113
Nihonium is element 113, the first element named in Asia.
- Odd
- Prime
Where 113 fits
Why 113 is special
A Japanese team at RIKEN made three atoms over nine years and won the naming right against a Russian-American claim. Nihon is one of the Japanese names for Japan, making it the first element named by an Asian country.
113 is part of
Factors & digit properties
- Divisors (2)
- 1, 113
- Prime factorisation
- 113
- Digit sum
- 5
- Digital root
- 5
Representations
- Decimal
- 113
- Binary
- 1110001
- Octal
- 161
- Hexadecimal
- 71
- Roman numeral
- CXIII
- Scientific notation
- 1.130 × 10^2
Other mathematical patterns
- Deficient number
- Sophie Germain prime
Related numbers & connections
Nihonium and moscovium were confirmed together in 2016, the products of separate Japanese and Russian-American programmes running in parallel for a decade.
View 115 →Numbers Around Us
- appears alongside115
why?
Strength 0.50, confidence "high".
Science
RIKEN's team detected three atoms of element 113 across nine years of running an accelerator, and that was enough to secure the naming right over a competing claim. Nihonium is the first element named by a country in Asia.
DocumentedScienceGeography: Japan
Common questions
Is 113 a prime number?
Yes, 113 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 113?
The factors of 113 are 1, 113.
What is 113 in Roman numerals?
113 in Roman numerals is CXIII.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026