The Number

221998

Two Hundred and Twenty-One Thousand Nine Hundred and Ninety-Eight

In Base 15 Quindecimal Is

45b9d15

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

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

Nearby Numbers

Positive, nonzero integers within three units

221995
45b9a15
Two Hundred and Twenty-One Thousand Nine Hundred and Ninety-Five in Base 15 Quindecimal
221996
45b9b15
Two Hundred and Twenty-One Thousand Nine Hundred and Ninety-Six in Base 15 Quindecimal
221997
45b9c15
Two Hundred and Twenty-One Thousand Nine Hundred and Ninety-Seven in Base 15 Quindecimal
221999
45b9e15
Two Hundred and Twenty-One Thousand Nine Hundred and Ninety-Nine in Base 15 Quindecimal
222000
45ba015
Two Hundred and Twenty-Two Thousand in Base 15 Quindecimal
222001
45ba115
Two Hundred and Twenty-Two Thousand 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.

2.21998e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000036499ca3b85db715

The reciprocal of 221998 in Base 15 Quindecimal.

Palindrome?

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

The number 45b9d15 is not a palindrome.

Not A Prime Number

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

Two hundred and twenty-one thousand nine hundred and ninety-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand nine hundred and ninety-eight is a composite number with 16 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 two hundred and twenty-one thousand nine hundred and ninety-eight has the following 4 prime factors:

2
215
Two in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
101
6b15
One Hundred and One in Base 15 Quindecimal
157
a715
One Hundred and Fifty-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 · 7151 · 6b151 · a7151 = 45b9d15

Base Conversions

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