1980

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 6 (4 unique) factors are:
2² = 4
3² = 9
5
11

Its 36 divisors are:
1
2
3
4
5
6
9
10
11
12
15
18
20
22
30
33
36
44
45
55
60
66
90
99
110
132
165
180
198
220
330
396
495
660
990
1980
Its aliquote sum is:
4572
makeing it a abundant number.

The number appears at position 6633 of the decimal digits of π surrounded by
34967151881909730381198004973407239610368540 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: 802.06ms; cpu: 70.9890000000009ms)