1273
1273 is a year in the 13th century. Rudolf of Habsburg was elected king of Germany, ending the interregnum and beginning the Habsburg rise (Central Europe).
- Odd
- Composite
Where 1273 fits
Why 1273 is special
1273 has a profile because of what happened in it rather than because of any property of the number: Rudolf of Habsburg was elected king of Germany, ending the interregnum and beginning the Habsburg rise (Central Europe).
1273 is part of
Factors & digit properties
- Divisors (4)
- 1, 19, 67, 1273
- Prime factorisation
- 19 × 67
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 1273
- Scientific notation
- 1.273 × 10^3
Roman numerals
M C C L X X I I I
Binary
1 0 0 1 1 1 1 1 0 0 1
1 × 1,024 + 0 × 512 + 0 × 256 + 1 × 128 + 1 × 64 + 1 × 32 + 1 × 16 + 1 × 8 + 0 × 4 + 0 × 2 + 1 × 1 = 1,273
Octal
2 3 7 1
2 × 512 + 3 × 64 + 7 × 8 + 1 × 1 = 1,273
Hexadecimal
4 f 9
4 × 256 + f × 16 + 9 × 1 = 1,273
Read as powers of two: 1,024 + 128 + 64 + 32 + 16 + 8 + 1 = 1,273.
In historical numeral systems
Egyptian
1 lotus, 2 coils of rope, 7 hobbles, 3 strokes
1 × 1,000 + 2 × 100 + 7 × 10 + 3 × 1 = 1,273. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
2 corner wedges + 1 vertical wedge (sixties place), 1 corner wedge + 3 vertical wedges (units place)
21 × 60 + 13 = 1273. 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
- Semiprime
Related numbers & connections
1273 is a year in the 13th century, in the 1270s.
Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
History
In 1273, Rudolf of Habsburg was elected king of Germany, ending the interregnum and beginning the Habsburg rise (Central Europe).
DocumentedHistoryGeography: Central EuropePeriod: 1273
Common questions
Is 1273 a prime number?
No, 1273 is not prime.
What are the factors of 1273?
The factors of 1273 are 1, 19, 67, 1273.
What is 1273 in Roman numerals?
1273 in Roman numerals is MCCLXXIII.
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: 15 July 2026