1665

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 4 (3 unique) factors are:
3² = 9
5
37

Its 12 divisors are:
1
3
5
9
15
37
45
111
185
333
555
1665
Its aliquote sum is:
1299
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:ځ ARABIC LETTER HAH WITH HAMZA ABOVE in Arabic (Source: https://ucdapi.org/unicode/latest/codepoint/dec/1665); HTML: ځ

The number appears at position 9025 of the decimal digits of π surrounded by
97069536534940603402166544375589004563288225 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: 870.472ms; cpu: 78.990000000001ms)