1627
1627 is the year the aurochs became extinct.
- Odd
- Prime
Where 1627 fits
Why 1627 is special
The wild ancestor of domestic cattle died out with a single recorded last individual in Poland. It is one of the earliest extinctions with a documented final specimen and date.
1627 is part of
Factors & digit properties
- Divisors (2)
- 1, 1627
- Prime factorisation
- 1627
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 1627
- Binary
- 11001011011
- Octal
- 3133
- Hexadecimal
- 65b
- Roman numeral
- MDCXXVII
- Scientific notation
- 1.627 × 10^3
Other mathematical patterns
- Deficient number
Science
The last aurochs died in the Jaktorów forest in 1627. Very few pre-modern extinctions have a documented final individual, which is why this one is cited so often.
DocumentedScienceGeography: PolandPeriod: 1627
Common questions
Is 1627 a prime number?
Yes, 1627 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 1627?
The factors of 1627 are 1, 1627.
What is 1627 in Roman numerals?
1627 in Roman numerals is MDCXXVII.
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