680

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 5 (3 unique) factors are:
2³ = 8
5
17

Its 16 divisors are:
1
2
4
5
8
10
17
20
34
40
68
85
136
170
340
680
Its aliquote sum is:
940
makeing it a abundant number.

As Unicode codepoint (since version 1.1) this number represents this character:ʨ LATIN SMALL LETTER TC DIGRAPH WITH CURL in IPA Extensions (Source: https://unicode-api.aaronluna.dev/v1/codepoints/2a8?show_props=Basic); HTML: ʨ

The number appears at position 966 of the decimal digits of π surrounded by
9577818577805321712268066130019278766111959 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: 1122.893ms; cpu: 79.499ms)