149 (number)
| ||||
|---|---|---|---|---|
| Cardinal | one hundred forty-nine | |||
| Ordinal | 149th (one hundred forty-ninth) | |||
| Factorization | prime | |||
| Divisors | 1, 149 | |||
| Greek numeral | ΡΜΘ´ | |||
| Roman numeral | CXLIX | |||
| Binary | 100101012 | |||
| Ternary | 121123 | |||
| Quaternary | 21114 | |||
| Quinary | 10445 | |||
| Senary | 4056 | |||
| Octal | 2258 | |||
| Duodecimal | 10512 | |||
| Hexadecimal | 9516 | |||
| Vigesimal | 7920 | |||
| Base 36 | 4536 | |||
149 is a natural number. It comes after 148 and before 150.
Properties
[change | change source]- 149 is a prime number. That means it can only be divided evenly by 1 and itself.
- It is the 35th prime number.
- When you reverse the digits of 149, you get 941, which is also a prime number. A prime that stays prime when its digits are reversed is called an emirp.