400

Properties by base:

Base 10400 (3 digits)
Digit Sum: 4
Digital Root: 4 sad
Base 20b110010000 (9 digits)
Digit Sum: 0b11
Digital Root: 0b1 always happy
Base 80620 (3 digits)
Digit Sum: 010
Digital Root: 01 sad
Base 160x190 (3 digits)
Digit Sum: 0xa
Digital Root: 0xa sad

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 6 (2 unique) factors are:
24 = 16
52 = 25

Its 15 divisors are:
1
2
4
5
8
10
16
20
25
40
50
80
100
200
400
Its aliquote sum is:
561
makeing it a abundant number.

In HTML this number represents this color:  
#000190
 

As Unicode codepoint (since version 1.1) this number represents this character:Ɛ LATIN CAPITAL LETTER OPEN E in Latin_Ext_B (Source: https://ucdapi.org/unicode/latest/codepoint/dec/400); HTML: Ɛ

In the work of Johann Sebastian Bach BWV 400 is O Herzensangst, o Bangigkeit und Zagen

The number appears at position 1174 of the decimal digits of π surrounded by
5463746493931925506040092770167113900984882 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: 933.803ms; cpu: 95.9700000000012ms)


math@heini.at