The Number

91998

Ninety-One Thousand Nine Hundred and Ninety-Eight

Nearby Numbers

Positive, nonzero integers within three units

91995
Ninety-One Thousand Nine Hundred and Ninety-Five
91996
Ninety-One Thousand Nine Hundred and Ninety-Six
91997
Ninety-One Thousand Nine Hundred and Ninety-Seven
91999
Ninety-One Thousand Nine Hundred and Ninety-Nine
92000
Ninety-Two Thousand
92001
Ninety-Two Thousand and One

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

9.1998e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000010869801517424292

The reciprocal of 91998.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 91998 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Ninety-one thousand nine hundred and ninety-eight is a composite number with 24 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Ninety-one thousand nine hundred and ninety-eight is a composite number with 24 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number ninety-one thousand nine hundred and ninety-eight has the following 4 prime factors:

2
Two
3
Three
19
Nineteen
269
Two Hundred and Sixty-Nine

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

21 · 32 · 191 · 2691 = 91998

Base Conversions

The number ninety-one thousand nine hundred and ninety-eight in 35 different bases