| Base 10 | 311 (3 digits) | ||
| Digit Sum: 5 | Digital Root: 5 | sad | |
| Base 2 | 0b100110111 (9 digits) | ||
| Digit Sum: 0b110 | Digital Root: 0b1 | always happy | |
| Base 8 | 0467 (3 digits) | ||
| Digit Sum: 021 | Digital Root: 03 | sad | |
| Base 16 | 0x137 (3 digits) | ||
| Digit Sum: 0xb | 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 313.
It is a Cousin prime for 307.
It is a Sexy prime for 317.
| In HTML this number represents this color: | 
 ⇧↑⇧↑⇧↑ #000137 ⇩↓⇩↓⇩↓  | 
As Unicode codepoint (since version 1.1) this number represents this character:ķ LATIN SMALL LETTER K WITH CEDILLA in Latin_Ext_A (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: ķ
In the work of Johann Sebastian Bach BWV 311 is Es woll uns Gott genädig sein
The number appears at position 845 of the decimal digits of π surrounded by
2308253344685035261931188171010003137838752 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: 680.122ms; cpu: 79.9380000000003ms)