Base 10 | 129 (3 digits) | ||
Digit Sum: 12 | Digital Root: 3 | happy | |
Base 2 | 0b10000001 (8 digits) | ||
Digit Sum: 0b10 | Digital Root: 0b1 | always happy | |
Base 8 | 0201 (3 digits) | ||
Digit Sum: 03 | Digital Root: 03 | sad | |
Base 16 | 0x81 (2 digits) | ||
Digit Sum: 0x9 | Digital Root: 0x9 | happy |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 2 (2 unique) factors are:
3
43
Its 4 divisors are:
1
3
43
129
Its aliquote sum is:
47
makeing it a
deficient
number.
In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #000081 ⇩↓⇩↓⇩↓ |
In the work of Johann Sebastian Bach BWV 129 is Gelobet sei der Herr, mein Gott
The number appears at position 499 of the decimal digits of π surrounded by
2489122793818301194912983367336244065664308 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: 935.304ms; cpu: 95.5420000000018ms)