1882
1882 is the year Koch identified the tuberculosis bacterium.
- Even
- Composite
Where 1882 fits
Why 1882 is special
He announced it on 24 March, a date still marked as World TB Day. Tuberculosis was killing about one in seven people in Europe and America at the time.
1882 is part of
Factors & digit properties
- Divisors (4)
- 1, 2, 941, 1882
- Prime factorisation
- 2 × 941
- Digit sum
- 19
- Digital root
- 1
Representations
- Decimal
- 1882
- Binary
- 11101011010
- Octal
- 3532
- Hexadecimal
- 75a
- Roman numeral
- MDCCCLXXXII
- Scientific notation
- 1.882 × 10^3
Other mathematical patterns
- Deficient number
- Happy number
- Semiprime
Related numbers & connections
Semmelweis demonstrated the effect of handwashing in 1847 without being able to explain it. Koch's identification of specific disease-causing bacteria from 1882 supplied the mechanism that had been missing.
View 1847 →Science
Tuberculosis caused roughly a seventh of all deaths in Europe and North America when Koch identified its cause in 1882. Establishing that a specific organism caused a specific disease is the foundation of modern infectious medicine.
DocumentedSciencePeriod: 1882
Common questions
Is 1882 a prime number?
No, 1882 is not prime.
What are the factors of 1882?
The factors of 1882 are 1, 2, 941, 1882.
What is 1882 in Roman numerals?
1882 in Roman numerals is MDCCCLXXXII.
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