1606
1606 is the year Europeans first sighted Australia.
- Even
- Composite
Where 1606 fits
Why 1606 is special
Willem Janszoon reached Cape York, 164 years before Cook. The Dutch mapped much of the coast, judged it unpromising, and did not settle.
Factors & digit properties
- Divisors (8)
- 1, 2, 11, 22, 73, 146, 803, 1606
- Prime factorisation
- 2 × 11 × 73
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 1606
- Binary
- 11001000110
- Octal
- 3106
- Hexadecimal
- 646
- Roman numeral
- MDCVI
- Scientific notation
- 1.606 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
Dutch navigators reached Australia in 1606 and judged it unpromising; Cook charted the east coast in 1770 and claimed it. The difference is what each state wanted from a coastline.
View 1770 →Other connections
- contrasts with1770
why?
Strength 0.50, confidence "high".
Geography
Dutch navigators reached Australia from 1606 and charted a large part of the coast over the following decades. They saw no commercial prospect, which is why the eventual colonisation was British.
DocumentedGeographyGeography: AustraliaPeriod: 1606
Common questions
Is 1606 a prime number?
No, 1606 is not prime.
What are the factors of 1606?
The factors of 1606 are 1, 2, 11, 22, 73, 146, 803, 1606.
What is 1606 in Roman numerals?
1606 in Roman numerals is MDCVI.
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