198 (number)
Natural number
From Wikipedia, the free encyclopedia
198 (one hundred [and] ninety-eight) is the natural number following 197 and preceding 199.
Cardinalone hundred ninety-eight
Ordinal198th
(one hundred ninety-eighth)
(one hundred ninety-eighth)
Factorization2 × 32 × 11
Divisors1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
| ||||
|---|---|---|---|---|
| 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, cxcviii | |||
| Binary | 110001102 | |||
| Ternary | 211003 | |||
| Senary | 5306 | |||
| Octal | 3068 | |||
| Duodecimal | 14612 | |||
| Hexadecimal | C616 | |||
In mathematics
- 198 is the smallest number that can be written as a sum of four positive squares in ten different ways.[1][2]
- 198 is a Pell–Lucas number. Its corresponding Pell number is 70.[3]
