Gaspard Monge was born on this day 271 years ago.
Properties of the number 13143443117929:
13143443117929 is prime.13143443117929 has 21 antidivisors and 13143443117928 totatives.
Reversing the decimal digits of 13143443117929 results in a semiprime.
13143443117929 = 65717215589652 - 65717215589642 is the difference of 2 nonnegative squares in 1 way.
13143443117929 is the difference of 2 positive pentagonal numbers in 1 way.
13143443117929 = 10210052 + 34786482 is the sum of 2 positive squares in 1 way.
13143443117929 = 87032 + 194622 + 36253262 is the sum of 3 positive squares.
131434431179292 = 71034340024802 + 110585406978792 is the sum of 2 positive squares in 1 way.
131434431179292 is the sum of 3 positive squares.
13143443117929 is a divisor of 251547643463247 - 1.
13143443117929 is an emirp in (at least) the following bases: 12, 31, and 34.