90,377
90377 Sedna has an orbit that reaches far beyond the Kuiper belt.
- Odd
- Composite
Where 90,377 fits
Why 90,377 is special
Nothing known could have put it on that orbit, which is one of the observations behind the argument for an undiscovered distant planet.
90,377 is part of
Factors & digit properties
- Divisors (4)
- 1, 7, 12911, 90377
- Prime factorisation
- 7 × 12911
- Digit sum
- 26
- Digital root
- 8
Representations
- Decimal
- 90377
- Scientific notation
- 9.038 × 10^4
Roman numerals
Roman numerals as modelled here goes up to 3,999.
Binary
1 0 1 1 0 0 0 0 1 0 0 0 0 1 0 0 1
1 × 65,536 + 0 × 32,768 + 1 × 16,384 + 1 × 8,192 + 0 × 4,096 + 0 × 2,048 + 0 × 1,024 + 0 × 512 + 1 × 256 + 0 × 128 + 0 × 64 + 0 × 32 + 0 × 16 + 1 × 8 + 0 × 4 + 0 × 2 + 1 × 1 = 90,377
Octal
2 6 0 4 1 1
2 × 32,768 + 6 × 4,096 + 0 × 512 + 4 × 64 + 1 × 8 + 1 × 1 = 90,377
Hexadecimal
1 6 1 0 9
1 × 65,536 + 6 × 4,096 + 1 × 256 + 0 × 16 + 9 × 1 = 90,377
Read as powers of two: 65,536 + 16,384 + 8,192 + 256 + 8 + 1 = 90,377.
In historical numeral systems
Egyptian
9 fingers, 3 coils of rope, 7 hobbles, 7 strokes
9 × 10,000 + 3 × 100 + 7 × 10 + 7 × 1 = 90,377. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
Other mathematical patterns
- Deficient number
- Happy number
- Semiprime
Related numbers & connections
Sedna's detached orbit cannot be explained by Neptune, which is why it features in arguments for an undiscovered distant planet.
View 134340 →Other connections
- contrasts with134340
why?
Strength 0.50, confidence "high".
Science
90377 Sedna has a perihelion near 76 astronomical units and an aphelion beyond 900. Its detachment from Neptune's influence remains unexplained and features in arguments for a distant massive perturber.
DocumentedSciencePeriod: 2003–
Common questions
Is 90,377 a prime number?
No, 90,377 is not prime.
What are the factors of 90,377?
The factors of 90,377 are 1, 7, 12911, 90377.
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: 15 July 2026