1797
1797 is the year the first parachute descent was made.
- Odd
- Composite
Where 1797 fits
Why 1797 is special
André-Jacques Garnerin jumped from a balloon over Paris. The canopy oscillated violently on the way down, and the vent hole added afterwards to fix it is still standard.
Factors & digit properties
- Divisors (4)
- 1, 3, 599, 1797
- Prime factorisation
- 3 × 599
- Digit sum
- 24
- Digital root
- 6
Representations
- Decimal
- 1797
- Binary
- 11100000101
- Octal
- 3405
- Hexadecimal
- 705
- Roman numeral
- MDCCXCVII
- Scientific notation
- 1.797 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
- Lucky number (mathematical sieve)
Related numbers & connections
The first parachute descent in 1797 followed the first manned balloon flights of the 1780s. The parachute existed as an answer to a problem ballooning had created.
View 1783 →Other connections
- developed from1783
why?
Strength 0.50, confidence "high".
Technology & computing
Garnerin's 1797 descent swung so violently that a vent was cut in later canopies to let air escape. That modification remains a feature of round parachutes more than two centuries later.
DocumentedTechnology & computingGeography: FrancePeriod: 1797
Common questions
Is 1797 a prime number?
No, 1797 is not prime.
What are the factors of 1797?
The factors of 1797 are 1, 3, 599, 1797.
What is 1797 in Roman numerals?
1797 in Roman numerals is MDCCXCVII.
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