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Numbers / 68

The Number 68

68 is composite: factorization 2^2 × 17. That gives 68 exactly 6 divisors: 1, 2, 4, 17, 34, 68. 68's proper divisors total just 58, 10 short of 68, the deficient case most of 68's neighbors share too. 68 has a digit sum of 14; for 68, the digital root works out to 5. 68: 2, 4 all divide 68 evenly, out of 2-12. 68 is 1000100 in binary and 44 in hex; as a Roman numeral it's LXVIII.

Factors
1, 2, 4, 17, 34, 68
Number of factors
6
Prime?
No
Prime factorization
2^2 x 17
Even or odd
Even
Square
4624
Cube
314432
Binary
1000100
Hexadecimal
44
Roman numeral
LXVIII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 68 in detail →Is 68 prime? →