
Why 1788 is special
Eleven ships carried about 1,400 people, most of them convicts, to a continent already inhabited for tens of thousands of years. The date is a national holiday and also a day of mourning, which is an unresolved tension rather than a settled one.
Factors & digit properties
- Divisors (12)
- 1, 2, 3, 4, 6, 12, 149, 298, 447, 596, 894, 1788
- Prime factorisation
- 2^2 × 3 × 149
- Digit sum
- 24
- Digital root
- 6
Representations
- Decimal
- 1788
- Binary
- 11011111100
- Octal
- 3374
- Hexadecimal
- 6fc
- Roman numeral
- MDCCLXXXVIII
- Scientific notation
- 1.788 × 10^3
Other mathematical patterns
- Abundant 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 1770 →Other connections
- developed from1770
why?
Strength 0.50, confidence "high".
History
26 January 1788 is marked as Australia Day and by many Indigenous Australians as Invasion Day. The same date carries both meanings simultaneously, and the dispute over it is active rather than historical.
DocumentedHistoryGeography: AustraliaPeriod: 1788
Common questions
Is 1788 a prime number?
No, 1788 is not prime.
What are the factors of 1788?
The factors of 1788 are 1, 2, 3, 4, 6, 12, 149, 298, 447, 596, 894, 1788.
What is 1788 in Roman numerals?
1788 in Roman numerals is MDCCLXXXVIII.
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