1520
1520 is the year of the Field of the Cloth of Gold.
- Even
- Composite
Where 1520 fits
Why 1520 is special
Henry VIII and Francis I met for eighteen days of competitive display costing both kingdoms enormous sums. It produced no lasting alliance whatever.
1520 is part of
Factors & digit properties
- Divisors (20)
- 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520
- Prime factorisation
- 2^4 × 5 × 19
- Digit sum
- 8
- Digital root
- 8
Representations
- Decimal
- 1520
- Scientific notation
- 1.520 × 10^3
Roman numerals
M D X X
Binary
1 0 1 1 1 1 1 0 0 0 0
1 × 1,024 + 0 × 512 + 1 × 256 + 1 × 128 + 1 × 64 + 1 × 32 + 1 × 16 + 0 × 8 + 0 × 4 + 0 × 2 + 0 × 1 = 1,520
Octal
2 7 6 0
2 × 512 + 7 × 64 + 6 × 8 + 0 × 1 = 1,520
Hexadecimal
5 f 0
5 × 256 + f × 16 + 0 × 1 = 1,520
Read as powers of two: 1,024 + 256 + 128 + 64 + 32 + 16 = 1,520.
In historical numeral systems
Egyptian
1 lotus, 5 coils of rope, 2 hobbles
1 × 1,000 + 5 × 100 + 2 × 10 = 1,520. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
2 corner wedges + 5 vertical wedges (sixties place), 2 corner wedges (units place)
25 × 60 + 20 = 1520. 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
- Pentagonal number
- Harshad (Niven) number
Related numbers & connections
1520 is a year in the 16th century, in the 1520s.
The Field of the Cloth of Gold in 1520 produced no alliance at all; the 1554 marriage treaty between England and Spain was written to limit what an alliance could do.
View 1554 →Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
Other connections
- contrasts with1554
why?
Strength 0.50, confidence "high".
History
In 1520, Suleiman became Ottoman sultan and ruled for forty-six years (Anatolia).
DocumentedHistoryGeography: AnatoliaPeriod: 1520The 1520 summit between England and France involved temporary palaces, fountains running with wine and a wrestling match between the two kings. No durable diplomatic outcome followed, which was noted at the time.
DocumentedHistoryGeography: England and FrancePeriod: 1520
Common questions
Is 1520 a prime number?
No, 1520 is not prime.
What are the factors of 1520?
The factors of 1520 are 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520.
What is 1520 in Roman numerals?
1520 in Roman numerals is MDXX.
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