The Number

221815

Two Hundred and Twenty-One Thousand Eight Hundred and Fifteen

In Base 22 Duovigesimal Is

ki6b22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221812
ki6822
Two Hundred and Twenty-One Thousand Eight Hundred and Twelve in Base 22 Duovigesimal
221813
ki6922
Two Hundred and Twenty-One Thousand Eight Hundred and Thirteen in Base 22 Duovigesimal
221814
ki6a22
Two Hundred and Twenty-One Thousand Eight Hundred and Fourteen in Base 22 Duovigesimal
221816
ki6c22
Two Hundred and Twenty-One Thousand Eight Hundred and Sixteen in Base 22 Duovigesimal
221817
ki6d22
Two Hundred and Twenty-One Thousand Eight Hundred and Seventeen in Base 22 Duovigesimal
221818
ki6e22
Two Hundred and Twenty-One Thousand Eight Hundred and Eightteen in Base 22 Duovigesimal

Scientific Notation

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

2.21815e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00011534h492li9522

The reciprocal of 221815 in Base 22 Duovigesimal.

Palindrome?

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

The number ki6b22 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 eight hundred and fifteen is a composite number with 16 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand eight hundred and fifteen 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 eight hundred and fifteen has the following 4 prime factors:

5
522
Five in Base 22 Duovigesimal
11
b22
Eleven in Base 22 Duovigesimal
37
1f22
Thirty-Seven in Base 22 Duovigesimal
109
4l22
One Hundred and Nine in Base 22 Duovigesimal

Prime Factorization

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

5221 · b221 · 1f221 · 4l221 = ki6b22

Base Conversions

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