149 (number)

From Freepedia

149 is the natural number between 148 and 150. It is also a prime number.

List of numbers -- Integers << 100 110 120 130 140 150 160 170 180 190 >>
Ordinal	One hundred [and] forty-nine
Cardinal	149th
Factorization	prime number
Roman numerals	CXLIX
Binary	10010111

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 an Eisenstein prime with no imaginary part and a real part of the form <math>3n - 1</math>. Given 149, the Mertens function returns 0. 149 is a tribonacci number.

149 is a strictly non-palindromic number.

One hundred forty-nine is also:

• The year AD 149 or 149 BC.