149 (number)
Encyclopedia : 1 : 14 : 149 : 149 (number)
149 is the natural number between 148 and 150. It is also a prime number.
| #redirect | |
| Ordinal | One hundred [and] forty-nine |
| Cardinal | 149th |
| Factorization | prime number |
| Roman numerals | CXLIX |
| Binary | 10010101 |
In mathematics
149 is the 35th prime number, and with the next prime number, 151, is a twin prime, thus 149 is a Chen prime. 149 is a strong prime in the sense that it is more than the arithmetic mean of its two neighboring primes. 149 is an Eisenstein prime with no imaginary part and a real part of the form [3n - 1].
Given 149, the Mertens function returns 0. 149 is a tribonacci number.
149 is a strictly non-palindromic number.
In other fields
One hundred [and] forty-nine is also:
From Wikipedia, the Free Encyclopedia. Original article here. Support Wikipedia by contributing or donating.
All text is available under the terms of the GNU Free Documentation License See Wikipedia Copyrights for details.