2340
2340 Hathor is one of the smallest numbered near-Earth asteroids.
- Even
- Composite
Where 2340 fits
Why 2340 is special
At around 300 metres it is well below the size that would be catastrophic globally and well above the size that burns up entirely.
Factors & digit properties
- Divisors (36)
- 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340
- Prime factorisation
- 2^2 × 3^2 × 5 × 13
- Digit sum
- 9
- Digital root
- 9
Representations
- Decimal
- 2340
- Binary
- 100100100100
- Octal
- 4444
- Hexadecimal
- 924
- Roman numeral
- MMCCCXL
- Scientific notation
- 2.340 × 10^3
Other mathematical patterns
- Abundant number
- Harshad (Niven) number
Related numbers & connections
Both are small near-Earth asteroids in the size range producing regional rather than global effects.
View 99942 →Other connections
- is associated with99942
why?
Strength 0.50, confidence "high".
Science
2340 Hathor is an Aten-group asteroid roughly 300 metres across, in the size range that would produce severe regional rather than global effects on impact.
DocumentedSciencePeriod: 1976–
Common questions
Is 2340 a prime number?
No, 2340 is not prime.
What are the factors of 2340?
The factors of 2340 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340.
What is 2340 in Roman numerals?
2340 in Roman numerals is MMCCCXL.
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