127

Properties by base:

Base 10127 (3 digits)
Digit Sum: 10
Digital Root: 1 sad
Base 20b1111111 (7 digits)
Digit Sum: 0b111
Digital Root: 0b1 always happy
Base 80177 (3 digits)
Digit Sum: 017
Digital Root: 01 sad
Base 160x7f (2 digits)
Digit Sum: 0x16
Digital Root: 0x7 happy

More about this number at Positiv Integers and Number Empire.

The number is a Mersenne Prime: 27 - 1
It is related to a perfect number: 8128

It is a Cousin prime for 131.

In HTML this number represents this color:  
#00007F
 

In the work of Johann Sebastian Bach BWV 127 is Herr Jesu Christ, wahr' Mensch und Gott

The number appears at position 297 of the decimal digits of π surrounded by
6482133936072602491412737245870066063155881 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: 907.413ms; cpu: 101.679000000001ms)


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