| Base 10 | 689 (3 digits) | ||
| Digit Sum: 23 | Digital Root: 5 | sad | |
| Base 2 | 0b1010110001 (10 digits) | ||
| Digit Sum: 0b101 | Digital Root: 0b1 | always happy | |
| Base 8 | 01261 (4 digits) | ||
| Digit Sum: 012 | Digital Root: 03 | sad | |
| Base 16 | 0x2b1 (3 digits) | ||
| Digit Sum: 0xe | Digital Root: 0xe | sad | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 2 (2 unique) factors are:
13
53
Its 4 divisors are:
1
13
53
689
Its aliquote sum is:
67
makeing it a
deficient
number.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #0002B1 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 1.1) this number represents this character:ʱ MODIFIER LETTER SMALL H WITH HOOK in Modifier_Letters (Source: https://ucdapi.org/unicode/latest/codepoint/dec/689); HTML: ʱ
In the work of Johann Sebastian Bach BWV 689 is Fuga super Jesus Christus, unser Heiland, der von uns den Gotteszorn wand (à 4, manualiter)
The number appears at position 691 of the decimal digits of π surrounded by
4654958537105079227968925892354201995611212 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: 668.417ms; cpu: 113.249999999997ms)