1680

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 7 (4 unique) factors are:
2⁴ = 16
3
5
7

Its 40 divisors are:
1
2
3
4
5
6
7
8
10
12
14
15
16
20
21
24
28
30
35
40
42
48
56
60
70
80
84
105
112
120
140
168
210
240
280
336
420
560
840
1680
Its aliquote sum is:
4272
makeing it a abundant number.

As Unicode codepoint (since version 1.1) this number represents this character:ڐ ARABIC LETTER DAL WITH FOUR DOTS ABOVE in Arabic (Source: https://ucdapi.org/unicode/latest/codepoint/dec/1680); HTML: ڐ

The number appears at position 13798 of the decimal digits of π surrounded by
91791552241718958536168059474123419339842021 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: 859.419ms; cpu: 82.2520000000004ms)