| Base 10 | 23 (2 digits) | ||
| Digit Sum: 5 | Digital Root: 5 | happy | |
| Base 2 | 0b10111 (5 digits) | ||
| Digit Sum: 0b100 | Digital Root: 0b1 | always happy | |
| Base 8 | 027 (2 digits) | ||
| Digit Sum: 011 | Digital Root: 02 | sad | |
| Base 16 | 0x17 (2 digits) | ||
| Digit Sum: 0x8 | Digital Root: 0x8 | sad | |
More about this number at Positiv Integers and Number Empire.
The number is a prime
It is a Sophie Germain Prime since 47 is prime
It is a Safe Prime since 11 is prime
It is a Cousin prime for 19.
It is a Sexy prime for 17 and 29.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #000017 ⇩↓⇩↓⇩↓ |
In the work of Johann Sebastian Bach BWV 23 is Du wahrer Gott und Davids Sohn [Köthener Fassung in c]
The number appears at position 16 of the decimal digits of π surrounded by
3.1415926535897932384626433832795028841 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: 883.093ms; cpu: 88.1180000000006ms)