1404
1404 is a year in the 15th century. Owain Glyndwr held a parliament at Machynlleth and was crowned Prince of Wales (Wales).
- Even
- Composite
Where 1404 fits
Why 1404 is special
1404 has a profile because of what happened in it rather than because of any property of the number: Owain Glyndwr held a parliament at Machynlleth and was crowned Prince of Wales (Wales).
1404 is part of
Factors & digit properties
- Divisors (24)
- 1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404
- Prime factorisation
- 2^2 × 3^3 × 13
- Digit sum
- 9
- Digital root
- 9
Representations
- Decimal
- 1404
- Scientific notation
- 1.404 × 10^3
Roman numerals
M C D I V
MCDIV uses the subtractive pair IV: one before five — five minus one.
Binary
1 0 1 0 1 1 1 1 1 0 0
1 × 1,024 + 0 × 512 + 1 × 256 + 0 × 128 + 1 × 64 + 1 × 32 + 1 × 16 + 1 × 8 + 1 × 4 + 0 × 2 + 0 × 1 = 1,404
Octal
2 5 7 4
2 × 512 + 5 × 64 + 7 × 8 + 4 × 1 = 1,404
Hexadecimal
5 7 c
5 × 256 + 7 × 16 + c × 1 = 1,404
Read as powers of two: 1,024 + 256 + 64 + 32 + 16 + 8 + 4 = 1,404.
In historical numeral systems
Egyptian
1 lotus, 4 coils of rope, 4 strokes
1 × 1,000 + 4 × 100 + 4 × 1 = 1,404. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
2 corner wedges + 3 vertical wedges (sixties place), 2 corner wedges + 4 vertical wedges (units place)
23 × 60 + 24 = 1404. 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
- Abundant number
- Harshad (Niven) number
Related numbers & connections
1404 is a year in the 15th century, in the 1400s.
Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
History
In 1404, Owain Glyndwr held a parliament at Machynlleth and was crowned Prince of Wales (Wales).
DocumentedHistoryGeography: WalesPeriod: 1404
Common questions
Is 1404 a prime number?
No, 1404 is not prime.
What are the factors of 1404?
The factors of 1404 are 1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404.
What is 1404 in Roman numerals?
1404 in Roman numerals is MCDIV. IV is subtractive: one before five — five minus one. Written additively it would be MCCCCIIII, which Roman inscriptions used freely — the strict subtractive form is a later convention.
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