1300
NGC 1300 is a textbook barred spiral galaxy.
- Even
- Composite
Where 1300 fits
Why 1300 is special
It is the example almost every textbook uses, because the bar and the arms are separated as cleanly as they ever get in a real galaxy.
1300 is part of
Factors & digit properties
- Divisors (18)
- 1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300
- Prime factorisation
- 2^2 × 5^2 × 13
- Digit sum
- 4
- Digital root
- 4
Representations
- Decimal
- 1300
- Binary
- 10100010100
- Octal
- 2424
- Hexadecimal
- 514
- Roman numeral
- MCCC
- Scientific notation
- 1.300 × 10^3
Other mathematical patterns
- Abundant number
- Happy number
- Harshad (Niven) number
Related numbers & connections
Both are barred spirals used as reference examples, one for clean morphology and one for a bar visibly feeding a nucleus.
View 1365 →NGC 2903 is brighter than several Messier objects and absent from that catalogue, which shows what the catalogue was for.
View 2903 →Science
NGC 1300 is a barred spiral in Eridanus whose bar and spiral arms are unusually distinct, making it a standard illustration of barred morphology.
DocumentedSciencePeriod: 1835–
Common questions
Is 1300 a prime number?
No, 1300 is not prime.
What are the factors of 1300?
The factors of 1300 are 1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300.
What is 1300 in Roman numerals?
1300 in Roman numerals is MCCC.
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