| Base 10 | 157 (3 digits) | ||
| Digit Sum: 13 | Digital Root: 4 | sad | |
| Base 2 | 0b10011101 (8 digits) | ||
| Digit Sum: 0b101 | Digital Root: 0b1 | always happy | |
| Base 8 | 0235 (3 digits) | ||
| Digit Sum: 012 | Digital Root: 03 | sad | |
| Base 16 | 0x9d (2 digits) | ||
| Digit Sum: 0x16 | Digital Root: 0x7 | sad | |
More about this number at Positiv Integers and Number Empire.
The number is a prime
It is a Sexy prime for 151 and 163.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #00009D ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 1.1) this number represents this character: OPERATING SYSTEM COMMAND in Latin_1_Sup (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: 
In the work of Johann Sebastian Bach BWV 157 is Ich lasse dich nicht, du segnest mich denn
The number appears at position 1657 of the decimal digits of π surrounded by
4144197356854816136115735255213347574184946 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: 5710.228ms; cpu: 3701.08ms)