5973

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 3 (3 unique) factors are:
3
11
181

Its 8 divisors are:
1
3
11
33
181
543
1991
5973
Its aliquote sum is:
2763
makeing it a deficient number.

The number appears at position 782 of the decimal digits of π surrounded by
99999983729780499510597317328160963185950244 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 809.154ms; cpu: 72.7800000000229ms)