1623
1623 is the year Shakespeare's First Folio was published.
- Odd
- Composite
Where 1623 fits
Why 1623 is special
Eighteen plays appear in no earlier printed source and would otherwise be lost, including Macbeth and The Tempest. Two colleagues assembled it seven years after his death.
Factors & digit properties
- Divisors (4)
- 1, 3, 541, 1623
- Prime factorisation
- 3 × 541
- Digit sum
- 12
- Digital root
- 3
Representations
- Decimal
- 1623
- Binary
- 11001010111
- Octal
- 3127
- Hexadecimal
- 657
- Roman numeral
- MDCXXIII
- Scientific notation
- 1.623 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
Shakespeare died in 1616 and the First Folio appeared in 1623, preserving eighteen plays that survive in no earlier text.
View 1616 →Other connections
- is associated with1616
why?
Strength 0.50, confidence "high".
Culture
The First Folio of 1623 preserves eighteen plays with no surviving earlier text — Macbeth, The Tempest, Twelfth Night among them. Without it a third of the canon would not exist.
DocumentedCultureGeography: EnglandPeriod: 1623
Common questions
Is 1623 a prime number?
No, 1623 is not prime.
What are the factors of 1623?
The factors of 1623 are 1, 3, 541, 1623.
What is 1623 in Roman numerals?
1623 in Roman numerals is MDCXXIII.
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