| Base 10 | 405 (3 digits) | ||
| Digit Sum: 9 | Digital Root: 9 | sad | |
| Base 2 | 0b110010101 (9 digits) | ||
| Digit Sum: 0b101 | Digital Root: 0b1 | always happy | |
| Base 8 | 0625 (3 digits) | ||
| Digit Sum: 015 | Digital Root: 06 | sad | |
| Base 16 | 0x195 (3 digits) | ||
| Digit Sum: 0xf | Digital Root: 0xf | sad | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 5 (2 unique) factors are:
34 = 81
5
Its 10 divisors are:
1
3
5
9
15
27
45
81
135
405
Its aliquote sum is:
321
makeing it a
deficient
number.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #000195 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 1.1) this number represents this character:ƕ LATIN SMALL LETTER HV in Latin_Ext_B (Source: https://ucdapi.org/unicode/latest/codepoint/dec/405); HTML: ƕ
In the work of Johann Sebastian Bach BWV 405 is O wie selig seid ihr doch, ihr Frommen
The number appears at position 595 of the decimal digits of π surrounded by
7675238467481846766940513200056812714526356 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: 938.218ms; cpu: 91.6309999999996ms)