198 (number)
| ||||
|---|---|---|---|---|
| Cardinal | one hundred ninety-eight | |||
| Ordinal | 198th (one hundred ninety-eighth) | |||
| Factorization | 2 × 32× 11 | |||
| Divisors | 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198 | |||
| Greek numeral | ΡϞΗ´ | |||
| Roman numeral | CXCVIII | |||
| Binary | 110001102 | |||
| Ternary | 211003 | |||
| Quaternary | 30124 | |||
| Quinary | 12435 | |||
| Senary | 5306 | |||
| Octal | 3068 | |||
| Duodecimal | 14612 | |||
| Hexadecimal | C616 | |||
| Vigesimal | 9I20 | |||
| Base 36 | 5I36 | |||
198 (one hundred ninety-eight) is natural number after 197 and before 199.
In mathematics
[change | change source]- 198 is the smallest number that can be made by adding four positive square numbers in ten different ways.[1][2]
- 198 is a Pell–Lucas number. Its related Pell number is 70.[3]
References
[change | change source]- ↑ "198". NumberADay. Mathematical Association of America. 2012-10-25. Retrieved 2023-06-04.
- ↑ "A025366 - OEIS". oeis.org. Retrieved 2023-06-04.
- ↑ "A002203 - OEIS". oeis.org. Retrieved 2023-06-04.
