| Base 10 | 561 (3 digits) | ||
| Digit Sum: 12 | Digital Root: 3 | sad | |
| Base 2 | 0b1000110001 (10 digits) | ||
| Digit Sum: 0b100 | Digital Root: 0b1 | always happy | |
| Base 8 | 01061 (4 digits) | ||
| Digit Sum: 010 | Digital Root: 01 | sad | |
| Base 16 | 0x231 (3 digits) | ||
| Digit Sum: 0x6 | Digital Root: 0x6 | sad | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 3 (3 unique) factors are:
3
11
17
Its 8 divisors are:
1
3
11
17
33
51
187
561
Its aliquote sum is:
303
makeing it a
deficient
number.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #000231 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 3.0) this number represents this character:ȱ LATIN SMALL LETTER O WITH DOT ABOVE AND MACRON in Latin_Ext_B (Source: https://ucdapi.org/unicode/latest/codepoint/dec/561); HTML: ȱ
In the work of Johann Sebastian Bach BWV 561 is Fantasie und Fuge in a
The number appears at position 707 of the decimal digits of π surrounded by
2279689258923542019956112129021960864034418 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: 1039.537ms; cpu: 92.8109999999993ms)