the sum of (1001+1010)is=(10011)
nope but 13 is
10101
81100
Factors go into numbers, numbers go into multiples.Factors go into numbers, numbers go into multiples.
In Decimal: 10101 - 01110 = 8991 In Binary: 10101 - 01110 = 111 In C: 10101 - 01110 = 9517 = 022455 = 0x252d
the sum of (1001+1010)is=(10011)
The number 21 in binary is 10101
12321, 54345, 10101, 42124, 81718 etc....
01000101 01011 10101 110101 1010101 101110 11001 11010110 0010101 010101 010101 10101 10101 11101010 10000101 1001 0101011 101101010001 10101 101010 101010 110001001 1010 101 1001 0101001 1000101 101010 1010101 10101 010101 010101 1010010 101001 001010 10101001 10101 1010010 101001 10101 10101 11001
assuming 10101 is hexadecimal, EFEFE.
21
3 * 7 * 13 * 37= 10101
10101 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
The binary number 10101 represents 21.
10101
10101