| Base 10 | 121 (3 digits) | ||
| Digit Sum: 4 | Digital Root: 4 | sad | |
| Base 2 | 0b1111001 (7 digits) | ||
| Digit Sum: 0b101 | Digital Root: 0b1 | always happy | |
| Base 8 | 0171 (3 digits) | ||
| Digit Sum: 011 | Digital Root: 02 | sad | |
| Base 16 | 0x79 (2 digits) | ||
| Digit Sum: 0x10 | Digital Root: 0x1 | happy | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 2 (1 unique) factors are:
112 = 121
Its 3 divisors are:
1
11
121
Its aliquote sum is: 
12
makeing it a
deficient
number.
| In HTML this number represents this color: | 
 ⇧↑⇧↑⇧↑ #000079 ⇩↓⇩↓⇩↓  | 
As Unicode codepoint (since version 1.1) this number represents this character:y LATIN SMALL LETTER Y in ASCII (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: y
In the work of Johann Sebastian Bach BWV 121 is Christum wir sollen loben schon
The number appears at position 710 of the decimal digits of π surrounded by
9689258923542019956112129021960864034418159 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: 729.573ms; cpu: 85.4430000000006ms)