2392
NGC 2392 is a planetary nebula in Gemini.
- Even
- Composite
Where 2392 fits
Why 2392 is special
Its long-standing informal name was retired by the International Astronomical Union in 2020 as part of a review of offensive common names.
Factors & digit properties
- Divisors (16)
- 1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392
- Prime factorisation
- 2^3 × 13 × 23
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 2392
- Binary
- 100101011000
- Octal
- 4530
- Hexadecimal
- 958
- Roman numeral
- MMCCCXCII
- Scientific notation
- 2.392 × 10^3
Other mathematical patterns
- Abundant number
Related numbers & connections
Both are compact planetary nebulae named for what they resemble through a small telescope rather than for what they are.
View 3242 →Science
NGC 2392 is a double-shelled planetary nebula. The IAU stopped using its previous common name in 2020, part of a broader review of terminology in astronomy.
DocumentedSciencePeriod: 1787–
Common questions
Is 2392 a prime number?
No, 2392 is not prime.
What are the factors of 2392?
The factors of 2392 are 1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392.
What is 2392 in Roman numerals?
2392 in Roman numerals is MMCCCXCII.
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