9980

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 4 (3 unique) factors are:
2² = 4
5
499

Its 12 divisors are:
1
2
4
5
10
20
499
998
1996
2495
4990
9980
Its aliquote sum is:
11020
makeing it a abundant number.

As Unicode codepoint (since version 5.2) this number represents this character:⛼ HEADSTONE GRAVEYARD SYMBOL in Misc_Symbols (Source: https://ucdapi.org/unicode/latest/codepoint/dec/9980); HTML: ⛼

The number appears at position 8012 of the decimal digits of π surrounded by
42503912757710284027998066365825488926488025 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: 842.445ms; cpu: 93.4209999999993ms)