- 149 (number)
**149**is thenatural number between 148 and 150. It is also aprime number .**In mathematics**149 is the 35th

prime number , and with the next prime number, 151, is atwin prime , thus 149 is aChen prime . 149 is astrong prime in the sense that it is more than the arithmetic mean of its two neighboring primes. 149 is anEisenstein 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 , meaning that it is not palindromic in any base from binary to base 147. However, in base 10, it is afull reptend prime , since the decimal expansion of 1/149 repeats 0067114093959731543624161073825503355704697986577181208053691275167785234899328859060402684563758389261744966442953020134228187919463087248322147651 infinitely.**In other fields****One hundred [and] forty-nine**is also:

* The year ADor149 149 BC .

* The number of the flagship Montblanc Meisterstück pen, Meisterstück 149.

*Wikimedia Foundation.
2010.*