| Base 10 | 981 (3 digits) | ||
| Digit Sum: 18 | Digital Root: 9 | sad | |
| Base 2 | 0b1111010101 (10 digits) | ||
| Digit Sum: 0b111 | Digital Root: 0b1 | always happy | |
| Base 8 | 01725 (4 digits) | ||
| Digit Sum: 017 | Digital Root: 01 | sad | |
| Base 16 | 0x3d5 (3 digits) | ||
| Digit Sum: 0x15 | Digital Root: 0x6 | sad | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 3 (2 unique) factors are:
32 = 9
109
Its 6 divisors are:
1
3
9
109
327
981
Its aliquote sum is:
449
makeing it a
deficient
number.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #0003D5 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 1.1) this number represents this character:ϕ GREEK PHI SYMBOL in Greek (Source: https://ucdapi.org/unicode/latest/codepoint/dec/981); HTML: ϕ
In the work of Johann Sebastian Bach BWV 981 is Concerto in c
The number appears at position 732 of the decimal digits of π surrounded by
1290219608640344181598136297747713099605187 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: 911.361ms; cpu: 106.417ms)