1270
1270 is a year in the 13th century. Louis IX died of disease at Tunis on the Eighth Crusade (North Africa).
- Even
- Composite
Where 1270 fits
Why 1270 is special
1270 has a profile because of what happened in it rather than because of any property of the number: Louis IX died of disease at Tunis on the Eighth Crusade (North Africa).
1270 is part of
Factors & digit properties
- Divisors (8)
- 1, 2, 5, 10, 127, 254, 635, 1270
- Prime factorisation
- 2 × 5 × 127
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 1270
- Scientific notation
- 1.270 × 10^3
Roman numerals
M C C L X X
Binary
1 0 0 1 1 1 1 0 1 1 0
1 × 1,024 + 0 × 512 + 0 × 256 + 1 × 128 + 1 × 64 + 1 × 32 + 1 × 16 + 0 × 8 + 1 × 4 + 1 × 2 + 0 × 1 = 1,270
Octal
2 3 6 6
2 × 512 + 3 × 64 + 6 × 8 + 6 × 1 = 1,270
Hexadecimal
4 f 6
4 × 256 + f × 16 + 6 × 1 = 1,270
Read as powers of two: 1,024 + 128 + 64 + 32 + 16 + 4 + 2 = 1,270.
In historical numeral systems
Egyptian
1 lotus, 2 coils of rope, 7 hobbles
1 × 1,000 + 2 × 100 + 7 × 10 = 1,270. 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 (units place)
21 × 60 + 10 = 1270. 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
- Harshad (Niven) number
Related numbers & connections
1270 is a year in the 13th century, in the 1270s.
Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
History
In 1270, Louis IX died of disease at Tunis on the Eighth Crusade (North Africa).
DocumentedHistoryGeography: North AfricaPeriod: 1270
Common questions
Is 1270 a prime number?
No, 1270 is not prime.
What are the factors of 1270?
The factors of 1270 are 1, 2, 5, 10, 127, 254, 635, 1270.
What is 1270 in Roman numerals?
1270 in Roman numerals is MCCLXX.
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