The Number

81198

Eighty-One Thousand One Hundred and Ninety-Eight

In Base 15 Quindecimal Is

190d315

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See Eighty-One Thousand One Hundred and Ninety-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81195
190d015
Eighty-One Thousand One Hundred and Ninety-Five in Base 15 Quindecimal
81196
190d115
Eighty-One Thousand One Hundred and Ninety-Six in Base 15 Quindecimal
81197
190d215
Eighty-One Thousand One Hundred and Ninety-Seven in Base 15 Quindecimal
81199
190d415
Eighty-One Thousand One Hundred and Ninety-Nine in Base 15 Quindecimal
81200
190d515
Eighty-One Thousand Two Hundred in Base 15 Quindecimal
81201
190d615
Eighty-One Thousand Two Hundred and One in Base 15 Quindecimal

Scientific Notation

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

8.1198e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000954370ab36e34615

The reciprocal of 81198 in Base 15 Quindecimal.

Palindrome?

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

The number 190d315 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand one hundred and ninety-eight is a composite number with 24 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand one 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 eighty-one thousand one hundred and ninety-eight has the following 4 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
347
18215
Three Hundred and Forty-Seven in Base 15 Quindecimal

Prime Factorization

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

2151 · 3152 · d151 · 182151 = 190d315

Base Conversions

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