Sunday, April 30, 2017

Number of the day: 503135

Carl Friedrich Gauss was born on this day 240 years ago.

Claude Shannon was born on this day 101 years ago.

Properties of the number 503135:

503135 = 5 × 47 × 2141 is a sphenic number and squarefree.
503135 has 3 distinct prime factors, 8 divisors, 19 antidivisors and 393760 totatives.
503135 has an emirp digit sum 17 in base 10.
Reversing the decimal digits of 503135 results in a semiprime.
503135 = 2515682 - 2515672 = 503162 - 503112 = 53762 - 53292 = 11882 - 9532 is the difference of 2 nonnegative squares in 4 ways.
503135 is the difference of 2 positive pentagonal numbers in 4 ways.
503135 is not the sum of 3 positive squares.
5031352 = 3282482 + 3813112 = 3018812 + 4025082 = 2083512 + 4579682 = 1081002 + 4913852 is the sum of 2 positive squares in 4 ways.
5031352 is the sum of 3 positive squares.
503135 is a divisor of 94120 - 1.

No comments:

Post a Comment