624
624 Hektor is the largest Jupiter trojan.
- Even
- Composite
Where 624 fits
Why 624 is special
It is bilobed and has a moon, which together suggest it is two objects that came together gently rather than one that broke.
Factors & digit properties
- Divisors (20)
- 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624
- Prime factorisation
- 2^4 × 3 × 13
- Digit sum
- 12
- Digital root
- 3
Representations
- Decimal
- 624
- Binary
- 1001110000
- Octal
- 1160
- Hexadecimal
- 270
- Roman numeral
- DCXXIV
- Scientific notation
- 6.240 × 10^2
Other mathematical patterns
- Abundant number
- Harshad (Niven) number
Related numbers & connections
The largest trojan and a binary trojan, both probably assembled gently rather than broken apart.
View 617 →The leading and trailing swarms are named for Greek and Trojan figures respectively.
View 1172 →Science
624 Hektor is the largest Jupiter trojan at roughly 250 kilometres, with an elongated bilobed shape and a small satellite, consistent with a contact binary origin.
DocumentedSciencePeriod: 1907–
Common questions
Is 624 a prime number?
No, 624 is not prime.
What are the factors of 624?
The factors of 624 are 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624.
What is 624 in Roman numerals?
624 in Roman numerals is DCXXIV.
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