Numbers / 98

The Number 98

98 is composite: factorization 2 × 7^2. That gives 98 exactly 6 divisors: 1, 2, 7, 14, 49, 98. 98's proper divisors total just 73, 25 short of 98, the deficient case most of 98's neighbors share too. 98 has a digit sum of 17; for 98, the digital root works out to 8. 98: 2, 7 all divide 98 evenly, out of 2-12. 98 is 1100010 in binary and 62 in hex; as a Roman numeral it's XCVIII.