1097
NGC 1097 has a ring of star formation around its nucleus.
- Odd
- Prime
Where 1097 fits
Why 1097 is special
The ring sits where gas driven inward along the bar piles up and stalls, which makes it a direct picture of how a bar feeds a galaxy's centre.
1097 is part of
Factors & digit properties
- Divisors (2)
- 1, 1097
- Prime factorisation
- 1097
- Digit sum
- 17
- Digital root
- 8
Representations
- Decimal
- 1097
- Binary
- 10001001001
- Octal
- 2111
- Hexadecimal
- 449
- Roman numeral
- MXCVII
- Scientific notation
- 1.097 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
Both show gas driven inward along a bar, one feeding an active nucleus and one piling up in a star-forming ring.
View 1365 →Science
NGC 1097 is a barred spiral with a circumnuclear starburst ring roughly 5,000 light years across, formed where bar-driven gas inflow accumulates.
DocumentedSciencePeriod: 1790–
Common questions
Is 1097 a prime number?
Yes, 1097 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 1097?
The factors of 1097 are 1, 1097.
What is 1097 in Roman numerals?
1097 in Roman numerals is MXCVII.
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