1633
1633 is the year Galileo was tried by the Inquisition.
- Odd
- Composite
Where 1633 fits
Why 1633 is special
He was convicted of holding heliocentrism and spent his remaining years under house arrest. The Vatican acknowledged the error formally in 1992, 359 years later.
Factors & digit properties
- Divisors (4)
- 1, 23, 71, 1633
- Prime factorisation
- 23 × 71
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 1633
- Binary
- 11001100001
- Octal
- 3141
- Hexadecimal
- 661
- Roman numeral
- MDCXXXIII
- Scientific notation
- 1.633 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
Galileo was tried in 1633 and wrote Two New Sciences under house arrest, published abroad in 1638. The physics outlasted the astronomy he was convicted over.
View 1638 →Other connections
- developed from1638
why?
Strength 0.50, confidence "high".
Science
Galileo was convicted in 1633 and confined for the rest of his life. A Vatican commission concluded in 1992 that his judges had erred, which is an unusually explicit institutional reversal and an unusually long interval.
DocumentedScienceGeography: RomePeriod: 1633
Common questions
Is 1633 a prime number?
No, 1633 is not prime.
What are the factors of 1633?
The factors of 1633 are 1, 23, 71, 1633.
What is 1633 in Roman numerals?
1633 in Roman numerals is MDCXXXIII.
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