690

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 4 (4 unique) factors are:
2
3
5
23

Its 16 divisors are:
1
2
3
5
6
10
15
23
30
46
69
115
138
230
345
690
Its aliquote sum is:
1038
makeing it a abundant number.

As Unicode codepoint (since version 1.1) this number represents this character:ʲ MODIFIER LETTER SMALL J in Modifier_Letters (Source: https://ucdapi.org/unicode/latest/codepoint/dec/690); HTML: ʲ

In the work of Johann Sebastian Bach BWV 690 is Wer nur den lieben Gott lässt walten (manualiter, mit beziffertem Choral)

The number appears at position 813 of the decimal digits of π surrounded by
0963185950244594553469083026425223082533446 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: 942.585ms; cpu: 106.587000000001ms)