9955

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 3 (3 unique) factors are:
5
11
181

Its 8 divisors are:
1
5
11
55
181
905
1991
9955
Its aliquote sum is:
3149
makeing it a deficient number.

As Unicode codepoint (since version 5.2) this number represents this character:⛣ HEAVY CIRCLE WITH STROKE AND TWO DOTS ABOVE in Misc_Symbols (Source: https://ucdapi.org/unicode/latest/codepoint/dec/9955); HTML: ⛣

The number appears at position 9158 of the decimal digits of π surrounded by
47939425902989695946995565761218656196733786 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: 814.64ms; cpu: 79.117999999994ms)