1717
1717 is the year Newton fixed the value of the pound against gold.
- Odd
- Composite
Where 1717 fits
Why 1717 is special
As Master of the Mint he set a gold price that lasted, with interruptions, until 1931. Britain was effectively on a gold standard by accident of an exchange rate he chose.
Same number, different meanings
How 1717 is understood across different contexts — never implying one meaning because of another.
- Mathematics
As Master of the Mint he set a gold price that lasted, with interruptions, until 1931. Britain was effectively on a gold standard by accident of an exchange rate he chose.
- History
In 1717, the first Grand Lodge of Freemasons was formed in London (England).
- Finance & economics
Newton set the mint price of gold in 1717 to correct a silver drain, and the ratio he chose put Britain on gold in practice. The formal gold standard followed a century later.
1717 is part of
Factors & digit properties
- Divisors (4)
- 1, 17, 101, 1717
- Prime factorisation
- 17 × 101
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 1717
- Scientific notation
- 1.717 × 10^3
Roman numerals
M D C C X V I I
Binary
1 1 0 1 0 1 1 0 1 0 1
1 × 1,024 + 1 × 512 + 0 × 256 + 1 × 128 + 0 × 64 + 1 × 32 + 1 × 16 + 0 × 8 + 1 × 4 + 0 × 2 + 1 × 1 = 1,717
Octal
3 2 6 5
3 × 512 + 2 × 64 + 6 × 8 + 5 × 1 = 1,717
Hexadecimal
6 b 5
6 × 256 + b × 16 + 5 × 1 = 1,717
Read as powers of two: 1,024 + 512 + 128 + 32 + 16 + 4 + 1 = 1,717.
In historical numeral systems
Egyptian
1 lotus, 7 coils of rope, 1 hobble, 7 strokes
1 × 1,000 + 7 × 100 + 1 × 10 + 7 × 1 = 1,717. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
2 corner wedges + 8 vertical wedges (sixties place), 3 corner wedges + 7 vertical wedges (units place)
28 × 60 + 37 = 1717. 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
- Happy number
- Pentagonal number
- Semiprime
Related numbers & connections
1717 is a year in the 18th century, in the 1710s.
Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
History
In 1717, the first Grand Lodge of Freemasons was formed in London (England).
DocumentedHistoryGeography: EnglandPeriod: 1717
Finance & economics
Newton set the mint price of gold in 1717 to correct a silver drain, and the ratio he chose put Britain on gold in practice. The formal gold standard followed a century later.
DocumentedFinance & economicsGeography: Great BritainPeriod: 1717
Common questions
Is 1717 a prime number?
No, 1717 is not prime.
What are the factors of 1717?
The factors of 1717 are 1, 17, 101, 1717.
What is 1717 in Roman numerals?
1717 in Roman numerals is MDCCXVII.
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