161 (number)
161 (one hundred sixty-one) is a natural number. It comes after 160 and before 162.
| ||||
|---|---|---|---|---|
| Cardinal | one hundred and sixty-one | |||
| Ordinal | 161st (one hundred and sixty-first) | |||
| Factorization | 7 · 23 | |||
| Roman numeral | CLXI | |||
| Binary | 101000012 | |||
| Ternary | 122223 | |||
| Quaternary | 22014 | |||
| Quinary | 11215 | |||
| Senary | 4256 | |||
| Octal | 2418 | |||
| Duodecimal | 11512 | |||
| Hexadecimal | A116 | |||
| Vigesimal | 8120 | |||
| Base 36 | 4H36 | |||
In mathematics
- 161 is an odd number.
- It is a composite number. This means it has factors other than 1 and itself.
- The prime factorization of 161 is 7×23.