1747
1747 is the year of the first controlled clinical trial.
- Odd
- Prime
Where 1747 fits
Why 1747 is special
James Lind divided scurvy patients into groups and gave each a different treatment; those given citrus recovered. The Royal Navy took over forty years to adopt the finding.
1747 is part of
Factors & digit properties
- Divisors (2)
- 1, 1747
- Prime factorisation
- 1747
- Digit sum
- 19
- Digital root
- 1
Representations
- Decimal
- 1747
- Binary
- 11011010011
- Octal
- 3323
- Hexadecimal
- 6d3
- Roman numeral
- MDCCXLVII
- Scientific notation
- 1.747 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
Lind ran a controlled trial in 1747 and the navy took forty years to act; Fleming observed penicillin in 1928 and it took a decade and different people to make it a medicine. Evidence and adoption are separate problems.
View 1928 →Other connections
- contrasts with1928
why?
Strength 0.50, confidence "high".
Science
Lind's 1747 shipboard experiment is the earliest controlled clinical trial on record and identified citrus as effective against scurvy. Adoption took decades, which is an early instance of the gap between evidence and practice.
DocumentedSciencePeriod: 1747
Common questions
Is 1747 a prime number?
Yes, 1747 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 1747?
The factors of 1747 are 1, 1747.
What is 1747 in Roman numerals?
1747 in Roman numerals is MDCCXLVII.
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