Monday, November 3, 2014

1130

1130 = 2 x 5 x 113. It is the product of three distinct Sophie Germain primes (A157346).

1130 is a Perrin number (A001608).

1130 is a number whose sum of digits is 5 (A052219). The sum of the digits of 1130 in base 2 (10001101010) is also 5 (A037308). It is a multiple of 5 with a digit sum of 5 (A069540).

Every base 6 digit of 1130 (5122) is a base 8 digit of 1130 (2152) (A037399).

1130 is the first of a pair of consecutive sphenic numbers (the product of three distinct primes) (A215217).

1130 has two representations as a sum of two squares: 1130 = 132 + 312 = 172 + 292.

1130 divides 698 - 1.


Source: What's Special About This Number?

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