| Base 10 | 681 (3 digits) | ||
| Digit Sum: 15 | Digital Root: 6 | sad | |
| Base 2 | 0b1010101001 (10 digits) | ||
| Digit Sum: 0b101 | Digital Root: 0b1 | always happy | |
| Base 8 | 01251 (4 digits) | ||
| Digit Sum: 011 | Digital Root: 02 | sad | |
| Base 16 | 0x2a9 (3 digits) | ||
| Digit Sum: 0x15 | Digital Root: 0x6 | sad | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 2 (2 unique) factors are:
3
227
Its 4 divisors are:
1
3
227
681
Its aliquote sum is:
231
makeing it a
deficient
number.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #0002A9 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 3.0) this number represents this character:ʩ LATIN SMALL LETTER FENG DIGRAPH in IPA_Ext (Source: https://ucdapi.org/unicode/latest/codepoint/dec/681); HTML: ʩ
In the work of Johann Sebastian Bach BWV 681 is Fughetta super Wir gläuben all an einen Gott (manualiter)
The number appears at position 605 of the decimal digits of π surrounded by
4818467669405132000568127145263560827785771 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: 999.021ms; cpu: 125.916999999999ms)