1974
1974 is the year a US president resigned over Watergate.
- Even
- Composite
Where 1974 fits
Why 1974 is special
Nixon left office facing certain impeachment, the only American president to resign. The investigation established the modern expectation that a leader's private recordings and communications can become public evidence.
1974 connects to:
- historical years — appears in
- 2013 — contrasts with
Same number, different meanings
How 1974 is understood across different contexts — never implying one meaning because of another.
- Mathematics
Nixon left office facing certain impeachment, the only American president to resign. The investigation established the modern expectation that a leader's private recordings and communications can become public evidence.
- History
In 1974, the Rubik's Cube was invented, and Lucy, an early hominin skeleton, was found in Ethiopia.
- Law & regulation
Nixon resigned facing certain impeachment, the only US president to do so. The investigation established the modern expectation that a leader's private tapes and communications can be compelled into the open.
1974 is part of
Factors & digit properties
- Divisors (16)
- 1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974
- Prime factorisation
- 2 × 3 × 7 × 47
- Digit sum
- 21
- Digital root
- 3
Representations
- Decimal
- 1974
- Scientific notation
- 1.974 × 10^3
Roman numerals
M C M L X X I V
MCMLXXIV uses the subtractive pair IV: one before five — five minus one.
Binary
1 1 1 1 0 1 1 0 1 1 0
1 × 1,024 + 1 × 512 + 1 × 256 + 1 × 128 + 0 × 64 + 1 × 32 + 1 × 16 + 0 × 8 + 1 × 4 + 1 × 2 + 0 × 1 = 1,974
Octal
3 6 6 6
3 × 512 + 6 × 64 + 6 × 8 + 6 × 1 = 1,974
Hexadecimal
7 b 6
7 × 256 + b × 16 + 6 × 1 = 1,974
Read as powers of two: 1,024 + 512 + 256 + 128 + 32 + 16 + 4 + 2 = 1,974.
In historical numeral systems
Egyptian
1 lotus, 9 coils of rope, 7 hobbles, 4 strokes
1 × 1,000 + 9 × 100 + 7 × 10 + 4 × 1 = 1,974. 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), 5 corner wedges + 4 vertical wedges (units place)
32 × 60 + 54 = 1974. 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
1974 is a year in the 20th century, in the 1970s.
Watergate established in 1974 that a leader's private recordings could become public evidence; the 2013 disclosures established how much the state was recording of everyone else.
View 2013 →Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
Other connections
- contrasts with2013
why?
Strength 0.50, confidence "high".
History
In 1974, the Rubik's Cube was invented, and Lucy, an early hominin skeleton, was found in Ethiopia.
DocumentedHistoryGeography: globalPeriod: 1974
Law & regulation
Nixon resigned facing certain impeachment, the only US president to do so. The investigation established the modern expectation that a leader's private tapes and communications can be compelled into the open.
DocumentedLaw & regulationGeography: United StatesPeriod: 1974
Common questions
Is 1974 a prime number?
No, 1974 is not prime.
What are the factors of 1974?
The factors of 1974 are 1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974.
What is 1974 in Roman numerals?
1974 in Roman numerals is MCMLXXIV. IV is subtractive: one before five — five minus one. Written additively it would be MDCCCCLXXIIII, 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: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 15 July 2026