| Base 10 | 161 (3 digits) | ||
| Digit Sum: 8 | Digital Root: 8 | sad | |
| Base 2 | 0b10100001 (8 digits) | ||
| Digit Sum: 0b11 | Digital Root: 0b1 | always happy | |
| Base 8 | 0241 (3 digits) | ||
| Digit Sum: 07 | Digital Root: 07 | sad | |
| Base 16 | 0xa1 (2 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:
7
23
Its 4 divisors are:
1
7
23
161
Its aliquote sum is:
31
makeing it a
deficient
number.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #0000A1 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 1.1) this number represents this character:¡ INVERTED EXCLAMATION MARK in Latin_1_Sup (Source: https://ucdapi.org/unicode/latest/codepoint/dec/161); HTML: ¡
In the work of Johann Sebastian Bach BWV 161 is Komm, du süße Todesstunde
The number appears at position 1610 of the decimal digits of π surrounded by
7772793800081647060016145249192173217214772 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: 975.79ms; cpu: 95.3990000000005ms)