1667
1667 is the year Paradise Lost was published.
- Odd
- Prime
Where 1667 fits
Why 1667 is special
Milton was blind and dictated it, and sold the copyright for ten pounds. It is the most influential poem in English after Shakespeare's plays, and much popular imagery of Satan comes from it rather than from scripture.
1667 is part of
Factors & digit properties
- Divisors (2)
- 1, 1667
- Prime factorisation
- 1667
- Digit sum
- 20
- Digital root
- 2
Representations
- Decimal
- 1667
- Binary
- 11010000011
- Octal
- 3203
- Hexadecimal
- 683
- Roman numeral
- MDCLXVII
- Scientific notation
- 1.667 × 10^3
Other mathematical patterns
- Deficient number
- Twin prime
Related numbers & connections
The Dutch surrendered New Amsterdam in 1664 and accepted Suriname in the 1667 settlement, which made economic sense when sugar mattered more than a northern trading post.
View 1664 →Other connections
- developed from1664
why?
Strength 0.50, confidence "high".
Culture
A great deal of the popular picture of Satan, Hell and the fall comes from Paradise Lost rather than from the Bible. Milton's inventions have been absorbed as though they were doctrine, which is an unusual afterlife for a poem.
DocumentedCultureGeography: EnglandPeriod: 1667
Common questions
Is 1667 a prime number?
Yes, 1667 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 1667?
The factors of 1667 are 1, 1667.
What is 1667 in Roman numerals?
1667 in Roman numerals is MDCLXVII.
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