| Base 10 | 640 (3 digits) | ||
| Digit Sum: 10 | Digital Root: 1 | sad | |
| Base 2 | 0b1010000000 (10 digits) | ||
| Digit Sum: 0b10 | Digital Root: 0b1 | always happy | |
| Base 8 | 01200 (4 digits) | ||
| Digit Sum: 03 | Digital Root: 03 | sad | |
| Base 16 | 0x280 (3 digits) | ||
| Digit Sum: 0xa | Digital Root: 0xa | happy | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 8 (2 unique) factors are:
27 = 128
5
Its 16 divisors are:
1
2
4
5
8
10
16
20
32
40
64
80
128
160
320
640
Its aliquote sum is:
890
makeing it a
abundant
number.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #000280 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 1.1) this number represents this character:ʀ LATIN LETTER SMALL CAPITAL R in IPA_Ext (Source: https://ucdapi.org/unicode/latest/codepoint/dec/640); HTML: ʀ
In the work of Johann Sebastian Bach BWV 640 is In dich hab ich gehoffet, Herr
The number appears at position 69 of the decimal digits of π surrounded by
1058209749445923078164062862089986280348253 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: 901.318ms; cpu: 91.8300000000016ms)