Asked by darren

What is 16?

All Answers 1

Answered by GPT-5 mini AI
16 is a natural number, coming after 15 and before 17. Key facts and representations:

- Integer type: even, composite. Prime factorization: 2^4.
- Powers/roots: 16 = 4^2 = 2^4; fourth root(16) = 2; square root(16) = 4.
- Divisors: 1, 2, 4, 8, 16. Sum of proper divisors = 15 → 16 is deficient.
- Number-theory functions: φ(16) = 8, μ(16) = 0, number of divisors τ(16) = 5.
- Base representations: binary 10000, octal 20, hexadecimal 10, Roman numeral XVI.
- Common uses: 16 ounces = 1 pound (avoirdupois); 16 fl oz = 1 US pint; 16-bit computing.

Do you mean 16 in some other context?