1631
1631 is the year of the 'Wicked Bible'.
- Odd
- Composite
Where 1631 fits
Why 1631 is special
A printing omitted the word 'not' from the seventh commandment, instructing readers to commit adultery. The printers were fined and most copies destroyed; about twenty survive.
Factors & digit properties
- Divisors (4)
- 1, 7, 233, 1631
- Prime factorisation
- 7 × 233
- Digit sum
- 11
- Digital root
- 2
Representations
- Decimal
- 1631
- Binary
- 11001011111
- Octal
- 3137
- Hexadecimal
- 65f
- Roman numeral
- MDCXXXI
- Scientific notation
- 1.631 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
The King James Bible of 1611 and the 1631 printing that omitted 'not' from the seventh commandment. One missing word cost the printers their licence.
View 1611 →Other connections
- contrasts with1611
why?
Strength 0.50, confidence "high".
Media & popular culture
A 1631 King James printing dropped 'not' from 'Thou shalt not commit adultery'. The printers lost their licence and were fined heavily, and surviving copies are now extremely valuable.
DocumentedMedia & popular cultureGeography: EnglandPeriod: 1631
Common questions
Is 1631 a prime number?
No, 1631 is not prime.
What are the factors of 1631?
The factors of 1631 are 1, 7, 233, 1631.
What is 1631 in Roman numerals?
1631 in Roman numerals is MDCXXXI.
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