155

Properties by base:

Base 10155 (3 digits)
Digit Sum: 11
Digital Root: 2 sad
Base 20b10011011 (8 digits)
Digit Sum: 0b101
Digital Root: 0b1 always happy
Base 80233 (3 digits)
Digit Sum: 010
Digital Root: 01 sad
Base 160x9b (2 digits)
Digit Sum: 0x14
Digital Root: 0x5 sad

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 2 (2 unique) factors are:
5
31

Its 4 divisors are:
1
5
31
155
Its aliquote sum is:
37
makeing it a deficient number.

In HTML this number represents this color:  
#00009B
 

In the work of Johann Sebastian Bach BWV 155 is Mein Gott, wie lang, ach lange

The number appears at position 314 of the decimal digits of π surrounded by
9141273724587006606315588174881520920962829 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: 1094.518ms; cpu: 81.1ms)


math@heini.at