9969
9969 Braille was visited by Deep Space 1.
- Odd
- Composite
Where 9969 fits
Why 9969 is special
The flyby largely failed — the camera was misaimed and the closest images were lost — which is a normal outcome for an experimental mission.
Factors & digit properties
- Divisors (4)
- 1, 3, 3323, 9969
- Prime factorisation
- 3 × 3323
- Digit sum
- 33
- Digital root
- 6
Representations
- Decimal
- 9969
- Binary
- 10011011110001
- Octal
- 23361
- Hexadecimal
- 26f1
- Scientific notation
- 9.969 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
ConnectionDeep Space 1 visited both an asteroid and a comet, and the asteroid imaging largely failed.
9969 is associated with 19Deep Space 1 visited both an asteroid and a comet, and the asteroid imaging largely failed.
Deep Space 1 visited both an asteroid and a comet, and the asteroid imaging largely failed.
View 19 →How is 9969 connected to another number? →
Science
Deep Space 1 passed 9969 Braille in July 1999. A navigation error meant the spacecraft's imaging at closest approach was unsuccessful.
DocumentedSciencePeriod: 1992–
Common questions
Is 9969 a prime number?
No, 9969 is not prime.
What are the factors of 9969?
The factors of 9969 are 1, 3, 3323, 9969.
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