| Base 10 | 521 (3 digits) | ||
| Digit Sum: 8 | Digital Root: 8 | sad | |
| Base 2 | 0b1000001001 (10 digits) | ||
| Digit Sum: 0b11 | Digital Root: 0b1 | always happy | |
| Base 8 | 01011 (4 digits) | ||
| Digit Sum: 03 | Digital Root: 03 | sad | |
| Base 16 | 0x209 (3 digits) | ||
| Digit Sum: 0xb | Digital Root: 0xb | sad | |
More about this number at Positiv Integers and Number Empire.
The number is a prime
It is a Twin prime for 523.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #000209 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 1.1) this number represents this character:ȉ LATIN SMALL LETTER I WITH DOUBLE GRAVE in Latin_Ext_B (Source: https://ucdapi.org/unicode/latest/codepoint/dec/521); HTML: ȉ
In the work of Johann Sebastian Bach BWV 521 is Gott, mein Herz dir Dank zusendet (Geistliches Lied)
The number appears at position 172 of the decimal digits of π surrounded by
8111745028410270193852110555964462294895493 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: 942.311ms; cpu: 92.4760000000013ms)