Thursday, June 16, 2011

148

148 = 22 x 37.

148 has a representation as a sum of two squares: 148 = 22 + 122.

148 is a heptagonal number. It is also a centered heptagonal number.

148 is the number of perfect graphs with six vertices.

148 x (14 + 8) = 143 + 83 = 3256.

Three square numbers using the same digits: 1482 = 21904; 2032 = 41209; and 3022 = 91204.

The astronomical object Arp 148 is the spectacular aftermath of an encounter between two galaxies.

Source: Numeropedia

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