Wednesday, March 11, 2009

2701

2701 = 37 x 73.

2701 is a semiprime (a product of two primes) whose prime factors, 37 and 73, are reversals of each other.

2701 is the 73rd triangular number.

2701 is the smallest number n that divides the average of the nth prime and the primes on either side of it.

2701 has two representations as a sum of two squares: 2701 = 102 + 512 = 262 + 452.

2701 is the hypotenuse of two primitive Pythagorean triples: 27 012 = 10202 + 25012 = 13492 + 23402.

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