887
887 Alinda is trapped in a resonance with Jupiter.
- Odd
- Prime
Where 887 fits
Why 887 is special
The resonance steadily raises its eccentricity, which means objects in this state are eventually thrown onto Earth-crossing orbits.
887 is part of
Factors & digit properties
- Divisors (2)
- 1, 887
- Prime factorisation
- 887
- Digit sum
- 23
- Digital root
- 5
Representations
- Decimal
- 887
- Binary
- 1101110111
- Octal
- 1567
- Hexadecimal
- 377
- Roman numeral
- DCCCLXXXVII
- Scientific notation
- 8.870 × 10^2
Other mathematical patterns
- Deficient number
- Safe prime
Related numbers & connections
The mechanism the asteroid is named after explains orbits that resonances alone do not.
View 3040 →Science
887 Alinda is in a 3:1 mean-motion resonance with Jupiter and 4:1 with Earth. Objects in this resonance undergo eccentricity growth that can produce Earth-crossing orbits.
DocumentedSciencePeriod: 1918–
Common questions
Is 887 a prime number?
Yes, 887 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 887?
The factors of 887 are 1, 887.
What is 887 in Roman numerals?
887 in Roman numerals is DCCCLXXXVII.
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