1613
1613 is the year the Romanov dynasty began.
- Odd
- Prime
Where 1613 fits
Why 1613 is special
It ruled Russia for 304 years, ending with the abdication in 1917. Michael Romanov was sixteen and reportedly reluctant.
1613 is part of
Factors & digit properties
- Divisors (2)
- 1, 1613
- Prime factorisation
- 1613
- Digit sum
- 11
- Digital root
- 2
Representations
- Decimal
- 1613
- Scientific notation
- 1.613 × 10^3
Roman numerals
M D C X I I I
Binary
1 1 0 0 1 0 0 1 1 0 1
1 × 1,024 + 1 × 512 + 0 × 256 + 0 × 128 + 1 × 64 + 0 × 32 + 0 × 16 + 1 × 8 + 1 × 4 + 0 × 2 + 1 × 1 = 1,613
Octal
3 1 1 5
3 × 512 + 1 × 64 + 1 × 8 + 5 × 1 = 1,613
Hexadecimal
6 4 d
6 × 256 + 4 × 16 + d × 1 = 1,613
Read as powers of two: 1,024 + 512 + 64 + 8 + 4 + 1 = 1,613.
In historical numeral systems
Egyptian
1 lotus, 6 coils of rope, 1 hobble, 3 strokes
1 × 1,000 + 6 × 100 + 1 × 10 + 3 × 1 = 1,613. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
2 corner wedges + 6 vertical wedges (sixties place), 5 corner wedges + 3 vertical wedges (units place)
26 × 60 + 53 = 1613. Places are separated by a space on the tablet, with the higher place written first.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
Other mathematical patterns
- Deficient number
Related numbers & connections
1613 is a year in the 17th century, in the 1610s.
The Romanov dynasty began in 1613 and ended with the revolution of 1917, having ruled Russia for 304 years.
View 1917 →History
In 1613, Michael Romanov was elected tsar, beginning three centuries of Romanov rule (Russia).
DocumentedHistoryGeography: RussiaPeriod: 1613The Romanovs were established in 1613 when a sixteen-year-old was elected tsar to end a succession crisis. The dynasty lasted 304 years and ended in revolution.
DocumentedHistoryGeography: RussiaPeriod: 1613–1917
Common questions
Is 1613 a prime number?
Yes, 1613 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 1613?
The factors of 1613 are 1, 1613.
What is 1613 in Roman numerals?
1613 in Roman numerals is MDCXIII.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 15 July 2026