1948
1948 is the year the State of Israel was declared and the UK's National Health Service began.
- Even
- Composite
Where 1948 fits
Why 1948 is special
The two events are unconnected and both are heavily referenced. 1948 is also the year the Universal Declaration of Human Rights was adopted, making it one of the densest years in the post-war settlement.
Same number, different meanings
How 1948 is understood across different contexts — never implying one meaning because of another.
- Mathematics
The two events are unconnected and both are heavily referenced. 1948 is also the year the Universal Declaration of Human Rights was adopted, making it one of the densest years in the post-war settlement.
- History
In 1948, the National Health Service was established in Britain, and the Universal Declaration of Human Rights was adopted (Britain and global).
- Technology & computing
In 1948, Bell Labs announced the transistor, which replaced the vacuum tube and made everything after it possible (United States).
1948 is part of
Factors & digit properties
- Divisors (6)
- 1, 2, 4, 487, 974, 1948
- Prime factorisation
- 2^2 × 487
- Digit sum
- 22
- Digital root
- 4
Representations
- Decimal
- 1948
- Scientific notation
- 1.948 × 10^3
Roman numerals
M C M X L V I I I
MCMXLVIII uses the subtractive pair XL: ten before fifty — fifty minus ten.
Binary
1 1 1 1 0 0 1 1 1 0 0
1 × 1,024 + 1 × 512 + 1 × 256 + 1 × 128 + 0 × 64 + 0 × 32 + 1 × 16 + 1 × 8 + 1 × 4 + 0 × 2 + 0 × 1 = 1,948
Octal
3 6 3 4
3 × 512 + 6 × 64 + 3 × 8 + 4 × 1 = 1,948
Hexadecimal
7 9 c
7 × 256 + 9 × 16 + c × 1 = 1,948
Read as powers of two: 1,024 + 512 + 256 + 128 + 16 + 8 + 4 = 1,948.
In historical numeral systems
Egyptian
1 lotus, 9 coils of rope, 4 hobbles, 8 strokes
1 × 1,000 + 9 × 100 + 4 × 10 + 8 × 1 = 1,948. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
3 corner wedges + 2 vertical wedges (sixties place), 2 corner wedges + 8 vertical wedges (units place)
32 × 60 + 28 = 1948. 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
Related numbers & connections
1948 is a year in the 20th century, in the 1940s.
South Africa's first democratic election in 1994 ended a system formalised in 1948. The Universal Declaration of Human Rights was adopted the same year the system began.
View 1994 →History
In 1948, the National Health Service was established in Britain, and the Universal Declaration of Human Rights was adopted (Britain and global).
DocumentedHistoryGeography: Britain and globalPeriod: 19481948 saw the declaration of the State of Israel in May, the founding of the United Kingdom's National Health Service in July, and the adoption of the Universal Declaration of Human Rights in December. The three are unconnected; together they make it one of the densest years of the post-war settlement.
DocumentedHistoryPeriod: 1948
Technology & computing
In 1948, Bell Labs announced the transistor, which replaced the vacuum tube and made everything after it possible (United States).
DocumentedTechnology & computingGeography: United StatesPeriod: 1948
Common questions
Is 1948 a prime number?
No, 1948 is not prime.
What are the factors of 1948?
The factors of 1948 are 1, 2, 4, 487, 974, 1948.
What is 1948 in Roman numerals?
1948 in Roman numerals is MCMXLVIII. XL is subtractive: ten before fifty — fifty minus ten. Written additively it would be MDCCCCXXXXVIII, 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: 3 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 15 July 2026