21
The binary number 10101 represents 21.
10101
10101
100000002 = 27 = 128 in denary (or decimal).
10101
In Decimal: 10101 - 01110 = 8991 In Binary: 10101 - 01110 = 111 In C: 10101 - 01110 = 9517 = 022455 = 0x252d
21 = 10101
10101
10101
The number 21 in binary is 10101
The number 21 in binary is 10101
It is 01101010.