| Base 10 | 253 (3 digits) | ||
| Digit Sum: 10 | Digital Root: 1 | sad | |
| Base 2 | 0b11111101 (8 digits) | ||
| Digit Sum: 0b111 | Digital Root: 0b1 | always happy | |
| Base 8 | 0375 (3 digits) | ||
| Digit Sum: 017 | Digital Root: 01 | sad | |
| Base 16 | 0xfd (2 digits) | ||
| Digit Sum: 0x1c | Digital Root: 0xd | sad | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 2 (2 unique) factors are:
11
23
Its 4 divisors are:
1
11
23
253
Its aliquote sum is: 
35
makeing it a
deficient
number.
| In HTML this number represents this color: | 
 ⇧↑⇧↑⇧↑ #0000FD ⇩↓⇩↓⇩↓  | 
As Unicode codepoint (since version 1.1) this number represents this character:ý LATIN SMALL LETTER Y WITH ACUTE in Latin_1_Sup (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: ý
In the work of Johann Sebastian Bach BWV 253 is Ach bleib bei uns, Herr Jesu Christ
The number appears at position 89 of the decimal digits of π surrounded by
6406286208998628034825342117067982148086513 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: 1102.229ms; cpu: 80.4609999999997ms)