2155

Properties by base:

Base 102155 (4 digits)
Digit Sum: 13
Digital Root: 4 sad
Base 20b100001101011 (12 digits)
Digit Sum: 0b110
Digital Root: 0b1 always happy
Base 804153 (4 digits)
Digit Sum: 015
Digital Root: 06 sad
Base 160x86b (3 digits)
Digit Sum: 0x19
Digital Root: 0xa sad

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 2 (2 unique) factors are:
5
431

Its 4 divisors are:
1
5
431
2155
Its aliquote sum is:
437
makeing it a deficient number.

In HTML this number represents this color:  
#00086B
 

The number appears at position 19369 of the decimal digits of π surrounded by
44159184582156251819215523370960748332923492 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: 801.837ms; cpu: 83.094ms)


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