4001

Properties by base:

Base 104001 (4 digits)
Digit Sum: 5
Digital Root: 5 sad
Base 20b111110100001 (12 digits)
Digit Sum: 0b111
Digital Root: 0b1 always happy
Base 807641 (4 digits)
Digit Sum: 022
Digital Root: 04 sad
Base 160xfa1 (3 digits)
Digit Sum: 0x1a
Digital Root: 0xb happy

More about this number at Positiv Integers and Number Empire.

The number is a prime

It is a Twin prime for 4003.

It is a Sexy prime for 4007.

In HTML this number represents this color:  
#000FA1
 

As Unicode codepoint (since version 2.0) this number represents this character: TIBETAN SUBJOINED LETTER DA in Tibetan (Source: https://ucdapi.org/unicode/latest/codepoint/dec/4001); HTML: ྡ

The number appears at position 22056 of the decimal digits of π surrounded by
75587569464137056251400117971331662071537154 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: 798.411ms; cpu: 65.928ms)


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