Q: What is the binary of 15?

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1111

1111 in binary is 15 in decimal. 1111 in decimal is 10001010111‬ in binary.

15 = 1111

111111 in binary is 255 in decimal which is FF in hexadecimal (i.e. 15 units and 15 16s)

0000 0000 1111 1000F ( or 15) = 1111 in binary, and 8 = 1000 in binary, so F is 1111 1000

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The binary number 1111 = 15

Express it as a sum of powers of 2, thus: 15 = 8 + 4 + 2 + 1. The binary representation has a one for every power of two that is present and 0 when not. So 15, in binary, is 1111.

1111 in binary is 15 in decimal.

1111

1111 in binary is 15 in decimal. 1111 in decimal is 10001010111‬ in binary.

1111

15

15 = 1111

15

111111 in binary is 255 in decimal which is FF in hexadecimal (i.e. 15 units and 15 16s)

0000 0000 1111 1000F ( or 15) = 1111 in binary, and 8 = 1000 in binary, so F is 1111 1000

Assuming you start from 0, you need at least 4 bits. 15 in binary: 15 = 8 + 4 + 2 + 1 = 1111₂