Wednesday, March 14, 2012

1041

1041 = 3 x 347.

1041 is 13131 in base 5 and 545 in base 14.

1041, 1042, and 1043 are each semiprimes (the product of two primes) (A056809). 1041 is also the smallest of three consecutive squarefree numbers (A073251).

The sum of the digits of the product of the factorial of the digits of 1041 (1! x 0! x 4! x 1! = 24) is equal to the sum of the digits of 1041 (A082939): 1 + 0 + 4 + 1 = 6 = 2 + 4.


Source: On-Line Encyclopedia of Integer Sequences

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