2561

Properties by base:

Base 102561 (4 digits)
Digit Sum: 14
Digital Root: 5 sad
Base 20b101000000001 (12 digits)
Digit Sum: 0b11
Digital Root: 0b1 always happy
Base 805001 (4 digits)
Digit Sum: 06
Digital Root: 06 sad
Base 160xa01 (3 digits)
Digit Sum: 0xb
Digital Root: 0xb sad

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 2 (2 unique) factors are:
13
197

Its 4 divisors are:
1
13
197
2561
Its aliquote sum is:
211
makeing it a deficient number.

In HTML this number represents this color:  
#000A01
 

As Unicode codepoint (since version 4.0) this number represents this character: GURMUKHI SIGN ADAK BINDI in Gurmukhi (Source: https://ucdapi.org/unicode/latest/codepoint/dec/2561); HTML: ਁ

The number appears at position 9185 of the decimal digits of π surrounded by
61218656196733786236256125216320862869222103 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: 817.544ms; cpu: 83.5499999999998ms)


math@heini.at