number.wiki
Number

98

98 is a composite number, even, a calendar year.

Deficient Number Year

Properties

Parity
Even
Digit count
2
Digit sum
17
Digital root
8
Palindrome
No
Divisor count
6
σ(n) — sum of divisors
171

Primality

Prime factorization: 2 × 7 2

Divisors & multiples

All divisors (6)
1 · 2 · 7 · 14 · 49 · 98
Aliquot sum (sum of proper divisors): 73
Factor pairs (a × b = 98)
1 × 98
2 × 49
7 × 14
First multiples
98 · 196 · 294 · 392 · 490 · 588 · 686 · 784 · 882 · 980

Representations

In words
ninety-eight
Ordinal
98th
Roman numeral
XCVIII
Binary
1100010
Octal
142
Hexadecimal
62

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 98, here are decompositions:

  • 19 + 79 = 98
  • 31 + 67 = 98
  • 37 + 61 = 98
ASCII character

As an ASCII codepoint, 98 is b. Printable ASCII character b.

Hex color
#000062
RGB(0, 0, 98)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.98.