1778
1778 is the year Cook reached Hawaii.
- Even
- Composite
Where 1778 fits
Why 1778 is special
He was killed there the following year. Introduced diseases reduced the Hawaiian population catastrophically over the following century, a pattern repeated across the Pacific.
Factors & digit properties
- Divisors (8)
- 1, 2, 7, 14, 127, 254, 889, 1778
- Prime factorisation
- 2 × 7 × 127
- Digit sum
- 23
- Digital root
- 5
Representations
- Decimal
- 1778
- Binary
- 11011110010
- Octal
- 3362
- Hexadecimal
- 6f2
- Roman numeral
- MDCCLXXVIII
- Scientific notation
- 1.778 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
Cook's first voyage set out in 1768 and he reached Hawaii in 1778, where he was killed the following year. Introduced disease followed contact across the Pacific.
View 1768 →Other connections
- developed from1768
why?
Strength 0.50, confidence "high".
History
Cook's arrival in Hawaii in 1778 was followed by introduced epidemics that reduced the population by a large proportion over the following century. The pattern held across the Pacific and is the dominant demographic fact of the contact period.
DocumentedHistoryGeography: HawaiiPeriod: 1778
Common questions
Is 1778 a prime number?
No, 1778 is not prime.
What are the factors of 1778?
The factors of 1778 are 1, 2, 7, 14, 127, 254, 889, 1778.
What is 1778 in Roman numerals?
1778 in Roman numerals is MDCCLXXVIII.
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