Thursday, May 22, 2014

2603

2603 = 19 x 137.

2603 divides 374 - 1.

The 2603rd prime minus 2603 gives a square and a fourth power (A064370 and A114067).

2603 is the smallest product of two distinct primes that is greater than 512 (A099610).

2603 is the sum of nine distinct positive pentatope numbers (A104399).


Source: OEIS

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