118
118 chemical elements are currently named and recognised.
- Even
- Composite
Where 118 fits
Why 118 is special
Everything up to 118 is complete with no gaps, and the last few exist only as a handful of atoms lasting milliseconds. Elements beyond 118 would begin a new period of the table, and whether the table has a natural end is an open question.
Factors & digit properties
- Divisors (4)
- 1, 2, 59, 118
- Prime factorisation
- 2 × 59
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 118
- Binary
- 1110110
- Octal
- 166
- Hexadecimal
- 76
- Roman numeral
- CXVIII
- Scientific notation
- 1.180 × 10^2
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
The periodic table is complete without gaps to element 118. Everything past uranium at 92 is synthetic, and the heaviest few exist only as a handful of atoms lasting milliseconds.
View 98 →Other connections
- is associated with98
why?
Strength 0.50, confidence "high".
Science
The periodic table is filled without gaps to element 118, and the heaviest few exist only as a handful of atoms surviving milliseconds. Anything beyond 118 would start a new period, and whether the table has a natural limit is unresolved.
DocumentedScience
Common questions
Is 118 a prime number?
No, 118 is not prime.
What are the factors of 118?
The factors of 118 are 1, 2, 59, 118.
What is 118 in Roman numerals?
118 in Roman numerals is CXVIII.
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