| Base 10 | 153 (3 digits) | ||
| Digit Sum: 9 | Digital Root: 9 | sad | |
| Base 2 | 0b10011001 (8 digits) | ||
| Digit Sum: 0b100 | Digital Root: 0b1 | always happy | |
| Base 8 | 0231 (3 digits) | ||
| Digit Sum: 06 | Digital Root: 06 | sad | |
| Base 16 | 0x99 (2 digits) | ||
| Digit Sum: 0x12 | Digital Root: 0x3 | 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
17
Its 6 divisors are:
1
3
9
17
51
153
Its aliquote sum is: 
81
makeing it a
deficient
number.
| In HTML this number represents this color: | 
 ⇧↑⇧↑⇧↑ #000099 ⇩↓⇩↓⇩↓  | 
In the work of Johann Sebastian Bach BWV 153 is Schau, lieber Gott, wie meine Feind
The number appears at position 344 of the decimal digits of π surrounded by
1520920962829254091715364367892590360011330 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: 672.063ms; cpu: 84.1709999999978ms)