136,199
136199 Eris is the dwarf planet that triggered Pluto's reclassification.
- Odd
- Composite
Where 136,199 fits
Why 136,199 is special
It is more massive than Pluto, so the choice was to accept a tenth planet or redefine the word, and the IAU redefined the word.
Factors & digit properties
- Divisors (4)
- 1, 7, 19457, 136199
- Prime factorisation
- 7 × 19457
- Digit sum
- 29
- Digital root
- 2
Representations
- Decimal
- 136199
- Binary
- 100001010000000111
- Octal
- 412007
- Hexadecimal
- 21407
- Scientific notation
- 1.362 × 10^5
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
Both are large trans-Neptunian objects discovered in 2005 by the same survey.
View 136472 →Eris proved more massive than Pluto, and the choice between a tenth planet and a new definition produced Pluto's minor planet number.
View 134340 →Science
136199 Eris was discovered in 2005 and found to exceed Pluto in mass. Its discovery precipitated the 2006 IAU definition of a planet.
DocumentedSciencePeriod: 2005–
Common questions
Is 136,199 a prime number?
No, 136,199 is not prime.
What are the factors of 136,199?
The factors of 136,199 are 1, 7, 19457, 136199.
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