1683

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
11
17

Its 12 divisors are:
1
3
9
11
17
33
51
99
153
187
561
1683
Its aliquote sum is:
1125
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:ړ ARABIC LETTER REH WITH RING in Arabic (Source: https://ucdapi.org/unicode/latest/codepoint/dec/1683); HTML: ړ

The number appears at position 6242 of the decimal digits of π surrounded by
77024242916513005005168323364350389517029893 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: 854.954ms; cpu: 63.4110000000003ms)