42

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:
2
3
7

Its 8 divisors are:
1
2
3
6
7
14
21
42
Its aliquote sum is:
54
makeing it a abundant number.

As Unicode codepoint (since version 1.1) this number represents this character:* ASTERISK in ASCII (Source: https://ucdapi.org/unicode/latest/codepoint/dec/42); HTML: *

In the work of Johann Sebastian Bach BWV 42 is Am Abend aber desselbigen Sabbats (Concerto da chiesa)

The number appears at position 92 of the decimal digits of π surrounded by
628620899862803482534211706798214808651328 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: 1048.247ms; cpu: 95.0879999999987ms)