1901
1901 is the year the first Nobel Prizes were awarded.
- Odd
- Prime
Where 1901 fits
Why 1901 is special
Nobel's will directed his fortune to prizes for those who conferred the greatest benefit on humankind, and his family contested it for years. He had made that fortune from dynamite, and a premature obituary condemning him as a merchant of death is commonly credited with prompting the bequest.
1901 connects to:
- historical years — appears in
- 1898 — appears alongside
Same number, different meanings
How 1901 is understood across different contexts — never implying one meaning because of another.
- Mathematics
Nobel's will directed his fortune to prizes for those who conferred the greatest benefit on humankind, and his family contested it for years. He had made that fortune from dynamite, and a premature obituary condemning him as a merchant of death is commonly credited with prompting the bequest.
- History
In 1901, the first Nobel Prizes were awarded, and Marconi received a transatlantic radio signal (Europe).
- Technology & computing
IEEE 1901 specifies broadband over power line, used by consumer powerline adapters. Performance depends heavily on the wiring, which was never designed to carry signals.
1901 is part of
Factors & digit properties
- Divisors (2)
- 1, 1901
- Prime factorisation
- 1901
- Digit sum
- 11
- Digital root
- 2
Representations
- Decimal
- 1901
- Scientific notation
- 1.901 × 10^3
Roman numerals
M C M I
MCMI uses the subtractive pair CM: a hundred before a thousand — a thousand minus a hundred.
Binary
1 1 1 0 1 1 0 1 1 0 1
1 × 1,024 + 1 × 512 + 1 × 256 + 0 × 128 + 1 × 64 + 1 × 32 + 0 × 16 + 1 × 8 + 1 × 4 + 0 × 2 + 1 × 1 = 1,901
Octal
3 5 5 5
3 × 512 + 5 × 64 + 5 × 8 + 5 × 1 = 1,901
Hexadecimal
7 6 d
7 × 256 + 6 × 16 + d × 1 = 1,901
Read as powers of two: 1,024 + 512 + 256 + 64 + 32 + 8 + 4 + 1 = 1,901.
In historical numeral systems
Egyptian
1 lotus, 9 coils of rope, 1 stroke
1 × 1,000 + 9 × 100 + 1 × 1 = 1,901. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Babylonian
3 corner wedges + 1 vertical wedge (sixties place), 4 corner wedges + 1 vertical wedge (units place)
31 × 60 + 41 = 1901. 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
- Sophie Germain prime
Related numbers & connections
1901 is a year in the 20th century, in the 1900s.
Numbers Around Us
- appears inHistorical years
why?
Strength 0.50, confidence "high".
- appears alongside1898
why?
Strength 0.50, confidence "high".
History
In 1901, the first Nobel Prizes were awarded, and Marconi received a transatlantic radio signal (Europe).
DocumentedHistoryGeography: EuropePeriod: 1901The first Nobel Prizes were awarded in 1901 after Nobel's family spent years contesting a will directing his dynamite fortune to prizes for benefit to humankind. A premature obituary calling him a merchant of death is widely credited with prompting it, though the account is hard to verify.
DocumentedHistoryPeriod: 1901
Technology & computing
IEEE 1901 specifies broadband over power line, used by consumer powerline adapters. Performance depends heavily on the wiring, which was never designed to carry signals.
DocumentedTechnology & computingGeography: International — IEEEPeriod: 2010–
Common questions
Is 1901 a prime number?
Yes, 1901 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 1901?
The factors of 1901 are 1, 1901.
What is 1901 in Roman numerals?
1901 in Roman numerals is MCMI. CM is subtractive: a hundred before a thousand — a thousand minus a hundred. Written additively it would be MDCCCCI, 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