Friday, October 26, 2012

2142

2142 = 2 x 3 x 3 x 7 x 17.

2142 is a divisor of 554 - 1.

2142 is 32032 in base 5.

2142 is the sum of the totient function for the first 83 integers.

2142 is the number of ways of writing the number 63 as the sum of nine nonnegative cubes (A173682).

2142 is the sum of 10 consecutive primes (A127337): 2142 = 191 + 193 + 197 + 199 + 211 + 223 + 227 + 229 + 233 + 239.


Source: On-Line Encyclopedia of Integer Sequences

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