| Base 10 | 2081 (4 digits) | ||
| Digit Sum: 11 | Digital Root: 2 | sad | |
| Base 2 | 0b100000100001 (12 digits) | ||
| Digit Sum: 0b11 | Digital Root: 0b1 | always happy | |
| Base 8 | 04041 (4 digits) | ||
| Digit Sum: 011 | Digital Root: 02 | sad | |
| Base 16 | 0x821 (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 2083.
It is a Sexy prime for 2087.
| In HTML this number represents this color: |
⇧↑⇧↑⇧↑ #000821 ⇩↓⇩↓⇩↓ |
As Unicode codepoint (since version 5.2) this number represents this character:ࠡ SAMARITAN VOWEL SIGN OVERLONG A in Samaritan (Source: https://ucdapi.org/unicode/latest/codepoint/dec/2081); HTML: ࠡ
The number appears at position 14769 of the decimal digits of π surrounded by
31763235673254170734208173322304629879928049 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: 903.324ms; cpu: 64.9509999999998ms)