149

This number is a prime.

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149 in binary is 10010101. The zeros are in prime positions 2, 3, 5 and 7, when read left-to-right. These are the four single-digit prime numbers. [Homewood]

The smallest number that is the sum of proper substrings of its reversal: 149 = 9 + 4 + 1 + 94 + 41. [Homewood]

149-0 is the world record for a football match between A S Adema and Stade Olympic L'Emyrne in Madagascar. The winners never gained possession in the entire match. [Homewood]

There are 149 years between the discovery of Uranus in 1781 and the discovery of Pluto in 1930 [Homewood]