266

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 3 (3 unique) factors are:
2
7
19

Its 8 divisors are:
1
2
7
14
19
38
133
266
Its aliquote sum is:
214
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:Ċ LATIN CAPITAL LETTER C WITH DOT ABOVE in Latin_Ext_A (Source: https://ucdapi.org/unicode/latest/codepoint/dec/266); HTML: Ċ

In the work of Johann Sebastian Bach BWV 266 is Als vierzig Tag nach Ostern warn

The number appears at position 275 of the decimal digits of π surrounded by
8566923460348610454326648213393607260249141 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: 970.92ms; cpu: 101.241000000002ms)