3475
The Moon is about 3,475 km across.
- Odd
- Composite
Where 3475 fits
Why 3475 is special
It is slightly wider than Australia. The Moon and Sun appear almost exactly the same size from Earth — the Sun is about 400 times wider and about 400 times further away — which is a coincidence, and the reason total solar eclipses look the way they do.
Factors & digit properties
- Divisors (6)
- 1, 5, 25, 139, 695, 3475
- Prime factorisation
- 5^2 × 139
- Digit sum
- 19
- Digital root
- 1
Representations
- Decimal
- 3475
- Binary
- 110110010011
- Octal
- 6623
- Hexadecimal
- d93
- Roman numeral
- MMMCDLXXV
- Scientific notation
- 3.475 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
The Moon's diameter is twice its radius, and both are about a quarter of Earth's — exceptionally large for a moon relative to its planet.
View 1738 →Mathematically related
- has multiple1738
why?
Strength 0.50, confidence "high".
Science
The Moon is about 3,475 km across — slightly wider than Australia. The Sun is roughly 400 times wider and roughly 400 times further away, so the two appear almost identical in size from Earth. Nothing requires that; it is why total solar eclipses look as they do.
DocumentedScience
Common questions
Is 3475 a prime number?
No, 3475 is not prime.
What are the factors of 3475?
The factors of 3475 are 1, 5, 25, 139, 695, 3475.
What is 3475 in Roman numerals?
3475 in Roman numerals is MMMCDLXXV.
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