1630
1630 is the year Kepler died.
- Even
- Composite
Where 1630 fits
Why 1630 is special
He had found the laws governing planetary motion and spent years defending his mother against a witchcraft prosecution. His grave was destroyed within two years by the Thirty Years' War.
Factors & digit properties
- Divisors (8)
- 1, 2, 5, 10, 163, 326, 815, 1630
- Prime factorisation
- 2 × 5 × 163
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 1630
- Binary
- 11001011110
- Octal
- 3136
- Hexadecimal
- 65e
- Roman numeral
- MDCXXX
- Scientific notation
- 1.630 × 10^3
Other mathematical patterns
- Deficient number
- Harshad (Niven) number
Science
Kepler established that planets move in ellipses and also spent six years defending his mother in a witch trial. His burial place was destroyed by the war within two years of his death in 1630.
DocumentedSciencePeriod: 1630
Common questions
Is 1630 a prime number?
No, 1630 is not prime.
What are the factors of 1630?
The factors of 1630 are 1, 2, 5, 10, 163, 326, 815, 1630.
What is 1630 in Roman numerals?
1630 in Roman numerals is MDCXXX.
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