3753
3753 Cruithne shares Earth's orbital period.
- Odd
- Composite
Where 3753 fits
Why 3753 is special
It is often called Earth's second moon and is not: it orbits the Sun, and only appears to trace a horseshoe path when viewed from here.
Factors & digit properties
- Divisors (8)
- 1, 3, 9, 27, 139, 417, 1251, 3753
- Prime factorisation
- 3^3 × 139
- Digit sum
- 18
- Digital root
- 9
Representations
- Decimal
- 3753
- Binary
- 111010101001
- Octal
- 7251
- Hexadecimal
- ea9
- Roman numeral
- MMMDCCLIII
- Scientific notation
- 3.753 × 10^3
Other mathematical patterns
- Deficient number
- Lucky number (mathematical sieve)
Related numbers & connections
Trojan and co-orbital objects both demonstrate that gravitational stability does not require a moon-like orbit.
View 5261 →Other connections
- is associated with5261
why?
Strength 0.50, confidence "high".
Science
3753 Cruithne is in a 1:1 orbital resonance with Earth, following a horseshoe path in the co-rotating frame. It orbits the Sun and is not gravitationally bound to Earth.
DocumentedSciencePeriod: 1986–
Common questions
Is 3753 a prime number?
No, 3753 is not prime.
What are the factors of 3753?
The factors of 3753 are 1, 3, 9, 27, 139, 417, 1251, 3753.
What is 3753 in Roman numerals?
3753 in Roman numerals is MMMDCCLIII.
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