| Base 10 | 555 (3 digits) | ||
| Digit Sum: 15 | Digital Root: 6 | sad | |
| Base 2 | 0b1000101011 (10 digits) | ||
| Digit Sum: 0b101 | Digital Root: 0b1 | always happy | |
| Base 8 | 01053 (4 digits) | ||
| Digit Sum: 011 | Digital Root: 02 | sad | |
| Base 16 | 0x22b (3 digits) | ||
| Digit Sum: 0xf | Digital Root: 0xf | happy | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 3 (3 unique) factors are:
3
5
37
Its 8 divisors are:
1
3
5
15
37
111
185
555
Its aliquote sum is: 
357
makeing it a
deficient
number.
| In HTML this number represents this color: | 
 ⇧↑⇧↑⇧↑ #00022B ⇩↓⇩↓⇩↓  | 
As Unicode codepoint (since version 3.0) this number represents this character:ȫ LATIN SMALL LETTER O WITH DIAERESIS AND MACRON in Latin_Ext_B (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: ȫ
In the work of Johann Sebastian Bach BWV 555 is Präludium und Fuge in e
The number appears at position 177 of the decimal digits of π surrounded by
4502841027019385211055596446229489549303819 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: 668.627ms; cpu: 83.5319999999982ms)