| Base 10 | 9991 (4 digits) | ||
| Digit Sum: 28 | Digital Root: 1 | sad | |
| Base 2 | 0b10011100000111 (14 digits) | ||
| Digit Sum: 0b111 | Digital Root: 0b1 | always happy | |
| Base 8 | 023407 (5 digits) | ||
| Digit Sum: 020 | Digital Root: 02 | sad | |
| Base 16 | 0x2707 (4 digits) | ||
| Digit Sum: 0x10 | Digital Root: 0x1 | sad | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 2 (2 unique) factors are:
97
103
Its 4 divisors are:
1
97
103
9991
Its aliquote sum is:
201
makeing it a
deficient
number.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #002707 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 1.1) this number represents this character:✇ TAPE DRIVE in Dingbats (Source: https://ucdapi.org/unicode/latest/codepoint/dec/9991); HTML: ✇
The number appears at position 17561 of the decimal digits of π surrounded by
65262485473055861598999140170769838548318875 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: 805.478ms; cpu: 67.9800000000004ms)