518

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
37

Its 8 divisors are:
1
2
7
14
37
74
259
518
Its aliquote sum is:
394
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:Ȇ LATIN CAPITAL LETTER E WITH INVERTED BREVE in Latin_Ext_B (Source: https://ucdapi.org/unicode/latest/codepoint/dec/518); HTML: Ȇ

In the work of Johann Sebastian Bach BWV 518 is Willst du dein Herz mir schenken (Arie, "Aria di G[i]ovannini")

The number appears at position 470 of the decimal digits of π surrounded by
8074462379962749567351885752724891227938183 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: 1048.643ms; cpu: 92.1840000000005ms)