665

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:
5
7
19

Its 8 divisors are:
1
5
7
19
35
95
133
665
Its aliquote sum is:
295
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:ʙ LATIN LETTER SMALL CAPITAL B in IPA_Ext (Source: https://ucdapi.org/unicode/latest/codepoint/dec/665); HTML: ʙ

In the work of Johann Sebastian Bach BWV 665 is Jesus Christus, unser Heiland, der von uns den Gotteszorn wand (sub communione, pedaliter)

The number appears at position 211 of the decimal digits of π surrounded by
5493038196442881097566593344612847564823378 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: 915.593ms; cpu: 82.935ms)