Monday, October 7, 2013

1570

1570 = 2 x 5 x 157.

1570 has two representations as a sum of two squares: 1570 = 72 + 392 = 272 + 292.

1570 is a divisor of 1312 - 1.

1570 is the sum of all composite numbers between the 36th and 38th prime numbers (A174520).

1570 uses only the digits 0, 1, 2, 3, and 4 when expressed in every base from 2 to 9.


Source: On-Line Encyclopedia of Integer Sequences

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