8000

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 9 (2 unique) factors are:
2⁶ = 64
5³ = 125

Its 28 divisors are:
1
2
4
5
8
10
16
20
25
32
40
50
64
80
100
125
160
200
250
320
400
500
800
1000
1600
2000
4000
8000
Its aliquote sum is:
11812
makeing it a abundant number.

As Unicode codepoint (since version 1.1) this number represents this character:ὀ GREEK SMALL LETTER OMICRON WITH PSILI in Greek_Ext (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: ὀ

The number appears at position 1597 of the decimal digits of π surrounded by
17574672890977772793800081647060016145249192 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: 995.348ms; cpu: 66.5379999999995ms)